diff --git a/clang/include/clang/Basic/BuiltinsAMDGPU.def b/clang/include/clang/Basic/BuiltinsAMDGPU.def
@@ -240,7 +240,7 @@ TARGET_BUILTIN(__builtin_amdgcn_flat_atomic_fadd_v2bf16, "V2sV2s*0V2s", "t", "at
 TARGET_BUILTIN(__builtin_amdgcn_global_atomic_fadd_v2bf16, "V2sV2s*1V2s", "t", "atomic-global-pk-add-bf16-inst")
 TARGET_BUILTIN(__builtin_amdgcn_ds_atomic_fadd_v2bf16, "V2sV2s*3V2s", "t", "atomic-ds-pk-add-16-insts")
 TARGET_BUILTIN(__builtin_amdgcn_ds_atomic_fadd_v2f16, "V2hV2h*3V2h", "t", "atomic-ds-pk-add-16-insts")
-TARGET_BUILTIN(__builtin_amdgcn_global_load_lds, "vv*1v*3UiiUi", "t", "gfx940-insts")
+TARGET_BUILTIN(__builtin_amdgcn_global_load_lds, "vv*1v*3IUiIiIUi", "t", "gfx940-insts")
 
 //===----------------------------------------------------------------------===//
 // Deep learning builtins.

diff --git a/clang/include/clang/Basic/Cuda.h b/clang/include/clang/Basic/Cuda.h
@@ -124,6 +124,7 @@ enum class CudaArch {
   GFX1103,
   GFX1150,
   GFX1151,
+  GFX1152,
   GFX12_GENERIC,
   GFX1200,
   GFX1201,

diff --git a/clang/include/clang/Basic/DiagnosticOptions.h b/clang/include/clang/Basic/DiagnosticOptions.h
@@ -124,7 +124,7 @@ class DiagnosticOptions : public RefCountedBase<DiagnosticOptions>{
   /// default).
   std::vector<std::string> VerifyPrefixes;
 
-  /// The list of -Wsystem-header-in-module=... options used to override
+  /// The list of -Wsystem-headers-in-module=... options used to override
   /// whether -Wsystem-headers is enabled on a per-module basis.
   std::vector<std::string> SystemHeaderWarningsModules;
 

diff --git a/clang/include/clang/Basic/DiagnosticSemaKinds.td b/clang/include/clang/Basic/DiagnosticSemaKinds.td
@@ -10082,6 +10082,12 @@ def warn_new_dangling_initializer_list : Warning<
   "the allocated initializer list}0 "
   "will be destroyed at the end of the full-expression">,
   InGroup<DanglingInitializerList>;
+def warn_unsupported_lifetime_extension : Warning<
+  "lifetime extension of "
+  "%select{temporary|backing array of initializer list}0 created "
+  "by aggregate initialization using a default member initializer "
+  "is not yet supported; lifetime of %select{temporary|backing array}0 "
+  "will end at the end of the full-expression">, InGroup<Dangling>;
 
 // For non-floating point, expressions of the form x == x or x != x
 // should result in a warning, since these always evaluate to a constant.

diff --git a/clang/include/clang/Basic/TokenKinds.def b/clang/include/clang/Basic/TokenKinds.def
@@ -542,6 +542,8 @@ TYPE_TRAIT_2(__reference_converts_from_temporary, ReferenceConvertsFromTemporary
 // is not exposed to users.
 TYPE_TRAIT_2(/*EmptySpellingName*/, IsDeducible, KEYCXX)
 
+TYPE_TRAIT_1(__is_bitwise_cloneable, IsBitwiseCloneable, KEYALL)
+
 // Embarcadero Expression Traits
 EXPRESSION_TRAIT(__is_lvalue_expr, IsLValueExpr, KEYCXX)
 EXPRESSION_TRAIT(__is_rvalue_expr, IsRValueExpr, KEYCXX)

diff --git a/clang/include/clang/Basic/riscv_vector.td b/clang/include/clang/Basic/riscv_vector.td
@@ -2637,7 +2637,8 @@ let UnMaskedPolicyScheme = HasPassthruOperand in {
     defm vbrev   : RVVOutBuiltinSetZvbb;
     defm vclz    : RVVOutBuiltinSetZvbb;
     defm vctz    : RVVOutBuiltinSetZvbb;
-    defm vcpopv  : RVVOutBuiltinSetZvbb;
+    let IRName = "vcpopv", MaskedIRName = "vcpopv_mask" in
+    defm vcpop   : RVVOutBuiltinSetZvbb;
     let OverloadedName = "vwsll" in
     defm vwsll   : RVVSignedWidenBinBuiltinSetVwsll;
   }

diff --git a/clang/lib/AST/CMakeLists.txt b/clang/lib/AST/CMakeLists.txt
@@ -87,6 +87,7 @@ add_clang_library(clangAST
   Interp/Record.cpp
   Interp/Source.cpp
   Interp/State.cpp
+  Interp/MemberPointer.cpp
   Interp/InterpShared.cpp
   ItaniumCXXABI.cpp
   ItaniumMangle.cpp

diff --git a/clang/lib/AST/Interp/ByteCodeExprGen.cpp b/clang/lib/AST/Interp/ByteCodeExprGen.cpp
@@ -100,6 +100,35 @@ bool ByteCodeExprGen<Emitter>::VisitCastExpr(const CastExpr *CE) {
     return this->emitMemcpy(CE);
   }
 
+  case CK_DerivedToBaseMemberPointer: {
+    assert(classifyPrim(CE->getType()) == PT_MemberPtr);
+    assert(classifyPrim(SubExpr->getType()) == PT_MemberPtr);
+    const auto *FromMP = SubExpr->getType()->getAs<MemberPointerType>();
+    const auto *ToMP = CE->getType()->getAs<MemberPointerType>();
+
+    unsigned DerivedOffset = collectBaseOffset(QualType(ToMP->getClass(), 0),
+                                               QualType(FromMP->getClass(), 0));
+
+    if (!this->visit(SubExpr))
+      return false;
+
+    return this->emitGetMemberPtrBasePop(DerivedOffset, CE);
+  }
+
+  case CK_BaseToDerivedMemberPointer: {
+    assert(classifyPrim(CE) == PT_MemberPtr);
+    assert(classifyPrim(SubExpr) == PT_MemberPtr);
+    const auto *FromMP = SubExpr->getType()->getAs<MemberPointerType>();
+    const auto *ToMP = CE->getType()->getAs<MemberPointerType>();
+
+    unsigned DerivedOffset = collectBaseOffset(QualType(FromMP->getClass(), 0),
+                                               QualType(ToMP->getClass(), 0));
+
+    if (!this->visit(SubExpr))
+      return false;
+    return this->emitGetMemberPtrBasePop(-DerivedOffset, CE);
+  }
+
   case CK_UncheckedDerivedToBase:
   case CK_DerivedToBase: {
     if (!this->visit(SubExpr))
@@ -187,7 +216,8 @@ bool ByteCodeExprGen<Emitter>::VisitCastExpr(const CastExpr *CE) {
     return this->emitCastFloatingIntegral(*ToT, CE);
   }
 
-  case CK_NullToPointer: {
+  case CK_NullToPointer:
+  case CK_NullToMemberPointer: {
     if (DiscardResult)
       return true;
 
@@ -326,7 +356,8 @@ bool ByteCodeExprGen<Emitter>::VisitCastExpr(const CastExpr *CE) {
     return this->emitCast(*FromT, *ToT, CE);
   }
 
-  case CK_PointerToBoolean: {
+  case CK_PointerToBoolean:
+  case CK_MemberPointerToBoolean: {
     PrimType PtrT = classifyPrim(SubExpr->getType());
 
     // Just emit p != nullptr for this.
@@ -534,8 +565,23 @@ bool ByteCodeExprGen<Emitter>::VisitBinaryOperator(const BinaryOperator *BO) {
       BO->isComparisonOp())
     return this->emitComplexComparison(LHS, RHS, BO);
 
-  if (BO->isPtrMemOp())
-    return this->visit(RHS);
+  if (BO->isPtrMemOp()) {
+    if (!this->visit(LHS))
+      return false;
+
+    if (!this->visit(RHS))
+      return false;
+
+    if (!this->emitToMemberPtr(BO))
+      return false;
+
+    if (classifyPrim(BO) == PT_MemberPtr)
+      return true;
+
+    if (!this->emitCastMemberPtrPtr(BO))
+      return false;
+    return DiscardResult ? this->emitPopPtr(BO) : true;
+  }
 
   // Typecheck the args.
   std::optional<PrimType> LT = classify(LHS->getType());
@@ -2773,6 +2819,8 @@ bool ByteCodeExprGen<Emitter>::visitZeroInitializer(PrimType T, QualType QT,
     return this->emitNullPtr(nullptr, E);
   case PT_FnPtr:
     return this->emitNullFnPtr(nullptr, E);
+  case PT_MemberPtr:
+    return this->emitNullMemberPtr(nullptr, E);
   case PT_Float: {
     return this->emitConstFloat(APFloat::getZero(Ctx.getFloatSemantics(QT)), E);
   }
@@ -2875,6 +2923,7 @@ bool ByteCodeExprGen<Emitter>::emitConst(T Value, PrimType Ty, const Expr *E) {
     return this->emitConstBool(Value, E);
   case PT_Ptr:
   case PT_FnPtr:
+  case PT_MemberPtr:
   case PT_Float:
   case PT_IntAP:
   case PT_IntAPS:
@@ -3188,7 +3237,7 @@ bool ByteCodeExprGen<Emitter>::visitAPValueInitializer(const APValue &Val,
       const APValue &F = Val.getStructField(I);
       const Record::Field *RF = R->getField(I);
 
-      if (F.isInt()) {
+      if (F.isInt() || F.isLValue()) {
         PrimType T = classifyPrim(RF->Decl->getType());
         if (!this->visitAPValue(F, T, E))
           return false;
@@ -3308,10 +3357,27 @@ bool ByteCodeExprGen<Emitter>::VisitCallExpr(const CallExpr *E) {
     }
   }
 
+  std::optional<unsigned> CalleeOffset;
   // Add the (optional, implicit) This pointer.
   if (const auto *MC = dyn_cast<CXXMemberCallExpr>(E)) {
-    if (!this->visit(MC->getImplicitObjectArgument()))
+    if (!FuncDecl && classifyPrim(E->getCallee()) == PT_MemberPtr) {
+      // If we end up creating a CallPtr op for this, we need the base of the
+      // member pointer as the instance pointer, and later extract the function
+      // decl as the function pointer.
+      const Expr *Callee = E->getCallee();
+      CalleeOffset =
+          this->allocateLocalPrimitive(Callee, PT_MemberPtr, true, false);
+      if (!this->visit(Callee))
+        return false;
+      if (!this->emitSetLocal(PT_MemberPtr, *CalleeOffset, E))
+        return false;
+      if (!this->emitGetLocal(PT_MemberPtr, *CalleeOffset, E))
+        return false;
+      if (!this->emitGetMemberPtrBase(E))
+        return false;
+    } else if (!this->visit(MC->getImplicitObjectArgument())) {
       return false;
+    }
   }
 
   llvm::BitVector NonNullArgs = collectNonNullArgs(FuncDecl, Args);
@@ -3380,11 +3446,22 @@ bool ByteCodeExprGen<Emitter>::VisitCallExpr(const CallExpr *E) {
     for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
       ArgSize += align(primSize(classify(E->getArg(I)).value_or(PT_Ptr)));
 
-    if (!this->visit(E->getCallee()))
-      return false;
+    // Get the callee, either from a member pointer saved in CalleeOffset,
+    // or by just visiting the Callee expr.
+    if (CalleeOffset) {
+      if (!this->emitGetLocal(PT_MemberPtr, *CalleeOffset, E))
+        return false;
+      if (!this->emitGetMemberPtrDecl(E))
+        return false;
+      if (!this->emitCallPtr(ArgSize, E, E))
+        return false;
+    } else {
+      if (!this->visit(E->getCallee()))
+        return false;
 
-    if (!this->emitCallPtr(ArgSize, E, E))
-      return false;
+      if (!this->emitCallPtr(ArgSize, E, E))
+        return false;
+    }
   }
 
   // Cleanup for discarded return values.
@@ -3623,6 +3700,11 @@ bool ByteCodeExprGen<Emitter>::VisitUnaryOperator(const UnaryOperator *E) {
       return false;
     return DiscardResult ? this->emitPop(*T, E) : true;
   case UO_AddrOf: // &x
+    if (E->getType()->isMemberPointerType()) {
+      // C++11 [expr.unary.op]p3 has very strict rules on how the address of a
+      // member can be formed.
+      return this->emitGetMemberPtr(cast<DeclRefExpr>(SubExpr)->getDecl(), E);
+    }
     // We should already have a pointer when we get here.
     return this->delegate(SubExpr);
   case UO_Deref:  // *x

diff --git a/clang/lib/AST/Interp/Context.cpp b/clang/lib/AST/Interp/Context.cpp
@@ -163,8 +163,12 @@ std::optional<PrimType> Context::classify(QualType T) const {
   if (T->isFloatingType())
     return PT_Float;
 
+  if (T->isSpecificBuiltinType(BuiltinType::BoundMember) ||
+      T->isMemberPointerType())
+    return PT_MemberPtr;
+
   if (T->isFunctionPointerType() || T->isFunctionReferenceType() ||
-      T->isFunctionType() || T->isSpecificBuiltinType(BuiltinType::BoundMember))
+      T->isFunctionType())
     return PT_FnPtr;
 
   if (T->isReferenceType() || T->isPointerType() ||
@@ -177,9 +181,6 @@ std::optional<PrimType> Context::classify(QualType T) const {
   if (const auto *DT = dyn_cast<DecltypeType>(T))
     return classify(DT->getUnderlyingType());
 
-  if (const auto *DT = dyn_cast<MemberPointerType>(T))
-    return classify(DT->getPointeeType());
-
   return std::nullopt;
 }
 
@@ -292,10 +293,12 @@ unsigned Context::collectBaseOffset(const RecordDecl *BaseDecl,
     }
     if (CurDecl == FinalDecl)
       break;
-
-    // break;
   }
 
   assert(OffsetSum > 0);
   return OffsetSum;
 }
+
+const Record *Context::getRecord(const RecordDecl *D) const {
+  return P->getOrCreateRecord(D);
+}
diff --git a/clang/lib/AST/Interp/Context.h b/clang/lib/AST/Interp/Context.h
@@ -107,6 +107,8 @@ class Context final {
   unsigned collectBaseOffset(const RecordDecl *BaseDecl,
                              const RecordDecl *DerivedDecl) const;
 
+  const Record *getRecord(const RecordDecl *D) const;
+
 private:
   /// Runs a function.
   bool Run(State &Parent, const Function *Func, APValue &Result);

diff --git a/clang/lib/AST/Interp/Descriptor.cpp b/clang/lib/AST/Interp/Descriptor.cpp
@@ -11,6 +11,7 @@
 #include "Floating.h"
 #include "FunctionPointer.h"
 #include "IntegralAP.h"
+#include "MemberPointer.h"
 #include "Pointer.h"
 #include "PrimType.h"
 #include "Record.h"

diff --git a/clang/lib/AST/Interp/Disasm.cpp b/clang/lib/AST/Interp/Disasm.cpp
@@ -19,6 +19,7 @@
 #include "Integral.h"
 #include "IntegralAP.h"
 #include "InterpFrame.h"
+#include "MemberPointer.h"
 #include "Opcode.h"
 #include "PrimType.h"
 #include "Program.h"
@@ -122,6 +123,8 @@ static const char *primTypeToString(PrimType T) {
     return "Ptr";
   case PT_FnPtr:
     return "FnPtr";
+  case PT_MemberPtr:
+    return "MemberPtr";
   }
   llvm_unreachable("Unhandled PrimType");
 }

diff --git a/clang/lib/AST/Interp/Function.cpp b/clang/lib/AST/Interp/Function.cpp
@@ -40,7 +40,8 @@ SourceInfo Function::getSource(CodePtr PC) const {
   unsigned Offset = PC - getCodeBegin();
   using Elem = std::pair<unsigned, SourceInfo>;
   auto It = llvm::lower_bound(SrcMap, Elem{Offset, {}}, llvm::less_first());
-  assert(It != SrcMap.end());
+  if (It == SrcMap.end())
+    return SrcMap.back().second;
   return It->second;
 }
 

diff --git a/clang/lib/AST/Interp/Interp.cpp b/clang/lib/AST/Interp/Interp.cpp
@@ -373,6 +373,26 @@ bool CheckSubobject(InterpState &S, CodePtr OpPC, const Pointer &Ptr,
   return false;
 }
 
+bool CheckDowncast(InterpState &S, CodePtr OpPC, const Pointer &Ptr,
+                   uint32_t Offset) {
+  uint32_t MinOffset = Ptr.getDeclDesc()->getMetadataSize();
+  uint32_t PtrOffset = Ptr.getByteOffset();
+
+  // We subtract Offset from PtrOffset. The result must be at least
+  // MinOffset.
+  if (Offset < PtrOffset && (PtrOffset - Offset) >= MinOffset)
+    return true;
+
+  const auto *E = cast<CastExpr>(S.Current->getExpr(OpPC));
+  QualType TargetQT = E->getType()->getPointeeType();
+  QualType MostDerivedQT = Ptr.getDeclPtr().getType();
+
+  S.CCEDiag(E, diag::note_constexpr_invalid_downcast)
+      << MostDerivedQT << TargetQT;
+
+  return false;
+}
+
 bool CheckConst(InterpState &S, CodePtr OpPC, const Pointer &Ptr) {
   assert(Ptr.isLive() && "Pointer is not live");
   if (!Ptr.isConst())
@@ -493,10 +513,12 @@ bool CheckStore(InterpState &S, CodePtr OpPC, const Pointer &Ptr) {
 bool CheckInvoke(InterpState &S, CodePtr OpPC, const Pointer &Ptr) {
   if (!CheckLive(S, OpPC, Ptr, AK_MemberCall))
     return false;
-  if (!CheckExtern(S, OpPC, Ptr))
-    return false;
-  if (!CheckRange(S, OpPC, Ptr, AK_MemberCall))
-    return false;
+  if (!Ptr.isDummy()) {
+    if (!CheckExtern(S, OpPC, Ptr))
+      return false;
+    if (!CheckRange(S, OpPC, Ptr, AK_MemberCall))
+      return false;
+  }
   return true;
 }
 
@@ -516,7 +538,7 @@ bool CheckCallable(InterpState &S, CodePtr OpPC, const Function *F) {
     return false;
   }
 
-  if (!F->isConstexpr()) {
+  if (!F->isConstexpr() || !F->hasBody()) {
     const SourceLocation &Loc = S.Current->getLocation(OpPC);
     if (S.getLangOpts().CPlusPlus11) {
       const FunctionDecl *DiagDecl = F->getDecl();
@@ -550,9 +572,10 @@ bool CheckCallable(InterpState &S, CodePtr OpPC, const Function *F) {
             S.checkingPotentialConstantExpression())
           return false;
 
-        // If the declaration is defined _and_ declared 'constexpr', the below
-        // diagnostic doesn't add anything useful.
-        if (DiagDecl->isDefined() && DiagDecl->isConstexpr())
+        // If the declaration is defined, declared 'constexpr' _and_ has a body,
+        // the below diagnostic doesn't add anything useful.
+        if (DiagDecl->isDefined() && DiagDecl->isConstexpr() &&
+            DiagDecl->hasBody())
           return false;
 
         S.FFDiag(Loc, diag::note_constexpr_invalid_function, 1)

diff --git a/clang/lib/AST/Interp/Interp.h b/clang/lib/AST/Interp/Interp.h
@@ -20,6 +20,7 @@
 #include "InterpFrame.h"
 #include "InterpStack.h"
 #include "InterpState.h"
+#include "MemberPointer.h"
 #include "Opcode.h"
 #include "PrimType.h"
 #include "Program.h"
@@ -75,6 +76,11 @@ bool CheckRange(InterpState &S, CodePtr OpPC, const Pointer &Ptr,
 bool CheckSubobject(InterpState &S, CodePtr OpPC, const Pointer &Ptr,
                     CheckSubobjectKind CSK);
 
+/// Checks if the dowcast using the given offset is possible with the given
+/// pointer.
+bool CheckDowncast(InterpState &S, CodePtr OpPC, const Pointer &Ptr,
+                   uint32_t Offset);
+
 /// Checks if a pointer points to const storage.
 bool CheckConst(InterpState &S, CodePtr OpPC, const Pointer &Ptr);
 
@@ -725,6 +731,9 @@ using CompareFn = llvm::function_ref<bool(ComparisonCategoryResult)>;
 
 template <typename T>
 bool CmpHelper(InterpState &S, CodePtr OpPC, CompareFn Fn) {
+  assert((!std::is_same_v<T, MemberPointer>) &&
+         "Non-equality comparisons on member pointer types should already be "
+         "rejected in Sema.");
   using BoolT = PrimConv<PT_Bool>::T;
   const T &RHS = S.Stk.pop<T>();
   const T &LHS = S.Stk.pop<T>();
@@ -834,6 +843,47 @@ inline bool CmpHelperEQ<Pointer>(InterpState &S, CodePtr OpPC, CompareFn Fn) {
   }
 }
 
+template <>
+inline bool CmpHelperEQ<MemberPointer>(InterpState &S, CodePtr OpPC,
+                                       CompareFn Fn) {
+  const auto &RHS = S.Stk.pop<MemberPointer>();
+  const auto &LHS = S.Stk.pop<MemberPointer>();
+
+  // If either operand is a pointer to a weak function, the comparison is not
+  // constant.
+  for (const auto &MP : {LHS, RHS}) {
+    if (const CXXMethodDecl *MD = MP.getMemberFunction(); MD && MD->isWeak()) {
+      const SourceInfo &Loc = S.Current->getSource(OpPC);
+      S.FFDiag(Loc, diag::note_constexpr_mem_pointer_weak_comparison) << MD;
+      return false;
+    }
+  }
+
+  // C++11 [expr.eq]p2:
+  //   If both operands are null, they compare equal. Otherwise if only one is
+  //   null, they compare unequal.
+  if (LHS.isZero() && RHS.isZero()) {
+    S.Stk.push<Boolean>(Fn(ComparisonCategoryResult::Equal));
+    return true;
+  }
+  if (LHS.isZero() || RHS.isZero()) {
+    S.Stk.push<Boolean>(Fn(ComparisonCategoryResult::Unordered));
+    return true;
+  }
+
+  // We cannot compare against virtual declarations at compile time.
+  for (const auto &MP : {LHS, RHS}) {
+    if (const CXXMethodDecl *MD = MP.getMemberFunction();
+        MD && MD->isVirtual()) {
+      const SourceInfo &Loc = S.Current->getSource(OpPC);
+      S.CCEDiag(Loc, diag::note_constexpr_compare_virtual_mem_ptr) << MD;
+    }
+  }
+
+  S.Stk.push<Boolean>(Boolean::from(Fn(LHS.compare(RHS))));
+  return true;
+}
+
 template <PrimType Name, class T = typename PrimConv<Name>::T>
 bool EQ(InterpState &S, CodePtr OpPC) {
   return CmpHelperEQ<T>(S, OpPC, [](ComparisonCategoryResult R) {
@@ -1300,6 +1350,9 @@ inline bool GetPtrDerivedPop(InterpState &S, CodePtr OpPC, uint32_t Off) {
     return false;
   if (!CheckSubobject(S, OpPC, Ptr, CSK_Derived))
     return false;
+  if (!CheckDowncast(S, OpPC, Ptr, Off))
+    return false;
+
   S.Stk.push<Pointer>(Ptr.atFieldSub(Off));
   return true;
 }
@@ -1324,6 +1377,12 @@ inline bool GetPtrBasePop(InterpState &S, CodePtr OpPC, uint32_t Off) {
   return true;
 }
 
+inline bool GetMemberPtrBasePop(InterpState &S, CodePtr OpPC, int32_t Off) {
+  const auto &Ptr = S.Stk.pop<MemberPointer>();
+  S.Stk.push<MemberPointer>(Ptr.atInstanceBase(Off));
+  return true;
+}
+
 inline bool GetPtrThisBase(InterpState &S, CodePtr OpPC, uint32_t Off) {
   if (S.checkingPotentialConstantExpression())
     return false;
@@ -1532,6 +1591,24 @@ inline bool Memcpy(InterpState &S, CodePtr OpPC) {
   return DoMemcpy(S, OpPC, Src, Dest);
 }
 
+inline bool ToMemberPtr(InterpState &S, CodePtr OpPC) {
+  const auto &Member = S.Stk.pop<MemberPointer>();
+  const auto &Base = S.Stk.pop<Pointer>();
+
+  S.Stk.push<MemberPointer>(Member.takeInstance(Base));
+  return true;
+}
+
+inline bool CastMemberPtrPtr(InterpState &S, CodePtr OpPC) {
+  const auto &MP = S.Stk.pop<MemberPointer>();
+
+  if (std::optional<Pointer> Ptr = MP.toPointer(S.Ctx)) {
+    S.Stk.push<Pointer>(*Ptr);
+    return true;
+  }
+  return false;
+}
+
 //===----------------------------------------------------------------------===//
 // AddOffset, SubOffset
 //===----------------------------------------------------------------------===//
@@ -1696,8 +1773,10 @@ inline bool SubPtr(InterpState &S, CodePtr OpPC) {
     return true;
   }
 
-  T A = T::from(LHS.getIndex());
-  T B = T::from(RHS.getIndex());
+  T A = LHS.isElementPastEnd() ? T::from(LHS.getNumElems())
+                               : T::from(LHS.getIndex());
+  T B = RHS.isElementPastEnd() ? T::from(RHS.getNumElems())
+                               : T::from(RHS.getIndex());
   return AddSubMulHelper<T, T::sub, std::minus>(S, OpPC, A.bitWidth(), A, B);
 }
 
@@ -2115,7 +2194,7 @@ inline bool ArrayDecay(InterpState &S, CodePtr OpPC) {
   if (!CheckRange(S, OpPC, Ptr, CSK_ArrayToPointer))
     return false;
 
-  if (!Ptr.isUnknownSizeArray() || Ptr.isDummy()) {
+  if (Ptr.isRoot() || !Ptr.isUnknownSizeArray() || Ptr.isDummy()) {
     S.Stk.push<Pointer>(Ptr.atIndex(0));
     return true;
   }
@@ -2329,6 +2408,28 @@ inline bool GetIntPtr(InterpState &S, CodePtr OpPC, const Descriptor *Desc) {
   return true;
 }
 
+inline bool GetMemberPtr(InterpState &S, CodePtr OpPC, const Decl *D) {
+  S.Stk.push<MemberPointer>(D);
+  return true;
+}
+
+inline bool GetMemberPtrBase(InterpState &S, CodePtr OpPC) {
+  const auto &MP = S.Stk.pop<MemberPointer>();
+
+  S.Stk.push<Pointer>(MP.getBase());
+  return true;
+}
+
+inline bool GetMemberPtrDecl(InterpState &S, CodePtr OpPC) {
+  const auto &MP = S.Stk.pop<MemberPointer>();
+
+  const auto *FD = cast<FunctionDecl>(MP.getDecl());
+  const auto *Func = S.getContext().getOrCreateFunction(FD);
+
+  S.Stk.push<FunctionPointer>(Func);
+  return true;
+}
+
 /// Just emit a diagnostic. The expression that caused emission of this
 /// op is not valid in a constant context.
 inline bool Invalid(InterpState &S, CodePtr OpPC) {

diff --git a/clang/lib/AST/Interp/InterpFrame.cpp b/clang/lib/AST/Interp/InterpFrame.cpp
@@ -12,6 +12,7 @@
 #include "Function.h"
 #include "InterpStack.h"
 #include "InterpState.h"
+#include "MemberPointer.h"
 #include "Pointer.h"
 #include "PrimType.h"
 #include "Program.h"

diff --git a/clang/lib/AST/Interp/InterpStack.cpp b/clang/lib/AST/Interp/InterpStack.cpp
@@ -10,6 +10,7 @@
 #include "Boolean.h"
 #include "Floating.h"
 #include "Integral.h"
+#include "MemberPointer.h"
 #include "Pointer.h"
 #include <cassert>
 #include <cstdlib>

diff --git a/clang/lib/AST/Interp/InterpStack.h b/clang/lib/AST/Interp/InterpStack.h
@@ -15,6 +15,7 @@
 
 #include "FunctionPointer.h"
 #include "IntegralAP.h"
+#include "MemberPointer.h"
 #include "PrimType.h"
 #include <memory>
 #include <vector>
@@ -188,6 +189,8 @@ class InterpStack final {
       return PT_IntAP;
     else if constexpr (std::is_same_v<T, IntegralAP<false>>)
       return PT_IntAP;
+    else if constexpr (std::is_same_v<T, MemberPointer>)
+      return PT_MemberPtr;
 
     llvm_unreachable("unknown type push()'ed into InterpStack");
   }

diff --git a/clang/lib/AST/Interp/MemberPointer.cpp b/clang/lib/AST/Interp/MemberPointer.cpp
@@ -0,0 +1,76 @@
+//===------------------------- MemberPointer.cpp ----------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "MemberPointer.h"
+#include "Context.h"
+#include "FunctionPointer.h"
+#include "Program.h"
+#include "Record.h"
+
+namespace clang {
+namespace interp {
+
+std::optional<Pointer> MemberPointer::toPointer(const Context &Ctx) const {
+  if (!Dcl || isa<FunctionDecl>(Dcl))
+    return Base;
+  const FieldDecl *FD = cast<FieldDecl>(Dcl);
+  assert(FD);
+
+  if (!Base.isBlockPointer())
+    return std::nullopt;
+
+  Pointer CastedBase =
+      (PtrOffset < 0 ? Base.atField(-PtrOffset) : Base.atFieldSub(PtrOffset));
+
+  const Record *BaseRecord = CastedBase.getRecord();
+  if (!BaseRecord)
+    return std::nullopt;
+
+  assert(BaseRecord);
+  if (FD->getParent() == BaseRecord->getDecl())
+    return CastedBase.atField(BaseRecord->getField(FD)->Offset);
+
+  const RecordDecl *FieldParent = FD->getParent();
+  const Record *FieldRecord = Ctx.getRecord(FieldParent);
+
+  unsigned Offset = 0;
+  Offset += FieldRecord->getField(FD)->Offset;
+  Offset += CastedBase.block()->getDescriptor()->getMetadataSize();
+
+  if (Offset > CastedBase.block()->getSize())
+    return std::nullopt;
+
+  if (const RecordDecl *BaseDecl = Base.getDeclPtr().getRecord()->getDecl();
+      BaseDecl != FieldParent)
+    Offset += Ctx.collectBaseOffset(FieldParent, BaseDecl);
+
+  if (Offset > CastedBase.block()->getSize())
+    return std::nullopt;
+
+  assert(Offset <= CastedBase.block()->getSize());
+  return Pointer(const_cast<Block *>(Base.block()), Offset, Offset);
+}
+
+FunctionPointer MemberPointer::toFunctionPointer(const Context &Ctx) const {
+  return FunctionPointer(Ctx.getProgram().getFunction(cast<FunctionDecl>(Dcl)));
+}
+
+APValue MemberPointer::toAPValue() const {
+  if (isZero())
+    return APValue(static_cast<ValueDecl *>(nullptr), /*IsDerivedMember=*/false,
+                   /*Path=*/{});
+
+  if (hasBase())
+    return Base.toAPValue();
+
+  return APValue(cast<ValueDecl>(getDecl()), /*IsDerivedMember=*/false,
+                 /*Path=*/{});
+}
+
+} // namespace interp
+} // namespace clang
diff --git a/clang/lib/AST/Interp/MemberPointer.h b/clang/lib/AST/Interp/MemberPointer.h
@@ -0,0 +1,112 @@
+//===------------------------- MemberPointer.h ------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_AST_INTERP_MEMBER_POINTER_H
+#define LLVM_CLANG_AST_INTERP_MEMBER_POINTER_H
+
+#include "Pointer.h"
+#include <optional>
+
+namespace clang {
+class ASTContext;
+namespace interp {
+
+class Context;
+class FunctionPointer;
+
+class MemberPointer final {
+private:
+  Pointer Base;
+  const Decl *Dcl = nullptr;
+  int32_t PtrOffset = 0;
+
+  MemberPointer(Pointer Base, const Decl *Dcl, int32_t PtrOffset)
+      : Base(Base), Dcl(Dcl), PtrOffset(PtrOffset) {}
+
+public:
+  MemberPointer() = default;
+  MemberPointer(Pointer Base, const Decl *Dcl) : Base(Base), Dcl(Dcl) {}
+  MemberPointer(uint32_t Address, const Descriptor *D) {
+    // We only reach this for Address == 0, when creating a null member pointer.
+    assert(Address == 0);
+  }
+
+  MemberPointer(const Decl *D) : Dcl(D) {
+    assert((isa<FieldDecl, IndirectFieldDecl, CXXMethodDecl>(D)));
+  }
+
+  uint64_t getIntegerRepresentation() const {
+    assert(
+        false &&
+        "getIntegerRepresentation() shouldn't be reachable for MemberPointers");
+    return 17;
+  }
+
+  std::optional<Pointer> toPointer(const Context &Ctx) const;
+
+  FunctionPointer toFunctionPointer(const Context &Ctx) const;
+
+  Pointer getBase() const {
+    if (PtrOffset < 0)
+      return Base.atField(-PtrOffset);
+    return Base.atFieldSub(PtrOffset);
+  }
+  bool isMemberFunctionPointer() const {
+    return isa_and_nonnull<CXXMethodDecl>(Dcl);
+  }
+  const CXXMethodDecl *getMemberFunction() const {
+    return dyn_cast_if_present<CXXMethodDecl>(Dcl);
+  }
+  const FieldDecl *getField() const {
+    return dyn_cast_if_present<FieldDecl>(Dcl);
+  }
+
+  bool hasDecl() const { return Dcl; }
+  const Decl *getDecl() const { return Dcl; }
+
+  MemberPointer atInstanceBase(unsigned Offset) const {
+    if (Base.isZero())
+      return MemberPointer(Base, Dcl, Offset);
+    return MemberPointer(this->Base, Dcl, Offset + PtrOffset);
+  }
+
+  MemberPointer takeInstance(Pointer Instance) const {
+    assert(this->Base.isZero());
+    return MemberPointer(Instance, this->Dcl, this->PtrOffset);
+  }
+
+  APValue toAPValue() const;
+
+  bool isZero() const { return Base.isZero() && !Dcl; }
+  bool hasBase() const { return !Base.isZero(); }
+
+  void print(llvm::raw_ostream &OS) const {
+    OS << "MemberPtr(" << Base << " " << (void *)Dcl << " + " << PtrOffset
+       << ")";
+  }
+
+  std::string toDiagnosticString(const ASTContext &Ctx) const {
+    return "FIXME";
+  }
+
+  ComparisonCategoryResult compare(const MemberPointer &RHS) const {
+    if (this->Dcl == RHS.Dcl)
+      return ComparisonCategoryResult::Equal;
+    return ComparisonCategoryResult::Unordered;
+  }
+};
+
+inline llvm::raw_ostream &operator<<(llvm::raw_ostream &OS, MemberPointer FP) {
+  FP.print(OS);
+  return OS;
+}
+
+} // namespace interp
+} // namespace clang
+
+#endif
diff --git a/clang/lib/AST/Interp/Opcodes.td b/clang/lib/AST/Interp/Opcodes.td
@@ -30,6 +30,7 @@ def IntAPS : Type;
 def Float : Type;
 def Ptr : Type;
 def FnPtr : Type;
+def MemberPtr : Type;
 
 //===----------------------------------------------------------------------===//
 // Types transferred to the interpreter.
@@ -61,6 +62,7 @@ def ArgOffsetOfExpr : ArgType { let Name = "const OffsetOfExpr *"; }
 def ArgDeclRef : ArgType { let Name = "const DeclRefExpr *"; }
 def ArgDesc : ArgType { let Name = "const Descriptor *"; }
 def ArgCCI : ArgType { let Name = "const ComparisonCategoryInfo *"; }
+def ArgDecl : ArgType { let Name = "const Decl*"; }
 
 //===----------------------------------------------------------------------===//
 // Classes of types instructions operate on.
@@ -93,7 +95,7 @@ def AluTypeClass : TypeClass {
 }
 
 def PtrTypeClass : TypeClass {
-  let Types = [Ptr, FnPtr];
+  let Types = [Ptr, FnPtr, MemberPtr];
 }
 
 def BoolTypeClass : TypeClass {
@@ -208,7 +210,6 @@ def CallBI : Opcode {
 
 def CallPtr : Opcode {
   let Args = [ArgUint32, ArgCallExpr];
-  let Types = [];
 }
 
 def CallVar : Opcode {
@@ -327,6 +328,11 @@ def GetPtrBasePop : Opcode {
   // Offset of field, which is a base.
   let Args = [ArgUint32];
 }
+def GetMemberPtrBasePop : Opcode {
+  // Offset of field, which is a base.
+  let Args = [ArgSint32];
+}
+
 
 def FinishInitPop : Opcode;
 def FinishInit    : Opcode;
@@ -751,6 +757,14 @@ def CheckNonNullArg : Opcode {
 
 def Memcpy : Opcode;
 
+def ToMemberPtr : Opcode;
+def CastMemberPtrPtr : Opcode;
+def GetMemberPtr : Opcode {
+  let Args = [ArgDecl];
+}
+def GetMemberPtrBase : Opcode;
+def GetMemberPtrDecl : Opcode;
+
 //===----------------------------------------------------------------------===//
 // Debugging.
 //===----------------------------------------------------------------------===//

diff --git a/clang/lib/AST/Interp/Pointer.cpp b/clang/lib/AST/Interp/Pointer.cpp
@@ -13,6 +13,7 @@
 #include "Function.h"
 #include "Integral.h"
 #include "InterpBlock.h"
+#include "MemberPointer.h"
 #include "PrimType.h"
 #include "Record.h"
 

diff --git a/clang/lib/AST/Interp/Pointer.h b/clang/lib/AST/Interp/Pointer.h
@@ -620,6 +620,7 @@ class Pointer {
 private:
   friend class Block;
   friend class DeadBlock;
+  friend class MemberPointer;
   friend struct InitMap;
 
   Pointer(Block *Pointee, unsigned Base, uint64_t Offset);

diff --git a/clang/lib/AST/Interp/PrimType.cpp b/clang/lib/AST/Interp/PrimType.cpp
@@ -11,6 +11,7 @@
 #include "Floating.h"
 #include "FunctionPointer.h"
 #include "IntegralAP.h"
+#include "MemberPointer.h"
 #include "Pointer.h"
 
 using namespace clang;

diff --git a/clang/lib/AST/Interp/PrimType.h b/clang/lib/AST/Interp/PrimType.h
@@ -25,6 +25,7 @@ class Pointer;
 class Boolean;
 class Floating;
 class FunctionPointer;
+class MemberPointer;
 template <bool Signed> class IntegralAP;
 template <unsigned Bits, bool Signed> class Integral;
 
@@ -44,10 +45,11 @@ enum PrimType : unsigned {
   PT_Float = 11,
   PT_Ptr = 12,
   PT_FnPtr = 13,
+  PT_MemberPtr = 14,
 };
 
 inline constexpr bool isPtrType(PrimType T) {
-  return T == PT_Ptr || T == PT_FnPtr;
+  return T == PT_Ptr || T == PT_FnPtr || T == PT_MemberPtr;
 }
 
 enum class CastKind : uint8_t {
@@ -91,6 +93,9 @@ template <> struct PrimConv<PT_Ptr> { using T = Pointer; };
 template <> struct PrimConv<PT_FnPtr> {
   using T = FunctionPointer;
 };
+template <> struct PrimConv<PT_MemberPtr> {
+  using T = MemberPointer;
+};
 
 /// Returns the size of a primitive type in bytes.
 size_t primSize(PrimType Type);
@@ -131,6 +136,7 @@ static inline bool aligned(const void *P) {
       TYPE_SWITCH_CASE(PT_Bool, B)                                             \
       TYPE_SWITCH_CASE(PT_Ptr, B)                                              \
       TYPE_SWITCH_CASE(PT_FnPtr, B)                                            \
+      TYPE_SWITCH_CASE(PT_MemberPtr, B)                                        \
     }                                                                          \
   } while (0)
 

diff --git a/clang/lib/AST/ParentMap.cpp b/clang/lib/AST/ParentMap.cpp
@@ -97,22 +97,6 @@ static void BuildParentMap(MapTy& M, Stmt* S,
       BuildParentMap(M, SubStmt, OVMode);
     }
     break;
-  case Stmt::CXXDefaultArgExprClass:
-    if (auto *Arg = dyn_cast<CXXDefaultArgExpr>(S)) {
-      if (Arg->hasRewrittenInit()) {
-        M[Arg->getExpr()] = S;
-        BuildParentMap(M, Arg->getExpr(), OVMode);
-      }
-    }
-    break;
-  case Stmt::CXXDefaultInitExprClass:
-    if (auto *Init = dyn_cast<CXXDefaultInitExpr>(S)) {
-      if (Init->hasRewrittenInit()) {
-        M[Init->getExpr()] = S;
-        BuildParentMap(M, Init->getExpr(), OVMode);
-      }
-    }
-    break;
   default:
     for (Stmt *SubStmt : S->children()) {
       if (SubStmt) {

diff --git a/clang/lib/AST/TextNodeDumper.cpp b/clang/lib/AST/TextNodeDumper.cpp
@@ -958,6 +958,9 @@ void TextNodeDumper::dumpTemplateArgument(const TemplateArgument &TA) {
   }
   OS << " '" << Str << "'";
 
+  if (!Context)
+    return;
+
   if (TemplateArgument CanonTA = Context->getCanonicalTemplateArgument(TA);
       !CanonTA.structurallyEquals(TA)) {
     llvm::SmallString<128> CanonStr;
@@ -1139,15 +1142,17 @@ void TextNodeDumper::dumpTemplateName(TemplateName TN, StringRef Label) {
       }
       OS << " '" << Str << "'";
 
-      if (TemplateName CanonTN = Context->getCanonicalTemplateName(TN);
-          CanonTN != TN) {
-        llvm::SmallString<128> CanonStr;
-        {
-          llvm::raw_svector_ostream SS(CanonStr);
-          CanonTN.print(SS, PrintPolicy);
+      if (Context) {
+        if (TemplateName CanonTN = Context->getCanonicalTemplateName(TN);
+            CanonTN != TN) {
+          llvm::SmallString<128> CanonStr;
+          {
+            llvm::raw_svector_ostream SS(CanonStr);
+            CanonTN.print(SS, PrintPolicy);
+          }
+          if (CanonStr != Str)
+            OS << ":'" << CanonStr << "'";
         }
-        if (CanonStr != Str)
-          OS << ":'" << CanonStr << "'";
       }
     }
     dumpBareTemplateName(TN);

diff --git a/clang/lib/AST/Type.cpp b/clang/lib/AST/Type.cpp
@@ -2749,6 +2749,43 @@ bool QualType::isTriviallyCopyableType(const ASTContext &Context) const {
                                      /*IsCopyConstructible=*/false);
 }
 
+// FIXME: each call will trigger a full computation, cache the result.
+bool QualType::isBitwiseCloneableType(const ASTContext &Context) const {
+  auto CanonicalType = getCanonicalType();
+  if (CanonicalType.hasNonTrivialObjCLifetime())
+    return false;
+  if (CanonicalType->isArrayType())
+    return Context.getBaseElementType(CanonicalType)
+        .isBitwiseCloneableType(Context);
+
+  if (CanonicalType->isIncompleteType())
+    return false;
+  const auto *RD = CanonicalType->getAsRecordDecl(); // struct/union/class
+  if (!RD)
+    return true;
+
+  // Never allow memcpy when we're adding poisoned padding bits to the struct.
+  // Accessing these posioned bits will trigger false alarms on
+  // SanitizeAddressFieldPadding etc.
+  if (RD->mayInsertExtraPadding())
+    return false;
+
+  for (auto *const Field : RD->fields()) {
+    if (!Field->getType().isBitwiseCloneableType(Context))
+      return false;
+  }
+
+  if (const auto *CXXRD = dyn_cast<CXXRecordDecl>(RD)) {
+    for (auto Base : CXXRD->bases())
+      if (!Base.getType().isBitwiseCloneableType(Context))
+        return false;
+    for (auto VBase : CXXRD->vbases())
+      if (!VBase.getType().isBitwiseCloneableType(Context))
+        return false;
+  }
+  return true;
+}
+
 bool QualType::isTriviallyCopyConstructibleType(
     const ASTContext &Context) const {
   return isTriviallyCopyableTypeImpl(*this, Context,
@@ -4444,7 +4481,6 @@ static CachedProperties computeCachedProperties(const Type *T) {
 #define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class,Base) case Type::Class:
 #include "clang/AST/TypeNodes.inc"
     // Treat instantiation-dependent types as external.
-    if (!T->isInstantiationDependentType()) T->dump();
     assert(T->isInstantiationDependentType());
     return CachedProperties(Linkage::External, false);
 

diff --git a/clang/lib/Analysis/CFG.cpp b/clang/lib/Analysis/CFG.cpp
@@ -556,10 +556,6 @@ class CFGBuilder {
 
 private:
   // Visitors to walk an AST and construct the CFG.
-  CFGBlock *VisitCXXDefaultArgExpr(CXXDefaultArgExpr *Default,
-                                   AddStmtChoice asc);
-  CFGBlock *VisitCXXDefaultInitExpr(CXXDefaultInitExpr *Default,
-                                    AddStmtChoice asc);
   CFGBlock *VisitInitListExpr(InitListExpr *ILE, AddStmtChoice asc);
   CFGBlock *VisitAddrLabelExpr(AddrLabelExpr *A, AddStmtChoice asc);
   CFGBlock *VisitAttributedStmt(AttributedStmt *A, AddStmtChoice asc);
@@ -2258,10 +2254,16 @@ CFGBlock *CFGBuilder::Visit(Stmt * S, AddStmtChoice asc,
                                    asc, ExternallyDestructed);
 
     case Stmt::CXXDefaultArgExprClass:
-      return VisitCXXDefaultArgExpr(cast<CXXDefaultArgExpr>(S), asc);
-
     case Stmt::CXXDefaultInitExprClass:
-      return VisitCXXDefaultInitExpr(cast<CXXDefaultInitExpr>(S), asc);
+      // FIXME: The expression inside a CXXDefaultArgExpr is owned by the
+      // called function's declaration, not by the caller. If we simply add
+      // this expression to the CFG, we could end up with the same Expr
+      // appearing multiple times (PR13385).
+      //
+      // It's likewise possible for multiple CXXDefaultInitExprs for the same
+      // expression to be used in the same function (through aggregate
+      // initialization).
+      return VisitStmt(S, asc);
 
     case Stmt::CXXBindTemporaryExprClass:
       return VisitCXXBindTemporaryExpr(cast<CXXBindTemporaryExpr>(S), asc);
@@ -2431,40 +2433,6 @@ CFGBlock *CFGBuilder::VisitChildren(Stmt *S) {
   return B;
 }
 
-CFGBlock *CFGBuilder::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *Arg,
-                                             AddStmtChoice asc) {
-  if (Arg->hasRewrittenInit()) {
-    if (asc.alwaysAdd(*this, Arg)) {
-      autoCreateBlock();
-      appendStmt(Block, Arg);
-    }
-    return VisitStmt(Arg->getExpr(), asc);
-  }
-
-  // We can't add the default argument if it's not rewritten because the
-  // expression inside a CXXDefaultArgExpr is owned by the called function's
-  // declaration, not by the caller, we could end up with the same expression
-  // appearing multiple times.
-  return VisitStmt(Arg, asc);
-}
-
-CFGBlock *CFGBuilder::VisitCXXDefaultInitExpr(CXXDefaultInitExpr *Init,
-                                              AddStmtChoice asc) {
-  if (Init->hasRewrittenInit()) {
-    if (asc.alwaysAdd(*this, Init)) {
-      autoCreateBlock();
-      appendStmt(Block, Init);
-    }
-    return VisitStmt(Init->getExpr(), asc);
-  }
-
-  // We can't add the default initializer if it's not rewritten because multiple
-  // CXXDefaultInitExprs for the same sub-expression to be used in the same
-  // function (through aggregate initialization). we could end up with the same
-  // expression appearing multiple times.
-  return VisitStmt(Init, asc);
-}
-
 CFGBlock *CFGBuilder::VisitInitListExpr(InitListExpr *ILE, AddStmtChoice asc) {
   if (asc.alwaysAdd(*this, ILE)) {
     autoCreateBlock();

diff --git a/clang/lib/Basic/Cuda.cpp b/clang/lib/Basic/Cuda.cpp
@@ -144,6 +144,7 @@ static const CudaArchToStringMap arch_names[] = {
     GFX(1103), // gfx1103
     GFX(1150), // gfx1150
     GFX(1151), // gfx1151
+    GFX(1152), // gfx1152
     {CudaArch::GFX12_GENERIC, "gfx12-generic", "compute_amdgcn"},
     GFX(1200), // gfx1200
     GFX(1201), // gfx1201

diff --git a/clang/lib/Basic/Targets/LoongArch.h b/clang/lib/Basic/Targets/LoongArch.h
@@ -133,7 +133,7 @@ class LLVM_LIBRARY_VISIBILITY LoongArch64TargetInfo
     LongWidth = LongAlign = PointerWidth = PointerAlign = 64;
     IntMaxType = Int64Type = SignedLong;
     HasUnalignedAccess = true;
-    resetDataLayout("e-m:e-p:64:64-i64:64-i128:128-n64-S128");
+    resetDataLayout("e-m:e-p:64:64-i64:64-i128:128-n32:64-S128");
     // TODO: select appropriate ABI.
     setABI("lp64d");
   }

diff --git a/clang/lib/Basic/Targets/NVPTX.cpp b/clang/lib/Basic/Targets/NVPTX.cpp
@@ -228,6 +228,7 @@ void NVPTXTargetInfo::getTargetDefines(const LangOptions &Opts,
       case CudaArch::GFX1103:
       case CudaArch::GFX1150:
       case CudaArch::GFX1151:
+      case CudaArch::GFX1152:
       case CudaArch::GFX12_GENERIC:
       case CudaArch::GFX1200:
       case CudaArch::GFX1201:

diff --git a/clang/lib/CodeGen/CGOpenMPRuntimeGPU.cpp b/clang/lib/CodeGen/CGOpenMPRuntimeGPU.cpp
@@ -3537,6 +3537,7 @@ void CGOpenMPRuntimeGPU::processRequiresDirective(
       case CudaArch::GFX1103:
       case CudaArch::GFX1150:
       case CudaArch::GFX1151:
+      case CudaArch::GFX1152:
       case CudaArch::GFX12_GENERIC:
       case CudaArch::GFX1200:
       case CudaArch::GFX1201:

diff --git a/clang/lib/CodeGen/Targets/AMDGPU.cpp b/clang/lib/CodeGen/Targets/AMDGPU.cpp
@@ -120,7 +120,11 @@ void AMDGPUABIInfo::computeInfo(CGFunctionInfo &FI) const {
 
 Address AMDGPUABIInfo::EmitVAArg(CodeGenFunction &CGF, Address VAListAddr,
                                  QualType Ty) const {
-  llvm_unreachable("AMDGPU does not support varargs");
+  const bool IsIndirect = false;
+  const bool AllowHigherAlign = false;
+  return emitVoidPtrVAArg(CGF, VAListAddr, Ty, IsIndirect,
+                          getContext().getTypeInfoInChars(Ty),
+                          CharUnits::fromQuantity(4), AllowHigherAlign);
 }
 
 ABIArgInfo AMDGPUABIInfo::classifyReturnType(QualType RetTy) const {

diff --git a/clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp b/clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp
@@ -31,7 +31,6 @@
 using namespace clang;
 using namespace clang::extractapi;
 using namespace llvm;
-using namespace llvm::json;
 
 namespace {
 
@@ -1036,9 +1035,9 @@ void SymbolGraphSerializer::serializeGraphToStream(
     ExtendedModule &&EM) {
   Object Root = serializeGraph(ModuleName, std::move(EM));
   if (Options.Compact)
-    OS << formatv("{0}", Value(std::move(Root))) << "\n";
+    OS << formatv("{0}", json::Value(std::move(Root))) << "\n";
   else
-    OS << formatv("{0:2}", Value(std::move(Root))) << "\n";
+    OS << formatv("{0:2}", json::Value(std::move(Root))) << "\n";
 }
 
 void SymbolGraphSerializer::serializeMainSymbolGraph(

diff --git a/clang/lib/Format/ContinuationIndenter.cpp b/clang/lib/Format/ContinuationIndenter.cpp
@@ -1712,7 +1712,7 @@ void ContinuationIndenter::moveStatePastFakeLParens(LineState &State,
         (!Previous || Previous->isNot(tok::kw_return) ||
          (Style.Language != FormatStyle::LK_Java && PrecedenceLevel > 0)) &&
         (Style.AlignAfterOpenBracket != FormatStyle::BAS_DontAlign ||
-         PrecedenceLevel != prec::Comma || Current.NestingLevel == 0) &&
+         PrecedenceLevel > prec::Comma || Current.NestingLevel == 0) &&
         (!Style.isTableGen() ||
          (Previous && Previous->isOneOf(TT_TableGenDAGArgListComma,
                                         TT_TableGenDAGArgListCommaToBreak)))) {

diff --git a/clang/lib/Interpreter/Interpreter.cpp b/clang/lib/Interpreter/Interpreter.cpp
@@ -42,6 +42,9 @@
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/TargetParser/Host.h"
+
+#include <cstdarg>
+
 using namespace clang;
 
 // FIXME: Figure out how to unify with namespace init_convenience from
@@ -270,14 +273,10 @@ Interpreter::~Interpreter() {
 // can't find the precise resource directory in unittests so we have to hard
 // code them.
 const char *const Runtimes = R"(
+    #define __CLANG_REPL__ 1
 #ifdef __cplusplus
+    #define EXTERN_C extern "C"
     void *__clang_Interpreter_SetValueWithAlloc(void*, void*, void*);
-    void __clang_Interpreter_SetValueNoAlloc(void*, void*, void*);
-    void __clang_Interpreter_SetValueNoAlloc(void*, void*, void*, void*);
-    void __clang_Interpreter_SetValueNoAlloc(void*, void*, void*, float);
-    void __clang_Interpreter_SetValueNoAlloc(void*, void*, void*, double);
-    void __clang_Interpreter_SetValueNoAlloc(void*, void*, void*, long double);
-    void __clang_Interpreter_SetValueNoAlloc(void*,void*,void*,unsigned long long);
     struct __clang_Interpreter_NewTag{} __ci_newtag;
     void* operator new(__SIZE_TYPE__, void* __p, __clang_Interpreter_NewTag) noexcept;
     template <class T, class = T (*)() /*disable for arrays*/>
@@ -289,7 +288,11 @@ const char *const Runtimes = R"(
     void __clang_Interpreter_SetValueCopyArr(const T (*Src)[N], void* Placement, unsigned long Size) {
       __clang_Interpreter_SetValueCopyArr(Src[0], Placement, Size);
     }
+#else
+    #define EXTERN_C extern
 #endif // __cplusplus
+
+  EXTERN_C void __clang_Interpreter_SetValueNoAlloc(void *This, void *OutVal, void *OpaqueType, ...);
 )";
 
 llvm::Expected<std::unique_ptr<Interpreter>>
@@ -588,15 +591,17 @@ std::unique_ptr<RuntimeInterfaceBuilder> Interpreter::FindRuntimeInterface() {
   if (!LookupInterface(ValuePrintingInfo[NoAlloc],
                        MagicRuntimeInterface[NoAlloc]))
     return nullptr;
-  if (!LookupInterface(ValuePrintingInfo[WithAlloc],
-                       MagicRuntimeInterface[WithAlloc]))
-    return nullptr;
-  if (!LookupInterface(ValuePrintingInfo[CopyArray],
-                       MagicRuntimeInterface[CopyArray]))
-    return nullptr;
-  if (!LookupInterface(ValuePrintingInfo[NewTag],
-                       MagicRuntimeInterface[NewTag]))
-    return nullptr;
+  if (Ctx.getLangOpts().CPlusPlus) {
+    if (!LookupInterface(ValuePrintingInfo[WithAlloc],
+                         MagicRuntimeInterface[WithAlloc]))
+      return nullptr;
+    if (!LookupInterface(ValuePrintingInfo[CopyArray],
+                         MagicRuntimeInterface[CopyArray]))
+      return nullptr;
+    if (!LookupInterface(ValuePrintingInfo[NewTag],
+                         MagicRuntimeInterface[NewTag]))
+      return nullptr;
+  }
 
   return createInProcessRuntimeInterfaceBuilder(*this, Ctx, S);
 }
@@ -855,69 +860,81 @@ __clang_Interpreter_SetValueWithAlloc(void *This, void *OutVal,
   return VRef.getPtr();
 }
 
-// Pointers, lvalue struct that can take as a reference.
-REPL_EXTERNAL_VISIBILITY void
-__clang_Interpreter_SetValueNoAlloc(void *This, void *OutVal, void *OpaqueType,
-                                    void *Val) {
+extern "C" void REPL_EXTERNAL_VISIBILITY __clang_Interpreter_SetValueNoAlloc(
+    void *This, void *OutVal, void *OpaqueType, ...) {
   Value &VRef = *(Value *)OutVal;
-  VRef = Value(static_cast<Interpreter *>(This), OpaqueType);
-  VRef.setPtr(Val);
-}
+  Interpreter *I = static_cast<Interpreter *>(This);
+  VRef = Value(I, OpaqueType);
+  if (VRef.isVoid())
+    return;
 
-REPL_EXTERNAL_VISIBILITY void
-__clang_Interpreter_SetValueNoAlloc(void *This, void *OutVal,
-                                    void *OpaqueType) {
-  Value &VRef = *(Value *)OutVal;
-  VRef = Value(static_cast<Interpreter *>(This), OpaqueType);
-}
+  va_list args;
+  va_start(args, /*last named param*/ OpaqueType);
 
-static void SetValueDataBasedOnQualType(Value &V, unsigned long long Data) {
-  QualType QT = V.getType();
-  if (const auto *ET = QT->getAs<EnumType>())
-    QT = ET->getDecl()->getIntegerType();
-
-  switch (QT->castAs<BuiltinType>()->getKind()) {
-  default:
-    llvm_unreachable("unknown type kind!");
-#define X(type, name)                                                          \
-  case BuiltinType::name:                                                      \
-    V.set##name(Data);                                                         \
-    break;
-    REPL_BUILTIN_TYPES
-#undef X
+  QualType QT = VRef.getType();
+  if (VRef.getKind() == Value::K_PtrOrObj) {
+    VRef.setPtr(va_arg(args, void *));
+  } else {
+    if (const auto *ET = QT->getAs<EnumType>())
+      QT = ET->getDecl()->getIntegerType();
+    switch (QT->castAs<BuiltinType>()->getKind()) {
+    default:
+      llvm_unreachable("unknown type kind!");
+      break;
+      // Types shorter than int are resolved as int, else va_arg has UB.
+    case BuiltinType::Bool:
+      VRef.setBool(va_arg(args, int));
+      break;
+    case BuiltinType::Char_S:
+      VRef.setChar_S(va_arg(args, int));
+      break;
+    case BuiltinType::SChar:
+      VRef.setSChar(va_arg(args, int));
+      break;
+    case BuiltinType::Char_U:
+      VRef.setChar_U(va_arg(args, unsigned));
+      break;
+    case BuiltinType::UChar:
+      VRef.setUChar(va_arg(args, unsigned));
+      break;
+    case BuiltinType::Short:
+      VRef.setShort(va_arg(args, int));
+      break;
+    case BuiltinType::UShort:
+      VRef.setUShort(va_arg(args, unsigned));
+      break;
+    case BuiltinType::Int:
+      VRef.setInt(va_arg(args, int));
+      break;
+    case BuiltinType::UInt:
+      VRef.setUInt(va_arg(args, unsigned));
+      break;
+    case BuiltinType::Long:
+      VRef.setLong(va_arg(args, long));
+      break;
+    case BuiltinType::ULong:
+      VRef.setULong(va_arg(args, unsigned long));
+      break;
+    case BuiltinType::LongLong:
+      VRef.setLongLong(va_arg(args, long long));
+      break;
+    case BuiltinType::ULongLong:
+      VRef.setULongLong(va_arg(args, unsigned long long));
+      break;
+      // Types shorter than double are resolved as double, else va_arg has UB.
+    case BuiltinType::Float:
+      VRef.setFloat(va_arg(args, double));
+      break;
+    case BuiltinType::Double:
+      VRef.setDouble(va_arg(args, double));
+      break;
+    case BuiltinType::LongDouble:
+      VRef.setLongDouble(va_arg(args, long double));
+      break;
+      // See REPL_BUILTIN_TYPES.
+    }
   }
-}
-
-REPL_EXTERNAL_VISIBILITY void
-__clang_Interpreter_SetValueNoAlloc(void *This, void *OutVal, void *OpaqueType,
-                                    unsigned long long Val) {
-  Value &VRef = *(Value *)OutVal;
-  VRef = Value(static_cast<Interpreter *>(This), OpaqueType);
-  SetValueDataBasedOnQualType(VRef, Val);
-}
-
-REPL_EXTERNAL_VISIBILITY void
-__clang_Interpreter_SetValueNoAlloc(void *This, void *OutVal, void *OpaqueType,
-                                    float Val) {
-  Value &VRef = *(Value *)OutVal;
-  VRef = Value(static_cast<Interpreter *>(This), OpaqueType);
-  VRef.setFloat(Val);
-}
-
-REPL_EXTERNAL_VISIBILITY void
-__clang_Interpreter_SetValueNoAlloc(void *This, void *OutVal, void *OpaqueType,
-                                    double Val) {
-  Value &VRef = *(Value *)OutVal;
-  VRef = Value(static_cast<Interpreter *>(This), OpaqueType);
-  VRef.setDouble(Val);
-}
-
-REPL_EXTERNAL_VISIBILITY void
-__clang_Interpreter_SetValueNoAlloc(void *This, void *OutVal, void *OpaqueType,
-                                    long double Val) {
-  Value &VRef = *(Value *)OutVal;
-  VRef = Value(static_cast<Interpreter *>(This), OpaqueType);
-  VRef.setLongDouble(Val);
+  va_end(args);
 }
 
 // A trampoline to work around the fact that operator placement new cannot

diff --git a/clang/lib/Parse/ParseStmt.cpp b/clang/lib/Parse/ParseStmt.cpp
@@ -571,11 +571,8 @@ StmtResult Parser::ParseExprStatement(ParsedStmtContext StmtCtx) {
   }
 
   Token *CurTok = nullptr;
-  // If the semicolon is missing at the end of REPL input, consider if
-  // we want to do value printing. Note this is only enabled in C++ mode
-  // since part of the implementation requires C++ language features.
   // Note we shouldn't eat the token since the callback needs it.
-  if (Tok.is(tok::annot_repl_input_end) && Actions.getLangOpts().CPlusPlus)
+  if (Tok.is(tok::annot_repl_input_end))
     CurTok = &Tok;
   else
     // Otherwise, eat the semicolon.

diff --git a/clang/lib/Sema/Scope.cpp b/clang/lib/Sema/Scope.cpp
@@ -228,7 +228,11 @@ void Scope::dumpImpl(raw_ostream &OS) const {
       {CompoundStmtScope, "CompoundStmtScope"},
       {ClassInheritanceScope, "ClassInheritanceScope"},
       {CatchScope, "CatchScope"},
+      {ConditionVarScope, "ConditionVarScope"},
+      {OpenMPOrderClauseScope, "OpenMPOrderClauseScope"},
+      {LambdaScope, "LambdaScope"},
       {OpenACCComputeConstructScope, "OpenACCComputeConstructScope"},
+      {TypeAliasScope, "TypeAliasScope"},
       {FriendScope, "FriendScope"},
   };
 

diff --git a/clang/lib/Sema/SemaAMDGPU.cpp b/clang/lib/Sema/SemaAMDGPU.cpp
@@ -31,9 +31,9 @@ bool SemaAMDGPU::CheckAMDGCNBuiltinFunctionCall(unsigned BuiltinID,
     constexpr const int SizeIdx = 2;
     llvm::APSInt Size;
     Expr *ArgExpr = TheCall->getArg(SizeIdx);
-    ExprResult R = SemaRef.VerifyIntegerConstantExpression(ArgExpr, &Size);
-    if (R.isInvalid())
-      return true;
+    [[maybe_unused]] ExprResult R =
+        SemaRef.VerifyIntegerConstantExpression(ArgExpr, &Size);
+    assert(!R.isInvalid());
     switch (Size.getSExtValue()) {
     case 1:
     case 2:

diff --git a/clang/lib/Sema/SemaExpr.cpp b/clang/lib/Sema/SemaExpr.cpp
@@ -5572,9 +5572,10 @@ ExprResult Sema::BuildCXXDefaultArgExpr(SourceLocation CallLoc,
         Res = Immediate.TransformInitializer(Param->getInit(),
                                              /*NotCopy=*/false);
       });
-      if (Res.isUsable())
-        Res = ConvertParamDefaultArgument(Param, Res.get(),
-                                          Res.get()->getBeginLoc());
+      if (Res.isInvalid())
+        return ExprError();
+      Res = ConvertParamDefaultArgument(Param, Res.get(),
+                                        Res.get()->getBeginLoc());
       if (Res.isInvalid())
         return ExprError();
       Init = Res.get();
@@ -5608,10 +5609,9 @@ ExprResult Sema::BuildCXXDefaultInitExpr(SourceLocation Loc, FieldDecl *Field) {
     InitializationContext.emplace(Loc, Field, CurContext);
 
   Expr *Init = nullptr;
-  bool HasRewrittenInit = false;
 
   bool NestedDefaultChecking = isCheckingDefaultArgumentOrInitializer();
-  bool InLifetimeExtendingContext = isInLifetimeExtendingContext();
+
   EnterExpressionEvaluationContext EvalContext(
       *this, ExpressionEvaluationContext::PotentiallyEvaluated, Field);
 
@@ -5646,36 +5646,19 @@ ExprResult Sema::BuildCXXDefaultInitExpr(SourceLocation Loc, FieldDecl *Field) {
   ImmediateCallVisitor V(getASTContext());
   if (!NestedDefaultChecking)
     V.TraverseDecl(Field);
-
-  // CWG1815
-  // Support lifetime extension of temporary created by aggregate
-  // initialization using a default member initializer. We should always rebuild
-  // the initializer if it contains any temporaries (if the initializer
-  // expression is an ExprWithCleanups). Then make sure the normal lifetime
-  // extension code recurses into the default initializer and does lifetime
-  // extension when warranted.
-  bool ContainsAnyTemporaries =
-      isa_and_present<ExprWithCleanups>(Field->getInClassInitializer());
-  if (V.HasImmediateCalls || InLifetimeExtendingContext ||
-      ContainsAnyTemporaries) {
-    HasRewrittenInit = true;
+  if (V.HasImmediateCalls) {
     ExprEvalContexts.back().DelayedDefaultInitializationContext = {Loc, Field,
                                                                    CurContext};
     ExprEvalContexts.back().IsCurrentlyCheckingDefaultArgumentOrInitializer =
         NestedDefaultChecking;
-    // Pass down lifetime extending flag, and collect temporaries in
-    // CreateMaterializeTemporaryExpr when we rewrite the call argument.
-    keepInLifetimeExtendingContext();
+
     EnsureImmediateInvocationInDefaultArgs Immediate(*this);
     ExprResult Res;
-
-    // Rebuild CXXDefaultInitExpr might cause diagnostics.
-    SFINAETrap Trap(*this);
     runWithSufficientStackSpace(Loc, [&] {
       Res = Immediate.TransformInitializer(Field->getInClassInitializer(),
                                            /*CXXDirectInit=*/false);
     });
-    if (Res.isUsable())
+    if (!Res.isInvalid())
       Res = ConvertMemberDefaultInitExpression(Field, Res.get(), Loc);
     if (Res.isInvalid()) {
       Field->setInvalidDecl();
@@ -5702,7 +5685,7 @@ ExprResult Sema::BuildCXXDefaultInitExpr(SourceLocation Loc, FieldDecl *Field) {
 
     return CXXDefaultInitExpr::Create(Context, InitializationContext->Loc,
                                       Field, InitializationContext->Context,
-                                      HasRewrittenInit ? Init : nullptr);
+                                      Init);
   }
 
   // DR1351:

diff --git a/clang/lib/Sema/SemaExprCXX.cpp b/clang/lib/Sema/SemaExprCXX.cpp
@@ -1555,6 +1555,9 @@ Sema::BuildCXXTypeConstructExpr(TypeSourceInfo *TInfo,
                                 bool ListInitialization) {
   QualType Ty = TInfo->getType();
   SourceLocation TyBeginLoc = TInfo->getTypeLoc().getBeginLoc();
+
+  assert((!ListInitialization || Exprs.size() == 1) &&
+         "List initialization must have exactly one expression.");
   SourceRange FullRange = SourceRange(TyBeginLoc, RParenOrBraceLoc);
 
   InitializedEntity Entity =
@@ -5126,6 +5129,7 @@ static bool CheckUnaryTypeTraitTypeCompleteness(Sema &S, TypeTrait UTT,
   case UTT_IsStandardLayout:
   case UTT_IsPOD:
   case UTT_IsLiteral:
+  case UTT_IsBitwiseCloneable:
   // By analogy, is_trivially_relocatable and is_trivially_equality_comparable
   // impose the same constraints.
   case UTT_IsTriviallyRelocatable:
@@ -5619,6 +5623,8 @@ static bool EvaluateUnaryTypeTrait(Sema &Self, TypeTrait UTT,
     return C.hasUniqueObjectRepresentations(T);
   case UTT_IsTriviallyRelocatable:
     return T.isTriviallyRelocatableType(C);
+  case UTT_IsBitwiseCloneable:
+    return T.isBitwiseCloneableType(C);
   case UTT_IsReferenceable:
     return T.isReferenceable();
   case UTT_CanPassInRegs:

diff --git a/clang/lib/Sema/SemaInit.cpp b/clang/lib/Sema/SemaInit.cpp
@@ -8063,6 +8063,11 @@ static void visitLocalsRetainedByInitializer(IndirectLocalPath &Path,
 enum PathLifetimeKind {
   /// Lifetime-extend along this path.
   Extend,
+  /// We should lifetime-extend, but we don't because (due to technical
+  /// limitations) we can't. This happens for default member initializers,
+  /// which we don't clone for every use, so we don't have a unique
+  /// MaterializeTemporaryExpr to update.
+  ShouldExtend,
   /// Do not lifetime extend along this path.
   NoExtend
 };
@@ -8074,7 +8079,7 @@ shouldLifetimeExtendThroughPath(const IndirectLocalPath &Path) {
   PathLifetimeKind Kind = PathLifetimeKind::Extend;
   for (auto Elem : Path) {
     if (Elem.Kind == IndirectLocalPathEntry::DefaultInit)
-      Kind = PathLifetimeKind::Extend;
+      Kind = PathLifetimeKind::ShouldExtend;
     else if (Elem.Kind != IndirectLocalPathEntry::LambdaCaptureInit)
       return PathLifetimeKind::NoExtend;
   }
@@ -8194,6 +8199,18 @@ void Sema::checkInitializerLifetime(const InitializedEntity &Entity,
                               ExtendingEntity->allocateManglingNumber());
         // Also visit the temporaries lifetime-extended by this initializer.
         return true;
+
+      case PathLifetimeKind::ShouldExtend:
+        // We're supposed to lifetime-extend the temporary along this path (per
+        // the resolution of DR1815), but we don't support that yet.
+        //
+        // FIXME: Properly handle this situation. Perhaps the easiest approach
+        // would be to clone the initializer expression on each use that would
+        // lifetime extend its temporaries.
+        Diag(DiagLoc, diag::warn_unsupported_lifetime_extension)
+            << RK << DiagRange;
+        break;
+
       case PathLifetimeKind::NoExtend:
         // If the path goes through the initialization of a variable or field,
         // it can't possibly reach a temporary created in this full-expression.

diff --git a/clang/lib/Sema/TreeTransform.h b/clang/lib/Sema/TreeTransform.h
@@ -14172,13 +14172,6 @@ TreeTransform<Derived>::TransformCXXTemporaryObjectExpr(
     if (TransformExprs(E->getArgs(), E->getNumArgs(), true, Args,
                        &ArgumentChanged))
       return ExprError();
-
-    if (E->isListInitialization() && !E->isStdInitListInitialization()) {
-      ExprResult Res = RebuildInitList(E->getBeginLoc(), Args, E->getEndLoc());
-      if (Res.isInvalid())
-        return ExprError();
-      Args = {Res.get()};
-    }
   }
 
   if (!getDerived().AlwaysRebuild() &&
@@ -14190,9 +14183,12 @@ TreeTransform<Derived>::TransformCXXTemporaryObjectExpr(
     return SemaRef.MaybeBindToTemporary(E);
   }
 
+  // FIXME: We should just pass E->isListInitialization(), but we're not
+  // prepared to handle list-initialization without a child InitListExpr.
   SourceLocation LParenLoc = T->getTypeLoc().getEndLoc();
   return getDerived().RebuildCXXTemporaryObjectExpr(
-      T, LParenLoc, Args, E->getEndLoc(), E->isListInitialization());
+      T, LParenLoc, Args, E->getEndLoc(),
+      /*ListInitialization=*/LParenLoc.isInvalid());
 }
 
 template<typename Derived>

diff --git a/clang/lib/StaticAnalyzer/Core/ExprEngine.cpp b/clang/lib/StaticAnalyzer/Core/ExprEngine.cpp
@@ -1971,45 +1971,33 @@ void ExprEngine::Visit(const Stmt *S, ExplodedNode *Pred,
       ExplodedNodeSet Tmp;
       StmtNodeBuilder Bldr2(PreVisit, Tmp, *currBldrCtx);
 
-      bool HasRewrittenInit = false;
-      const Expr *ArgE = nullptr;
-      if (const auto *DefE = dyn_cast<CXXDefaultArgExpr>(S)) {
+      const Expr *ArgE;
+      if (const auto *DefE = dyn_cast<CXXDefaultArgExpr>(S))
         ArgE = DefE->getExpr();
-        HasRewrittenInit = DefE->hasRewrittenInit();
-      } else if (const auto *DefE = dyn_cast<CXXDefaultInitExpr>(S)) {
+      else if (const auto *DefE = dyn_cast<CXXDefaultInitExpr>(S))
         ArgE = DefE->getExpr();
-        HasRewrittenInit = DefE->hasRewrittenInit();
-      } else
+      else
         llvm_unreachable("unknown constant wrapper kind");
 
-      if (HasRewrittenInit) {
-        for (auto *N : PreVisit) {
-          ProgramStateRef state = N->getState();
-          const LocationContext *LCtx = N->getLocationContext();
-          state = state->BindExpr(S, LCtx, state->getSVal(ArgE, LCtx));
-          Bldr2.generateNode(S, N, state);
-        }
-      } else {
-        // If it's not rewritten, the contents of these expressions are not
-        // actually part of the current function, so we fall back to constant
-        // evaluation.
-        bool IsTemporary = false;
-        if (const auto *MTE = dyn_cast<MaterializeTemporaryExpr>(ArgE)) {
-          ArgE = MTE->getSubExpr();
-          IsTemporary = true;
-        }
-
-        std::optional<SVal> ConstantVal = svalBuilder.getConstantVal(ArgE);
-        const LocationContext *LCtx = Pred->getLocationContext();
-        for (auto *I : PreVisit) {
-          ProgramStateRef State = I->getState();
-          State = State->BindExpr(S, LCtx, ConstantVal.value_or(UnknownVal()));
-          if (IsTemporary)
-            State = createTemporaryRegionIfNeeded(State, LCtx, cast<Expr>(S),
-                                                  cast<Expr>(S));
+      bool IsTemporary = false;
+      if (const auto *MTE = dyn_cast<MaterializeTemporaryExpr>(ArgE)) {
+        ArgE = MTE->getSubExpr();
+        IsTemporary = true;
+      }
 
-          Bldr2.generateNode(S, I, State);
-        }
+      std::optional<SVal> ConstantVal = svalBuilder.getConstantVal(ArgE);
+      if (!ConstantVal)
+        ConstantVal = UnknownVal();
+
+      const LocationContext *LCtx = Pred->getLocationContext();
+      for (const auto I : PreVisit) {
+        ProgramStateRef State = I->getState();
+        State = State->BindExpr(S, LCtx, *ConstantVal);
+        if (IsTemporary)
+          State = createTemporaryRegionIfNeeded(State, LCtx,
+                                                cast<Expr>(S),
+                                                cast<Expr>(S));
+        Bldr2.generateNode(S, I, State);
       }
 
       getCheckerManager().runCheckersForPostStmt(Dst, Tmp, S, *this);

diff --git a/clang/test/AST/Interp/arrays.cpp b/clang/test/AST/Interp/arrays.cpp
@@ -609,3 +609,17 @@ namespace ArrayMemberAccess {
     bool cond = a->x;
   }
 }
+
+namespace OnePastEndSub {
+  struct A {};
+  constexpr A a[3][3];
+  constexpr int diff2 = &a[1][3] - &a[1][0]; /// Used to crash.
+}
+
+static int same_entity_2[3];
+constexpr int *get2() {
+  // This is a redeclaration of the same entity, even though it doesn't
+  // inherit the type of the prior declaration.
+  extern int same_entity_2[];
+  return same_entity_2;
+}
diff --git a/clang/test/AST/Interp/cxx23.cpp b/clang/test/AST/Interp/cxx23.cpp
@@ -178,3 +178,25 @@ namespace ExplicitLambdaThis {
   };
   static_assert(f());
 }
+
+namespace std {
+  struct strong_ordering {
+    int n;
+    constexpr operator int() const { return n; }
+    static const strong_ordering less, equal, greater;
+  };
+  constexpr strong_ordering strong_ordering::less = {-1};
+  constexpr strong_ordering strong_ordering::equal = {0};
+  constexpr strong_ordering strong_ordering::greater = {1};
+}
+
+namespace UndefinedThreeWay {
+  struct A {
+    friend constexpr std::strong_ordering operator<=>(const A&, const A&) = default; // all-note {{declared here}}
+  };
+
+  constexpr std::strong_ordering operator<=>(const A&, const A&) noexcept;
+  constexpr std::strong_ordering (*test_a_threeway)(const A&, const A&) = &operator<=>;
+  static_assert(!(*test_a_threeway)(A(), A())); // all-error {{static assertion expression is not an integral constant expression}} \
+                                                // all-note {{undefined function 'operator<=>' cannot be used in a constant expression}}
+}
diff --git a/clang/test/AST/Interp/eval-order.cpp b/clang/test/AST/Interp/eval-order.cpp
@@ -71,8 +71,8 @@ namespace EvalOrder {
   // Rules 1 and 2 have no effect ('b' is not an expression).
 
   // Rule 3: a->*b
-  // SEQ(A(ud).*B(&UserDefined::n)); FIXME
-  // SEQ(A(&ud)->*B(&UserDefined::n)); FIXME
+  SEQ(A(ud).*B(&UserDefined::n));
+  SEQ(A(&ud)->*B(&UserDefined::n));
 
   // Rule 4: a(b1, b2, b3)
   SEQ(A(f)(B(1), B(2), B(3))); // expected-error {{not an integral constant expression}} FIXME \

diff --git a/clang/test/AST/Interp/literals.cpp b/clang/test/AST/Interp/literals.cpp
@@ -66,7 +66,12 @@ namespace ScalarTypes {
     First = 0,
   };
   static_assert(getScalar<E>() == First, "");
-  /// FIXME: Member pointers.
+
+  struct S {
+    int v;
+  };
+  constexpr int S::* MemberPtr = &S::v;
+  static_assert(getScalar<decltype(MemberPtr)>() == nullptr, "");
 
 #if __cplusplus >= 201402L
   constexpr void Void(int n) {
@@ -1204,7 +1209,7 @@ namespace incdecbool {
 constexpr int externvar1() { // both-error {{never produces a constant expression}}
   extern char arr[]; // ref-note {{declared here}}
    return arr[0]; // ref-note {{read of non-constexpr variable 'arr'}} \
-                  // expected-note {{array-to-pointer decay of array member without known bound is not supported}}
+                  // expected-note {{indexing of array without known bound}}
 }
 #endif
 

diff --git a/clang/test/AST/Interp/memberpointers.cpp b/clang/test/AST/Interp/memberpointers.cpp
@@ -0,0 +1,197 @@
+// RUN: %clang_cc1 -std=c++14 -fexperimental-new-constant-interpreter -verify=expected,both %s
+// RUN: %clang_cc1 -std=c++14 -verify=ref,both %s
+
+namespace MemberPointers {
+  struct A {
+    constexpr A(int n) : n(n) {}
+    int n;
+    constexpr int f() const { return n + 3; }
+  };
+
+  constexpr A a(7);
+  static_assert(A(5).*&A::n == 5, "");
+  static_assert((&a)->*&A::n == 7, "");
+  static_assert((A(8).*&A::f)() == 11, "");
+  static_assert(((&a)->*&A::f)() == 10, "");
+
+  struct B : A {
+    constexpr B(int n, int m) : A(n), m(m) {}
+    int m;
+    constexpr int g() const { return n + m + 1; }
+  };
+  constexpr B b(9, 13);
+  static_assert(B(4, 11).*&A::n == 4, "");
+  static_assert(B(4, 11).*&B::m == 11, "");
+  static_assert(B(4, 11).m == 11, "");
+  static_assert(B(4, 11).*(int(A::*))&B::m == 11, "");
+  static_assert(B(4, 11).*&B::m == 11, "");
+  static_assert((&b)->*&A::n == 9, "");
+  static_assert((&b)->*&B::m == 13, "");
+  static_assert((&b)->*(int(A::*))&B::m == 13, "");
+  static_assert((B(4, 11).*&A::f)() == 7, "");
+  static_assert((B(4, 11).*&B::g)() == 16, "");
+
+  static_assert((B(4, 11).*(int(A::*)() const)&B::g)() == 16, "");
+
+  static_assert(((&b)->*&A::f)() == 12, "");
+  static_assert(((&b)->*&B::g)() == 23, "");
+  static_assert(((&b)->*(int(A::*)()const)&B::g)() == 23, "");
+
+
+  struct S {
+    constexpr S(int m, int n, int (S::*pf)() const, int S::*pn) :
+      m(m), n(n), pf(pf), pn(pn) {}
+    constexpr S() : m(), n(), pf(&S::f), pn(&S::n) {}
+
+    constexpr int f() const { return this->*pn; }
+    virtual int g() const;
+
+    int m, n;
+    int (S::*pf)() const;
+    int S::*pn;
+  };
+
+  constexpr int S::*pm = &S::m;
+  constexpr int S::*pn = &S::n;
+
+  constexpr int (S::*pf)() const = &S::f;
+  constexpr int (S::*pg)() const = &S::g;
+
+  constexpr S s(2, 5, &S::f, &S::m);
+
+  static_assert((s.*&S::f)() == 2, "");
+  static_assert((s.*s.pf)() == 2, "");
+
+  static_assert(pf == &S::f, "");
+
+  static_assert(pf == s.*&S::pf, "");
+
+  static_assert(pm == &S::m, "");
+  static_assert(pm != pn, "");
+  static_assert(s.pn != pn, "");
+  static_assert(s.pn == pm, "");
+  static_assert(pg != nullptr, "");
+  static_assert(pf != nullptr, "");
+  static_assert((int S::*)nullptr == nullptr, "");
+  static_assert(pg == pg, ""); // both-error {{constant expression}} \
+                               // both-note {{comparison of pointer to virtual member function 'g' has unspecified value}}
+  static_assert(pf != pg, ""); // both-error {{constant expression}} \
+                               // both-note {{comparison of pointer to virtual member function 'g' has unspecified value}}
+
+  template<int n> struct T : T<n-1> { const int X = n;};
+  template<> struct T<0> { int n; char k;};
+  template<> struct T<30> : T<29> { int m; };
+
+  T<17> t17;
+  T<30> t30;
+
+  constexpr int (T<15>::*deepm) = (int(T<10>::*))&T<30>::m;
+  constexpr int (T<10>::*deepn) = &T<0>::n;
+  constexpr char (T<10>::*deepk) = &T<0>::k;
+
+  static_assert(&(t17.*deepn) == &t17.n, "");
+  static_assert(&(t17.*deepk) == &t17.k, "");
+  static_assert(deepn == &T<2>::n, "");
+
+  constexpr int *pgood = &(t30.*deepm);
+  constexpr int *pbad = &(t17.*deepm); // both-error {{constant expression}}
+  static_assert(&(t30.*deepm) == &t30.m, "");
+
+  static_assert(deepm == &T<50>::m, "");
+  static_assert(deepm != deepn, "");
+
+  constexpr T<5> *p17_5 = &t17;
+  constexpr T<13> *p17_13 = (T<13>*)p17_5;
+  constexpr T<23> *p17_23 = (T<23>*)p17_13; // both-error {{constant expression}} \
+                                            // both-note {{cannot cast object of dynamic type 'T<17>' to type 'T<23>'}}
+  constexpr T<18> *p17_18 = (T<18>*)p17_13; // both-error {{constant expression}} \
+                                            // both-note {{cannot cast object of dynamic type 'T<17>' to type 'T<18>'}}
+  static_assert(&(p17_5->*(int(T<0>::*))deepn) == &t17.n, "");
+  static_assert(&(p17_5->*(int(T<0>::*))deepn), "");
+
+
+  static_assert(&(p17_13->*deepn) == &t17.n, "");
+  constexpr int *pbad2 = &(p17_13->*(int(T<9>::*))deepm); // both-error {{constant expression}}
+
+  constexpr T<5> *p30_5 = &t30;
+  constexpr T<23> *p30_23 = (T<23>*)p30_5;
+  constexpr T<13> *p30_13 = p30_23;
+  static_assert(&(p30_13->*deepn) == &t30.n, "");
+  static_assert(&(p30_23->*deepn) == &t30.n, "");
+  static_assert(&(p30_5->*(int(T<3>::*))deepn) == &t30.n, "");
+
+  static_assert(&(p30_5->*(int(T<2>::*))deepm) == &t30.m, "");
+  static_assert(&(((T<17>*)p30_13)->*deepm) == &t30.m, "");
+  static_assert(&(p30_23->*deepm) == &t30.m, "");
+
+
+  /// Added tests not from constant-expression-cxx11.cpp
+  static_assert(pm, "");
+  static_assert(!((int S::*)nullptr), "");
+  constexpr int S::*pk = nullptr;
+  static_assert(!pk, "");
+}
+
+namespace test3 {
+  struct nsCSSRect {
+  };
+  static int nsCSSRect::* sides;
+  nsCSSRect dimenX;
+  void ParseBoxCornerRadii(int y) {
+    switch (y) {
+    }
+    int& x = dimenX.*sides;
+  }
+}
+
+void foo() {
+  class X;
+  void (X::*d) ();
+  d = nullptr; /// This calls in the constant interpreter.
+}
+
+namespace {
+  struct A { int n; };
+  struct B { int n; };
+  struct C : A, B {};
+  struct D { double d; C c; };
+  const int &&u = static_cast<B&&>(0, ((D&&)D{}).*&D::c).n; // both-warning {{left operand of comma operator has no effect}}
+}
+
+/// From SemaTemplate/instantiate-member-pointers.cpp
+namespace {
+  struct Y {
+    int x;
+  };
+
+  template<typename T, typename Class, T Class::*Ptr>
+  struct X3 {
+    X3<T, Class, Ptr> &operator=(const T& value) {
+      return *this;
+    }
+  };
+
+  typedef int Y::*IntMember;
+  template<IntMember Member>
+  struct X4 {
+    X3<int, Y, Member> member;
+    int &getMember(Y& y) { return y.*Member; }
+  };
+
+  int &get_X4(X4<&Y::x> x4, Y& y) {
+    return x4.getMember(y);
+  }
+}
+
+/// From test/CXX/basic/basic.def.odr/p2.cpp
+namespace {
+  void use(int);
+  struct S { int x; int f() const; };
+  constexpr S *ps = nullptr;
+  S *const &psr = ps;
+
+  void test() {
+    use(ps->*&S::x);
+    use(psr->*&S::x);
+  }
+}
diff --git a/clang/test/AST/ast-dump-default-init-json.cpp b/clang/test/AST/ast-dump-default-init-json.cpp
@@ -789,10 +789,10 @@ void test() {
 // CHECK-NEXT:                  "valueCategory": "lvalue",
 // CHECK-NEXT:                  "extendingDecl": {
 // CHECK-NEXT:                   "id": "0x{{.*}}",
-// CHECK-NEXT:                   "kind": "VarDecl",
-// CHECK-NEXT:                   "name": "b",
+// CHECK-NEXT:                   "kind": "FieldDecl",
+// CHECK-NEXT:                   "name": "a",
 // CHECK-NEXT:                   "type": {
-// CHECK-NEXT:                    "qualType": "B"
+// CHECK-NEXT:                    "qualType": "const A &"
 // CHECK-NEXT:                   }
 // CHECK-NEXT:                  },
 // CHECK-NEXT:                  "storageDuration": "automatic",

diff --git a/clang/test/AST/ast-dump-default-init.cpp b/clang/test/AST/ast-dump-default-init.cpp
@@ -13,7 +13,7 @@ void test() {
 }
 // CHECK: -CXXDefaultInitExpr 0x{{[^ ]*}} <{{.*}}> 'const A' lvalue has rewritten init
 // CHECK-NEXT:  `-ExprWithCleanups 0x{{[^ ]*}} <{{.*}}> 'const A' lvalue
-// CHECK-NEXT:    `-MaterializeTemporaryExpr 0x{{[^ ]*}} <{{.*}}> 'const A' lvalue extended by Var 0x{{[^ ]*}} 'b' 'B'
+// CHECK-NEXT:    `-MaterializeTemporaryExpr 0x{{[^ ]*}} <{{.*}}> 'const A' lvalue extended by Field 0x{{[^ ]*}} 'a' 'const A &'
 // CHECK-NEXT:      `-ImplicitCastExpr 0x{{[^ ]*}} <{{.*}}> 'const A' <NoOp>
 // CHECK-NEXT:        `-CXXFunctionalCastExpr 0x{{[^ ]*}} <{{.*}}> 'A' functional cast to A <NoOp>
 // CHECK-NEXT:          `-InitListExpr 0x{{[^ ]*}} <{{.*}}> 'A'

diff --git a/clang/test/Analysis/cxx-uninitialized-object.cpp b/clang/test/Analysis/cxx-uninitialized-object.cpp
@@ -1114,27 +1114,27 @@ void fCXX11MemberInitTest1() {
   CXX11MemberInitTest1();
 }
 
-#ifdef PEDANTIC
 struct CXX11MemberInitTest2 {
   struct RecordType {
-    int a; // expected-note {{uninitialized field 'this->a'}}
-    int b; // expected-note {{uninitialized field 'this->b'}}
+    // TODO: we'd expect the note: {{uninitialized field 'this->rec.a'}}
+    int a; // no-note
+    // TODO: we'd expect the note: {{uninitialized field 'this->rec.b'}}
+    int b; // no-note
 
     RecordType(int) {}
   };
 
-  RecordType rec = RecordType(int()); // expected-warning {{2 uninitialized fields}}
+  RecordType rec = RecordType(int());
   int dontGetFilteredByNonPedanticMode = 0;
 
   CXX11MemberInitTest2() {}
 };
 
 void fCXX11MemberInitTest2() {
+  // TODO: we'd expect the warning: {{2 uninitializeds field}}
   CXX11MemberInitTest2(); // no-warning
 }
 
-#endif // PEDANTIC
-
 //===----------------------------------------------------------------------===//
 // "Esoteric" primitive type tests.
 //===----------------------------------------------------------------------===//

diff --git a/clang/test/Analysis/lifetime-extended-regions.cpp b/clang/test/Analysis/lifetime-extended-regions.cpp
@@ -120,11 +120,11 @@ void aggregateWithReferences() {
   clang_analyzer_dump(viaReference);    // expected-warning-re {{&lifetime_extended_object{RefAggregate, viaReference, S{{[0-9]+}}} }}
   clang_analyzer_dump(viaReference.rx); // expected-warning-re {{&lifetime_extended_object{int, viaReference, S{{[0-9]+}}} }}
   clang_analyzer_dump(viaReference.ry); // expected-warning-re {{&lifetime_extended_object{Composite, viaReference, S{{[0-9]+}}} }}
-  
-  // The lifetime lifetime of object bound to reference members of aggregates,
-  // that are created from default member initializer was extended.
-  RefAggregate defaultInitExtended{i};
-  clang_analyzer_dump(defaultInitExtended.ry); // expected-warning-re {{&lifetime_extended_object{Composite, defaultInitExtended, S{{[0-9]+}}} }}
+
+  // clang does not currently implement extending lifetime of object bound to reference members of aggregates,
+  // that are created from default member initializer (see `warn_unsupported_lifetime_extension` from `-Wdangling`)
+  RefAggregate defaultInitExtended{i}; // clang-bug does not extend `Composite`
+  clang_analyzer_dump(defaultInitExtended.ry); // expected-warning {{Unknown }}
 }
 
 void lambda() {

diff --git a/clang/test/CXX/drs/cwg16xx.cpp b/clang/test/CXX/drs/cwg16xx.cpp
@@ -483,6 +483,8 @@ namespace cwg1696 { // cwg1696: 7
     const A &a = A(); // #cwg1696-D1-a
   };
   D1 d1 = {}; // #cwg1696-d1
+  // since-cxx14-warning@-1 {{lifetime extension of temporary created by aggregate initialization using a default member initializer is not yet supported; lifetime of temporary will end at the end of the full-expression}}
+  //   since-cxx14-note@#cwg1696-D1-a {{initializing field 'a' with default member initializer}}
 
   struct D2 {
     const A &a = A(); // #cwg1696-D2-a

diff --git a/clang/test/CXX/drs/cwg18xx.cpp b/clang/test/CXX/drs/cwg18xx.cpp
@@ -206,28 +206,19 @@ namespace cwg1814 { // cwg1814: yes
 #endif
 }
 
-namespace cwg1815 { // cwg1815: 19
+namespace cwg1815 { // cwg1815: no
 #if __cplusplus >= 201402L
-  struct A { int &&r = 0; };
+  // FIXME: needs codegen test
+  struct A { int &&r = 0; }; // #cwg1815-A
   A a = {};
+  // since-cxx14-warning@-1 {{lifetime extension of temporary created by aggregate initialization using a default member initializer is not yet supported; lifetime of temporary will end at the end of the full-expression}} FIXME
+  //   since-cxx14-note@#cwg1815-A {{initializing field 'r' with default member initializer}}
 
   struct B { int &&r = 0; }; // #cwg1815-B
   // since-cxx14-error@-1 {{reference member 'r' binds to a temporary object whose lifetime would be shorter than the lifetime of the constructed object}}
   //   since-cxx14-note@#cwg1815-B {{initializing field 'r' with default member initializer}}
   //   since-cxx14-note@#cwg1815-b {{in implicit default constructor for 'cwg1815::B' first required here}}
   B b; // #cwg1815-b
-
-#if __cplusplus >= 201703L
-  struct C { const int &r = 0; };
-  constexpr C c = {}; // OK, since cwg1815
-  static_assert(c.r == 0);
-
-  constexpr int f() {
-    A a = {}; // OK, since cwg1815
-    return a.r;
-  }
-  static_assert(f() == 0);
-#endif
 #endif
 }
 

diff --git a/clang/test/CXX/special/class.temporary/p6.cpp b/clang/test/CXX/special/class.temporary/p6.cpp
@@ -269,40 +269,6 @@ void init_capture_init_list() {
   // CHECK: }
 }
 
-void check_dr1815() { // dr1815: yes
-#if __cplusplus >= 201402L
-
-  struct A {
-    int &&r = 0;
-    ~A() {}
-  };
-
-  struct B {
-    A &&a = A{};
-    ~B() {}
-  };
-  B a = {};
-
-  // CHECK: call {{.*}}block_scope_begin_function
-  extern void block_scope_begin_function();
-  extern void block_scope_end_function();
-  block_scope_begin_function();
-  {
-    // CHECK: call void @_ZZ12check_dr1815vEN1BD1Ev
-    // CHECK: call void @_ZZ12check_dr1815vEN1AD1Ev
-    B b = {};
-  }
-  // CHECK: call {{.*}}block_scope_end_function
-  block_scope_end_function();
-
-  // CHECK: call {{.*}}some_other_function
-  extern void some_other_function();
-  some_other_function();
-  // CHECK: call void @_ZZ12check_dr1815vEN1BD1Ev
-  // CHECK: call void @_ZZ12check_dr1815vEN1AD1Ev
-#endif
-}
-
 namespace P2718R0 {
 namespace basic {
 template <typename E> using T2 = std::list<E>;

diff --git a/clang/test/CodeGen/RISCV/rvv-intrinsics-autogenerated/non-policy/non-overloaded/vcpopv.c b/clang/test/CodeGen/RISCV/rvv-intrinsics-autogenerated/non-policy/non-overloaded/vcpopv.c
diff --git a/clang/test/CodeGen/RISCV/rvv-intrinsics-autogenerated/non-policy/overloaded/vcpopv.c b/clang/test/CodeGen/RISCV/rvv-intrinsics-autogenerated/non-policy/overloaded/vcpopv.c
diff --git a/clang/test/CodeGen/RISCV/rvv-intrinsics-autogenerated/policy/non-overloaded/vcpopv.c b/clang/test/CodeGen/RISCV/rvv-intrinsics-autogenerated/policy/non-overloaded/vcpopv.c
diff --git a/clang/test/CodeGen/RISCV/rvv-intrinsics-autogenerated/policy/overloaded/vcpopv.c b/clang/test/CodeGen/RISCV/rvv-intrinsics-autogenerated/policy/overloaded/vcpopv.c
diff --git a/clang/test/CodeGen/voidptr-vaarg.c b/clang/test/CodeGen/voidptr-vaarg.c
diff --git a/clang/test/CodeGenCUDA/cuda-builtin-vars.cu b/clang/test/CodeGenCUDA/cuda-builtin-vars.cu
@@ -6,21 +6,21 @@
 __attribute__((global))
 void kernel(int *out) {
   int i = 0;
-  out[i++] = threadIdx.x; // CHECK: call noundef i32 @llvm.nvvm.read.ptx.sreg.tid.x()
-  out[i++] = threadIdx.y; // CHECK: call noundef i32 @llvm.nvvm.read.ptx.sreg.tid.y()
-  out[i++] = threadIdx.z; // CHECK: call noundef i32 @llvm.nvvm.read.ptx.sreg.tid.z()
+  out[i++] = threadIdx.x; // CHECK: call noundef{{.*}} i32 @llvm.nvvm.read.ptx.sreg.tid.x()
+  out[i++] = threadIdx.y; // CHECK: call noundef{{.*}} i32 @llvm.nvvm.read.ptx.sreg.tid.y()
+  out[i++] = threadIdx.z; // CHECK: call noundef{{.*}} i32 @llvm.nvvm.read.ptx.sreg.tid.z()
 
-  out[i++] = blockIdx.x; // CHECK: call noundef i32 @llvm.nvvm.read.ptx.sreg.ctaid.x()
-  out[i++] = blockIdx.y; // CHECK: call noundef i32 @llvm.nvvm.read.ptx.sreg.ctaid.y()
-  out[i++] = blockIdx.z; // CHECK: call noundef i32 @llvm.nvvm.read.ptx.sreg.ctaid.z()
+  out[i++] = blockIdx.x; // CHECK: call noundef{{.*}} i32 @llvm.nvvm.read.ptx.sreg.ctaid.x()
+  out[i++] = blockIdx.y; // CHECK: call noundef{{.*}} i32 @llvm.nvvm.read.ptx.sreg.ctaid.y()
+  out[i++] = blockIdx.z; // CHECK: call noundef{{.*}} i32 @llvm.nvvm.read.ptx.sreg.ctaid.z()
 
-  out[i++] = blockDim.x; // CHECK: call noundef i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
-  out[i++] = blockDim.y; // CHECK: call noundef i32 @llvm.nvvm.read.ptx.sreg.ntid.y()
-  out[i++] = blockDim.z; // CHECK: call noundef i32 @llvm.nvvm.read.ptx.sreg.ntid.z()
+  out[i++] = blockDim.x; // CHECK: call noundef{{.*}} i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
+  out[i++] = blockDim.y; // CHECK: call noundef{{.*}} i32 @llvm.nvvm.read.ptx.sreg.ntid.y()
+  out[i++] = blockDim.z; // CHECK: call noundef{{.*}} i32 @llvm.nvvm.read.ptx.sreg.ntid.z()
 
-  out[i++] = gridDim.x; // CHECK: call noundef i32 @llvm.nvvm.read.ptx.sreg.nctaid.x()
-  out[i++] = gridDim.y; // CHECK: call noundef i32 @llvm.nvvm.read.ptx.sreg.nctaid.y()
-  out[i++] = gridDim.z; // CHECK: call noundef i32 @llvm.nvvm.read.ptx.sreg.nctaid.z()
+  out[i++] = gridDim.x; // CHECK: call noundef{{.*}} i32 @llvm.nvvm.read.ptx.sreg.nctaid.x()
+  out[i++] = gridDim.y; // CHECK: call noundef{{.*}} i32 @llvm.nvvm.read.ptx.sreg.nctaid.y()
+  out[i++] = gridDim.z; // CHECK: call noundef{{.*}} i32 @llvm.nvvm.read.ptx.sreg.nctaid.z()
 
   out[i++] = warpSize; // CHECK: store i32 32,
 

diff --git a/clang/test/CodeGenCXX/inline-then-fold-variadics.cpp b/clang/test/CodeGenCXX/inline-then-fold-variadics.cpp
@@ -0,0 +1,181 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --function-signature
+// REQUIRES: webassembly-registered-target
+
+// Simple calls to known variadic functions that are completely elided when
+// optimisations are on This is a functional check that the expand-variadic pass
+// is consistent with clang's va_arg handling
+
+// When expand-variadics is added to the default pipeline, clang -O1 will
+// suffice here -Wno-varargs avoids warning second argument to 'va_start' is not
+// the last named parameter
+
+// RUN: %clang_cc1 %s -triple wasm32-unknown-unknown -Wno-varargs -O1 -emit-llvm -o - | opt - -S --passes='module(expand-variadics,default<O1>)' --expand-variadics-override=optimize -o - | FileCheck %s
+
+#include <stdarg.h>
+#include <stdint.h>
+
+template <typename X, typename Y> static X first(...) {
+  va_list va;
+  __builtin_va_start(va, 0);
+  X r = va_arg(va, X);
+  va_end(va);
+  return r;
+}
+
+template <typename X, typename Y> static Y second(...) {
+  va_list va;
+  __builtin_va_start(va, 0);
+  va_arg(va, X);
+  Y r = va_arg(va, Y);
+  va_end(va);
+  return r;
+}
+
+extern "C" {
+
+// CHECK-LABEL: define {{[^@]+}}@first_pair_i32
+// CHECK-SAME: (i32 noundef returned [[X:%.*]], i32 noundef [[Y:%.*]])
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    ret i32 [[X]]
+//
+int first_pair_i32(int x, int y) { return first<int, int>(x, y); }
+
+// CHECK-LABEL: define {{[^@]+}}@second_pair_i32
+// CHECK-SAME: (i32 noundef [[X:%.*]], i32 noundef returned [[Y:%.*]])
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    ret i32 [[Y]]
+//
+int second_pair_i32(int x, int y) { return second<int, int>(x, y); }
+
+// CHECK-LABEL: define {{[^@]+}}@first_pair_f64
+// CHECK-SAME: (double noundef returned [[X:%.*]], double noundef [[Y:%.*]])
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    ret double [[X]]
+//
+double first_pair_f64(double x, double y) {
+  return first<double, double>(x, y);
+}
+
+// CHECK-LABEL: define {{[^@]+}}@second_pair_f64
+// CHECK-SAME: (double noundef [[X:%.*]], double noundef returned [[Y:%.*]])
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    ret double [[Y]]
+//
+double second_pair_f64(double x, double y) {
+  return second<double, double>(x, y);
+}
+}
+
+extern "C" {
+
+// CHECK-LABEL: define {{[^@]+}}@first_i32_f64
+// CHECK-SAME: (i32 noundef returned [[X:%.*]], double noundef [[Y:%.*]])
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    ret i32 [[X]]
+//
+int first_i32_f64(int x, double y) { return first<int, double>(x, y); }
+
+// CHECK-LABEL: define {{[^@]+}}@second_i32_f64
+// CHECK-SAME: (i32 noundef [[X:%.*]], double noundef returned [[Y:%.*]])
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    ret double [[Y]]
+//
+double second_i32_f64(int x, double y) { return second<int, double>(x, y); }
+
+// CHECK-LABEL: define {{[^@]+}}@first_f64_i32
+// CHECK-SAME: (double noundef returned [[X:%.*]], i32 noundef [[Y:%.*]])
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    ret double [[X]]
+//
+double first_f64_i32(double x, int y) { return first<double, int>(x, y); }
+
+// CHECK-LABEL: define {{[^@]+}}@second_f64_i32
+// CHECK-SAME: (double noundef [[X:%.*]], i32 noundef returned [[Y:%.*]])
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    ret i32 [[Y]]
+//
+int second_f64_i32(double x, int y) { return second<double, int>(x, y); }
+}
+
+extern "C" {
+typedef uint64_t ulong2 __attribute__((__vector_size__(16), __aligned__(16)));
+
+// CHECK-LABEL: define {{[^@]+}}@first_i32_ulong2
+// CHECK-SAME: (i32 noundef returned [[X:%.*]], ptr nocapture noundef readonly [[Y:%.*]])
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    ret i32 [[X]]
+//
+int first_i32_ulong2(int x, ulong2 *y) { return first<int, ulong2>(x, *y); }
+
+// CHECK-LABEL: define {{[^@]+}}@second_i32_ulong2
+// CHECK-SAME: (i32 noundef [[X:%.*]], ptr nocapture noundef readonly [[Y:%.*]], ptr nocapture noundef writeonly [[R:%.*]]) local_unnamed_addr #[[ATTR1:[0-9]+]] {
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = load <2 x i64>, ptr [[Y]], align 16, !tbaa [[TBAA2:![0-9]+]]
+// CHECK-NEXT:    store <2 x i64> [[TMP0]], ptr [[R]], align 16, !tbaa [[TBAA2]]
+// CHECK-NEXT:    ret void
+//
+void second_i32_ulong2(int x, ulong2 *y, ulong2 *r) {
+  *r = second<int, ulong2>(x, *y);
+}
+
+// CHECK-LABEL: define {{[^@]+}}@first_ulong2_i32
+// CHECK-SAME: (ptr nocapture noundef readonly [[X:%.*]], i32 noundef [[Y:%.*]], ptr nocapture noundef writeonly [[R:%.*]]) local_unnamed_addr #[[ATTR1]] {
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = load <2 x i64>, ptr [[X]], align 16, !tbaa [[TBAA2]]
+// CHECK-NEXT:    store <2 x i64> [[TMP0]], ptr [[R]], align 16, !tbaa [[TBAA2]]
+// CHECK-NEXT:    ret void
+//
+void first_ulong2_i32(ulong2 *x, int y, ulong2 *r) {
+  *r = first<ulong2, int>(*x, y);
+}
+
+// CHECK-LABEL: define {{[^@]+}}@second_ulong2_i32
+// CHECK-SAME: (ptr nocapture noundef readonly [[X:%.*]], i32 noundef returned [[Y:%.*]])
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    ret i32 [[Y]]
+//
+int second_ulong2_i32(ulong2 *x, int y) { return second<ulong2, int>(*x, y); }
+}
+
+// ascending alignment
+typedef struct {
+  char c;
+  short s;
+  int i;
+  long l;
+  float f;
+  double d;
+} asc;
+
+extern "C" {
+
+// CHECK-LABEL: define {{[^@]+}}@first_i32_asc
+// CHECK-SAME: (i32 noundef returned [[X:%.*]], ptr nocapture noundef readonly [[Y:%.*]])
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    ret i32 [[X]]
+//
+int first_i32_asc(int x, asc *y) { return first<int, asc>(x, *y); }
+
+// CHECK-LABEL: define {{[^@]+}}@second_i32_asc
+// CHECK-SAME: (i32 noundef [[X:%.*]], ptr nocapture noundef readonly [[Y:%.*]], ptr nocapture noundef writeonly [[R:%.*]]) local_unnamed_addr #[[ATTR1]] {
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    tail call void @llvm.memmove.p0.p0.i32(ptr noundef nonnull align 8 dereferenceable(24) [[R]], ptr noundef nonnull align 1 dereferenceable(24) [[Y]], i32 24, i1 false)
+// CHECK-NEXT:    ret void
+//
+void second_i32_asc(int x, asc *y, asc *r) { *r = second<int, asc>(x, *y); }
+
+// CHECK-LABEL: define {{[^@]+}}@first_asc_i32
+// CHECK-SAME: (ptr nocapture noundef readonly [[X:%.*]], i32 noundef [[Y:%.*]], ptr nocapture noundef writeonly [[R:%.*]]) local_unnamed_addr #[[ATTR1]] {
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    tail call void @llvm.memmove.p0.p0.i32(ptr noundef nonnull align 8 dereferenceable(24) [[R]], ptr noundef nonnull align 1 dereferenceable(24) [[X]], i32 24, i1 false)
+// CHECK-NEXT:    ret void
+//
+void first_asc_i32(asc *x, int y, asc *r) { *r = first<asc, int>(*x, y); }
+
+// CHECK-LABEL: define {{[^@]+}}@second_asc_i32
+// CHECK-SAME: (ptr nocapture noundef readonly [[X:%.*]], i32 noundef returned [[Y:%.*]])
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    ret i32 [[Y]]
+//
+int second_asc_i32(asc *x, int y) { return second<asc, int>(*x, y); }
+}
diff --git a/clang/test/CodeGenCXX/pointers-to-data-members.cpp b/clang/test/CodeGenCXX/pointers-to-data-members.cpp
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 %s -emit-llvm -o %t.ll -triple=x86_64-apple-darwin10
+// RUN: %clang_cc1 %s -emit-llvm -o %t.ll -triple=x86_64-apple-darwin10 -fexperimental-new-constant-interpreter
 // RUN: FileCheck %s < %t.ll
 // RUN: FileCheck -check-prefix=CHECK-GLOBAL %s < %t.ll
 

diff --git a/clang/test/CodeGenCXX/template-param-objects-linkage.cpp b/clang/test/CodeGenCXX/template-param-objects-linkage.cpp
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++20 %s -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++20 %s -emit-llvm -o - -fexperimental-new-constant-interpreter | FileCheck %s
 
 struct S { char buf[32]; };
 template<S s> constexpr const char* f() { return s.buf; }

diff --git a/clang/test/CodeGenOpenCL/amdgpu-features.cl b/clang/test/CodeGenOpenCL/amdgpu-features.cl
@@ -49,6 +49,7 @@
 // RUN: %clang_cc1 -triple amdgcn -target-cpu gfx1103 -emit-llvm -o - %s | FileCheck --check-prefix=GFX1103 %s
 // RUN: %clang_cc1 -triple amdgcn -target-cpu gfx1150 -emit-llvm -o - %s | FileCheck --check-prefix=GFX1150 %s
 // RUN: %clang_cc1 -triple amdgcn -target-cpu gfx1151 -emit-llvm -o - %s | FileCheck --check-prefix=GFX1151 %s
+// RUN: %clang_cc1 -triple amdgcn -target-cpu gfx1152 -emit-llvm -o - %s | FileCheck --check-prefix=GFX1152 %s
 // RUN: %clang_cc1 -triple amdgcn -target-cpu gfx1200 -emit-llvm -o - %s | FileCheck --check-prefix=GFX1200 %s
 // RUN: %clang_cc1 -triple amdgcn -target-cpu gfx1201 -emit-llvm -o - %s | FileCheck --check-prefix=GFX1201 %s
 
@@ -100,6 +101,7 @@
 // GFX1103: "target-features"="+16-bit-insts,+atomic-fadd-rtn-insts,+ci-insts,+dl-insts,+dot10-insts,+dot5-insts,+dot7-insts,+dot8-insts,+dot9-insts,+dpp,+gfx10-3-insts,+gfx10-insts,+gfx11-insts,+gfx8-insts,+gfx9-insts,+wavefrontsize32"
 // GFX1150: "target-features"="+16-bit-insts,+atomic-fadd-rtn-insts,+ci-insts,+dl-insts,+dot10-insts,+dot5-insts,+dot7-insts,+dot8-insts,+dot9-insts,+dpp,+gfx10-3-insts,+gfx10-insts,+gfx11-insts,+gfx8-insts,+gfx9-insts,+wavefrontsize32"
 // GFX1151: "target-features"="+16-bit-insts,+atomic-fadd-rtn-insts,+ci-insts,+dl-insts,+dot10-insts,+dot5-insts,+dot7-insts,+dot8-insts,+dot9-insts,+dpp,+gfx10-3-insts,+gfx10-insts,+gfx11-insts,+gfx8-insts,+gfx9-insts,+wavefrontsize32"
+// GFX1152: "target-features"="+16-bit-insts,+atomic-fadd-rtn-insts,+ci-insts,+dl-insts,+dot10-insts,+dot5-insts,+dot7-insts,+dot8-insts,+dot9-insts,+dpp,+gfx10-3-insts,+gfx10-insts,+gfx11-insts,+gfx8-insts,+gfx9-insts,+wavefrontsize32"
 // GFX1200: "target-features"="+16-bit-insts,+atomic-buffer-global-pk-add-f16-insts,+atomic-ds-pk-add-16-insts,+atomic-fadd-rtn-insts,+atomic-flat-pk-add-16-insts,+atomic-global-pk-add-bf16-inst,+ci-insts,+dl-insts,+dot10-insts,+dot11-insts,+dot7-insts,+dot8-insts,+dot9-insts,+dpp,+fp8-conversion-insts,+gfx10-3-insts,+gfx10-insts,+gfx11-insts,+gfx12-insts,+gfx8-insts,+gfx9-insts,+wavefrontsize32"
 // GFX1201: "target-features"="+16-bit-insts,+atomic-buffer-global-pk-add-f16-insts,+atomic-ds-pk-add-16-insts,+atomic-fadd-rtn-insts,+atomic-flat-pk-add-16-insts,+atomic-global-pk-add-bf16-inst,+ci-insts,+dl-insts,+dot10-insts,+dot11-insts,+dot7-insts,+dot8-insts,+dot9-insts,+dpp,+fp8-conversion-insts,+gfx10-3-insts,+gfx10-insts,+gfx11-insts,+gfx12-insts,+gfx8-insts,+gfx9-insts,+wavefrontsize32"
 

diff --git a/clang/test/CodeGenOpenCL/builtins-amdgcn-gfx11.cl b/clang/test/CodeGenOpenCL/builtins-amdgcn-gfx11.cl
@@ -5,6 +5,7 @@
 // RUN: %clang_cc1 -triple amdgcn-unknown-unknown -target-cpu gfx1103 -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -triple amdgcn-unknown-unknown -target-cpu gfx1150 -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -triple amdgcn-unknown-unknown -target-cpu gfx1151 -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple amdgcn-unknown-unknown -target-cpu gfx1152 -emit-llvm -o - %s | FileCheck %s
 
 typedef unsigned int uint;
 typedef unsigned long ulong;

diff --git a/clang/test/Driver/aarch64-oryon-1.c b/clang/test/Driver/aarch64-oryon-1.c
@@ -0,0 +1,19 @@
+// RUN: %clang -target aarch64 -mcpu=oryon-1 -### -c %s 2>&1 | FileCheck -check-prefix=Phoenix %s
+// RUN: %clang -target aarch64 -mlittle-endian -mcpu=oryon-1 -### -c %s 2>&1 | FileCheck -check-prefix=Phoenix %s
+// RUN: %clang -target aarch64_be -mlittle-endian -mcpu=oryon-1 -### -c %s 2>&1 | FileCheck -check-prefix=Phoenix %s
+// RUN: %clang -target aarch64 -mtune=oryon-1 -### -c %s 2>&1 | FileCheck -check-prefix=Phoenix-TUNE %s
+// RUN: %clang -target aarch64 -mlittle-endian -mtune=oryon-1 -### -c %s 2>&1 | FileCheck -check-prefix=Phoenix-TUNE %s
+// RUN: %clang -target aarch64_be -mlittle-endian -mtune=oryon-1 -### -c %s 2>&1 | FileCheck -check-prefix=Phoenix-TUNE %s
+// Phoenix: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "oryon-1" "-target-feature" "+v8.6a"
+// Phoenix-TUNE: "-cc1"{{.*}} "-triple" "aarch64{{(--)?}}"{{.*}} "-target-cpu" "generic"
+
+// RUN: %clang -target arm64 -mcpu=oryon-1 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-Phoenix %s
+// RUN: %clang -target arm64 -mlittle-endian -mcpu=oryon-1 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-Phoenix %s
+// RUN: %clang -target arm64 -mtune=oryon-1 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-Phoenix-TUNE %s
+// RUN: %clang -target arm64 -mlittle-endian -mtune=oryon-1 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-Phoenix-TUNE %s
+// ARM64-Phoenix: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "oryon-1" "-target-feature" "+v8.6a"
+// ARM64-Phoenix-TUNE: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "generic"
+
+// RUN: %clang -target aarch64 -mcpu=oryon-1 -mtune=cortex-a53 -### -c %s 2>&1 | FileCheck -check-prefix=MCPU-MTUNE-Phoenix %s
+// RUN: %clang -target aarch64 -mtune=cortex-a53 -mcpu=oryon-1  -### -c %s 2>&1 | FileCheck -check-prefix=MCPU-MTUNE-Phoenix %s
+// MCPU-MTUNE-Phoenix: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "oryon-1"
diff --git a/clang/test/Driver/amdgpu-macros.cl b/clang/test/Driver/amdgpu-macros.cl
@@ -127,6 +127,7 @@
 // RUN: %clang -E -dM -target amdgcn -mcpu=gfx1103 %s 2>&1 | FileCheck --check-prefixes=ARCH-GCN,FAST_FMAF %s -DWAVEFRONT_SIZE=32 -DCPU=gfx1103 -DFAMILY=GFX11
 // RUN: %clang -E -dM -target amdgcn -mcpu=gfx1150 %s 2>&1 | FileCheck --check-prefixes=ARCH-GCN,FAST_FMAF %s -DWAVEFRONT_SIZE=32 -DCPU=gfx1150 -DFAMILY=GFX11
 // RUN: %clang -E -dM -target amdgcn -mcpu=gfx1151 %s 2>&1 | FileCheck --check-prefixes=ARCH-GCN,FAST_FMAF %s -DWAVEFRONT_SIZE=32 -DCPU=gfx1151 -DFAMILY=GFX11
+// RUN: %clang -E -dM -target amdgcn -mcpu=gfx1152 %s 2>&1 | FileCheck --check-prefixes=ARCH-GCN,FAST_FMAF %s -DWAVEFRONT_SIZE=32 -DCPU=gfx1152 -DFAMILY=GFX11
 // RUN: %clang -E -dM -target amdgcn -mcpu=gfx1200 %s 2>&1 | FileCheck --check-prefixes=ARCH-GCN,FAST_FMAF %s -DWAVEFRONT_SIZE=32 -DCPU=gfx1200 -DFAMILY=GFX12
 // RUN: %clang -E -dM -target amdgcn -mcpu=gfx1201 %s 2>&1 | FileCheck --check-prefixes=ARCH-GCN,FAST_FMAF %s -DWAVEFRONT_SIZE=32 -DCPU=gfx1201 -DFAMILY=GFX12
 

diff --git a/clang/test/Driver/amdgpu-mcpu.cl b/clang/test/Driver/amdgpu-mcpu.cl
@@ -112,6 +112,7 @@
 // RUN: %clang -### -target amdgcn -mcpu=gfx1103 %s 2>&1 | FileCheck --check-prefix=GFX1103 %s
 // RUN: %clang -### -target amdgcn -mcpu=gfx1150 %s 2>&1 | FileCheck --check-prefix=GFX1150 %s
 // RUN: %clang -### -target amdgcn -mcpu=gfx1151 %s 2>&1 | FileCheck --check-prefix=GFX1151 %s
+// RUN: %clang -### -target amdgcn -mcpu=gfx1152 %s 2>&1 | FileCheck --check-prefix=GFX1152 %s
 // RUN: %clang -### -target amdgcn -mcpu=gfx1200 %s 2>&1 | FileCheck --check-prefix=GFX1200 %s
 // RUN: %clang -### -target amdgcn -mcpu=gfx1201 %s 2>&1 | FileCheck --check-prefix=GFX1201 %s
 
@@ -164,6 +165,7 @@
 // GFX1103:   "-target-cpu" "gfx1103"
 // GFX1150:   "-target-cpu" "gfx1150"
 // GFX1151:   "-target-cpu" "gfx1151"
+// GFX1152:   "-target-cpu" "gfx1152"
 // GFX1200:   "-target-cpu" "gfx1200"
 // GFX1201:   "-target-cpu" "gfx1201"
 

diff --git a/clang/test/Interpreter/pretty-print.c b/clang/test/Interpreter/pretty-print.c
@@ -0,0 +1,11 @@
+// REQUIRES: host-supports-jit
+// UNSUPPORTED: system-aix
+// RUN: cat %s | clang-repl -Xcc -xc  | FileCheck %s
+// RUN: cat %s | clang-repl -Xcc -std=c++11 | FileCheck %s
+
+// Fails with `Symbols not found: [ __clang_Interpreter_SetValueNoAlloc ]`.
+// UNSUPPORTED: hwasan
+
+const char* c_str = "Hello, world!"; c_str
+
+// CHECK: Not implement yet.
diff --git a/clang/test/Misc/target-invalid-cpu-note.c b/clang/test/Misc/target-invalid-cpu-note.c
@@ -5,11 +5,11 @@
 
 // RUN: not %clang_cc1 -triple arm64--- -target-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix AARCH64
 // AARCH64: error: unknown target CPU 'not-a-cpu'
-// AARCH64-NEXT: note: valid target CPU values are: cortex-a34, cortex-a35, cortex-a53, cortex-a55, cortex-a510, cortex-a520, cortex-a520ae, cortex-a57, cortex-a65, cortex-a65ae, cortex-a72, cortex-a73, cortex-a75, cortex-a76, cortex-a76ae, cortex-a77, cortex-a78, cortex-a78ae, cortex-a78c, cortex-a710, cortex-a715, cortex-a720, cortex-a720ae, cortex-r82, cortex-r82ae, cortex-x1, cortex-x1c, cortex-x2, cortex-x3, cortex-x4, neoverse-e1, neoverse-n1, neoverse-n2, neoverse-n3, neoverse-512tvb, neoverse-v1, neoverse-v2, neoverse-v3, neoverse-v3ae, cyclone, apple-a7, apple-a8, apple-a9, apple-a10, apple-a11, apple-a12, apple-a13, apple-a14, apple-a15, apple-a16, apple-a17, apple-m1, apple-m2, apple-m3, apple-s4, apple-s5, exynos-m3, exynos-m4, exynos-m5, falkor, saphira, kryo, thunderx2t99, thunderx3t110, thunderx, thunderxt88, thunderxt81, thunderxt83, tsv110, a64fx, carmel, ampere1, ampere1a, ampere1b, cobalt-100, grace{{$}}
+// AARCH64-NEXT: note: valid target CPU values are: cortex-a34, cortex-a35, cortex-a53, cortex-a55, cortex-a510, cortex-a520, cortex-a520ae, cortex-a57, cortex-a65, cortex-a65ae, cortex-a72, cortex-a73, cortex-a75, cortex-a76, cortex-a76ae, cortex-a77, cortex-a78, cortex-a78ae, cortex-a78c, cortex-a710, cortex-a715, cortex-a720, cortex-a720ae, cortex-r82, cortex-r82ae, cortex-x1, cortex-x1c, cortex-x2, cortex-x3, cortex-x4, neoverse-e1, neoverse-n1, neoverse-n2, neoverse-n3, neoverse-512tvb, neoverse-v1, neoverse-v2, neoverse-v3, neoverse-v3ae, cyclone, apple-a7, apple-a8, apple-a9, apple-a10, apple-a11, apple-a12, apple-a13, apple-a14, apple-a15, apple-a16, apple-a17, apple-m1, apple-m2, apple-m3, apple-s4, apple-s5, exynos-m3, exynos-m4, exynos-m5, falkor, saphira, kryo, thunderx2t99, thunderx3t110, thunderx, thunderxt88, thunderxt81, thunderxt83, tsv110, a64fx, carmel, ampere1, ampere1a, ampere1b, oryon-1, cobalt-100, grace{{$}}
 
 // RUN: not %clang_cc1 -triple arm64--- -tune-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix TUNE_AARCH64
 // TUNE_AARCH64: error: unknown target CPU 'not-a-cpu'
-// TUNE_AARCH64-NEXT: note: valid target CPU values are: cortex-a34, cortex-a35, cortex-a53, cortex-a55, cortex-a510, cortex-a520, cortex-a520ae, cortex-a57, cortex-a65, cortex-a65ae, cortex-a72, cortex-a73, cortex-a75, cortex-a76, cortex-a76ae, cortex-a77, cortex-a78, cortex-a78ae, cortex-a78c, cortex-a710, cortex-a715, cortex-a720, cortex-a720ae, cortex-r82, cortex-r82ae, cortex-x1, cortex-x1c, cortex-x2, cortex-x3, cortex-x4, neoverse-e1, neoverse-n1, neoverse-n2, neoverse-n3, neoverse-512tvb, neoverse-v1, neoverse-v2, neoverse-v3, neoverse-v3ae, cyclone, apple-a7, apple-a8, apple-a9, apple-a10, apple-a11, apple-a12, apple-a13, apple-a14, apple-a15, apple-a16, apple-a17, apple-m1, apple-m2, apple-m3, apple-s4, apple-s5, exynos-m3, exynos-m4, exynos-m5, falkor, saphira, kryo, thunderx2t99, thunderx3t110, thunderx, thunderxt88, thunderxt81, thunderxt83, tsv110, a64fx, carmel, ampere1, ampere1a, ampere1b, cobalt-100, grace{{$}}
+// TUNE_AARCH64-NEXT: note: valid target CPU values are: cortex-a34, cortex-a35, cortex-a53, cortex-a55, cortex-a510, cortex-a520, cortex-a520ae, cortex-a57, cortex-a65, cortex-a65ae, cortex-a72, cortex-a73, cortex-a75, cortex-a76, cortex-a76ae, cortex-a77, cortex-a78, cortex-a78ae, cortex-a78c, cortex-a710, cortex-a715, cortex-a720, cortex-a720ae, cortex-r82, cortex-r82ae, cortex-x1, cortex-x1c, cortex-x2, cortex-x3, cortex-x4, neoverse-e1, neoverse-n1, neoverse-n2, neoverse-n3, neoverse-512tvb, neoverse-v1, neoverse-v2, neoverse-v3, neoverse-v3ae, cyclone, apple-a7, apple-a8, apple-a9, apple-a10, apple-a11, apple-a12, apple-a13, apple-a14, apple-a15, apple-a16, apple-a17, apple-m1, apple-m2, apple-m3, apple-s4, apple-s5, exynos-m3, exynos-m4, exynos-m5, falkor, saphira, kryo, thunderx2t99, thunderx3t110, thunderx, thunderxt88, thunderxt81, thunderxt83, tsv110, a64fx, carmel, ampere1, ampere1a, ampere1b, oryon-1, cobalt-100, grace{{$}}
 
 // RUN: not %clang_cc1 -triple i386--- -target-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix X86
 // X86: error: unknown target CPU 'not-a-cpu'
@@ -29,15 +29,15 @@
 
 // RUN: not %clang_cc1 -triple nvptx--- -target-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix NVPTX
 // NVPTX: error: unknown target CPU 'not-a-cpu'
-// NVPTX-NEXT: note: valid target CPU values are: sm_20, sm_21, sm_30, sm_32, sm_35, sm_37, sm_50, sm_52, sm_53, sm_60, sm_61, sm_62, sm_70, sm_72, sm_75, sm_80, sm_86, sm_87, sm_89, sm_90, sm_90a, gfx600, gfx601, gfx602, gfx700, gfx701, gfx702, gfx703, gfx704, gfx705, gfx801, gfx802, gfx803, gfx805, gfx810, gfx9-generic, gfx900, gfx902, gfx904, gfx906, gfx908, gfx909, gfx90a, gfx90c, gfx940, gfx941, gfx942, gfx10-1-generic, gfx1010, gfx1011, gfx1012, gfx1013, gfx10-3-generic, gfx1030, gfx1031, gfx1032, gfx1033, gfx1034, gfx1035, gfx1036, gfx11-generic, gfx1100, gfx1101, gfx1102, gfx1103, gfx1150, gfx1151, gfx12-generic, gfx1200, gfx1201{{$}}
+// NVPTX-NEXT: note: valid target CPU values are: sm_20, sm_21, sm_30, sm_32, sm_35, sm_37, sm_50, sm_52, sm_53, sm_60, sm_61, sm_62, sm_70, sm_72, sm_75, sm_80, sm_86, sm_87, sm_89, sm_90, sm_90a, gfx600, gfx601, gfx602, gfx700, gfx701, gfx702, gfx703, gfx704, gfx705, gfx801, gfx802, gfx803, gfx805, gfx810, gfx9-generic, gfx900, gfx902, gfx904, gfx906, gfx908, gfx909, gfx90a, gfx90c, gfx940, gfx941, gfx942, gfx10-1-generic, gfx1010, gfx1011, gfx1012, gfx1013, gfx10-3-generic, gfx1030, gfx1031, gfx1032, gfx1033, gfx1034, gfx1035, gfx1036, gfx11-generic, gfx1100, gfx1101, gfx1102, gfx1103, gfx1150, gfx1151, gfx1152, gfx12-generic, gfx1200, gfx1201{{$}}
 
 // RUN: not %clang_cc1 -triple r600--- -target-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix R600
 // R600: error: unknown target CPU 'not-a-cpu'
 // R600-NEXT: note: valid target CPU values are: r600, rv630, rv635, r630, rs780, rs880, rv610, rv620, rv670, rv710, rv730, rv740, rv770, cedar, palm, cypress, hemlock, juniper, redwood, sumo, sumo2, barts, caicos, aruba, cayman, turks{{$}}
 
 // RUN: not %clang_cc1 -triple amdgcn--- -target-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix AMDGCN
 // AMDGCN: error: unknown target CPU 'not-a-cpu'
-// AMDGCN-NEXT: note: valid target CPU values are: gfx600, tahiti, gfx601, pitcairn, verde, gfx602, hainan, oland, gfx700, kaveri, gfx701, hawaii, gfx702, gfx703, kabini, mullins, gfx704, bonaire, gfx705, gfx801, carrizo, gfx802, iceland, tonga, gfx803, fiji, polaris10, polaris11, gfx805, tongapro, gfx810, stoney, gfx900, gfx902, gfx904, gfx906, gfx908, gfx909, gfx90a, gfx90c, gfx940, gfx941, gfx942, gfx1010, gfx1011, gfx1012, gfx1013, gfx1030, gfx1031, gfx1032, gfx1033, gfx1034, gfx1035, gfx1036, gfx1100, gfx1101, gfx1102, gfx1103, gfx1150, gfx1151, gfx1200, gfx1201, gfx9-generic, gfx10-1-generic, gfx10-3-generic, gfx11-generic, gfx12-generic{{$}}
+// AMDGCN-NEXT: note: valid target CPU values are: gfx600, tahiti, gfx601, pitcairn, verde, gfx602, hainan, oland, gfx700, kaveri, gfx701, hawaii, gfx702, gfx703, kabini, mullins, gfx704, bonaire, gfx705, gfx801, carrizo, gfx802, iceland, tonga, gfx803, fiji, polaris10, polaris11, gfx805, tongapro, gfx810, stoney, gfx900, gfx902, gfx904, gfx906, gfx908, gfx909, gfx90a, gfx90c, gfx940, gfx941, gfx942, gfx1010, gfx1011, gfx1012, gfx1013, gfx1030, gfx1031, gfx1032, gfx1033, gfx1034, gfx1035, gfx1036, gfx1100, gfx1101, gfx1102, gfx1103, gfx1150, gfx1151, gfx1152, gfx1200, gfx1201, gfx9-generic, gfx10-1-generic, gfx10-3-generic, gfx11-generic, gfx12-generic{{$}}
 
 // RUN: not %clang_cc1 -triple wasm64--- -target-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix WEBASM
 // WEBASM: error: unknown target CPU 'not-a-cpu'

diff --git a/clang/test/SemaCXX/attr-weak.cpp b/clang/test/SemaCXX/attr-weak.cpp
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fsyntax-only -verify -std=c++11 %s
+// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fsyntax-only -verify -std=c++11 %s -fexperimental-new-constant-interpreter
 
 static int test0 __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}}
 static void test1() __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}}