diff --git a/clang-tools-extra/clang-tidy/tool/ClangTidyMain.cpp b/clang-tools-extra/clang-tidy/tool/ClangTidyMain.cpp
@@ -53,6 +53,7 @@ Configuration files:
   Checks                       - Same as '--checks'. Additionally, the list of
                                  globs can be specified as a list instead of a
                                  string.
+  ExcludeHeaderFilterRegex     - Same as '--exclude-header-filter'.
   ExtraArgs                    - Same as '--extra-args'.
   ExtraArgsBefore              - Same as '--extra-args-before'.
   FormatStyle                  - Same as '--format-style'.
@@ -132,6 +133,20 @@ option in .clang-tidy file, if any.
                                          cl::init(""),
                                          cl::cat(ClangTidyCategory));
 
+static cl::opt<std::string> ExcludeHeaderFilter("exclude-header-filter",
+                                                desc(R"(
+Regular expression matching the names of the
+headers to exclude diagnostics from. Diagnostics
+from the main file of each translation unit are
+always displayed.
+Must be used together with --header-filter.
+Can be used together with -line-filter.
+This option overrides the 'ExcludeHeaderFilterRegex'
+option in .clang-tidy file, if any.
+)"),
+                                                cl::init(""),
+                                                cl::cat(ClangTidyCategory));
+
 static cl::opt<bool> SystemHeaders("system-headers", desc(R"(
 Display the errors from system headers.
 This option overrides the 'SystemHeaders' option
@@ -353,6 +368,7 @@ static std::unique_ptr<ClangTidyOptionsProvider> createOptionsProvider(
   DefaultOptions.Checks = DefaultChecks;
   DefaultOptions.WarningsAsErrors = "";
   DefaultOptions.HeaderFilterRegex = HeaderFilter;
+  DefaultOptions.ExcludeHeaderFilterRegex = ExcludeHeaderFilter;
   DefaultOptions.SystemHeaders = SystemHeaders;
   DefaultOptions.FormatStyle = FormatStyle;
   DefaultOptions.User = llvm::sys::Process::GetEnv("USER");
@@ -367,6 +383,8 @@ static std::unique_ptr<ClangTidyOptionsProvider> createOptionsProvider(
     OverrideOptions.WarningsAsErrors = WarningsAsErrors;
   if (HeaderFilter.getNumOccurrences() > 0)
     OverrideOptions.HeaderFilterRegex = HeaderFilter;
+  if (ExcludeHeaderFilter.getNumOccurrences() > 0)
+    OverrideOptions.ExcludeHeaderFilterRegex = ExcludeHeaderFilter;
   if (SystemHeaders.getNumOccurrences() > 0)
     OverrideOptions.SystemHeaders = SystemHeaders;
   if (FormatStyle.getNumOccurrences() > 0)

diff --git a/clang-tools-extra/clang-tidy/tool/run-clang-tidy.py b/clang-tools-extra/clang-tidy/tool/run-clang-tidy.py
@@ -106,11 +106,14 @@ def get_tidy_invocation(
     use_color,
     plugins,
     warnings_as_errors,
+    exclude_header_filter,
 ):
     """Gets a command line for clang-tidy."""
     start = [clang_tidy_binary]
     if allow_enabling_alpha_checkers:
         start.append("-allow-enabling-analyzer-alpha-checkers")
+    if exclude_header_filter is not None:
+        start.append("--exclude-header-filter=" + exclude_header_filter)
     if header_filter is not None:
         start.append("-header-filter=" + header_filter)
     if line_filter is not None:
@@ -228,6 +231,7 @@ def run_tidy(args, clang_tidy_binary, tmpdir, build_path, queue, lock, failed_fi
             args.use_color,
             args.plugins,
             args.warnings_as_errors,
+            args.exclude_header_filter,
         )
 
         proc = subprocess.Popen(
@@ -292,6 +296,14 @@ def main():
         "-config option after reading specified config file. "
         "Use either -config-file or -config, not both.",
     )
+    parser.add_argument(
+        "-exclude-header-filter",
+        default=None,
+        help="Regular expression matching the names of the "
+        "headers to exclude diagnostics from. Diagnostics from "
+        "the main file of each translation unit are always "
+        "displayed.",
+    )
     parser.add_argument(
         "-header-filter",
         default=None,
@@ -450,6 +462,7 @@ def main():
             args.use_color,
             args.plugins,
             args.warnings_as_errors,
+            args.exclude_header_filter,
         )
         invocation.append("-list-checks")
         invocation.append("-")

diff --git a/clang-tools-extra/clangd/unittests/SelectionTests.cpp b/clang-tools-extra/clangd/unittests/SelectionTests.cpp
@@ -589,6 +589,12 @@ TEST(SelectionTest, CommonAncestor) {
         auto x = [[ns::^C<int>]];
       )cpp",
        "ConceptReference"},
+      {R"cpp(
+        template <typename T, typename K>
+        concept D = true;
+        template <typename T> void g(D<[[^T]]> auto abc) {}
+      )cpp",
+       "TemplateTypeParmTypeLoc"},
   };
 
   for (const Case &C : Cases) {

diff --git a/clang-tools-extra/docs/ReleaseNotes.rst b/clang-tools-extra/docs/ReleaseNotes.rst
@@ -115,6 +115,9 @@ Improvements to clang-tidy
 - Fixed `--verify-config` option not properly parsing checks when using the
   literal operator in the `.clang-tidy` config.
 
+- Added argument `--exclude-header-filter` and config option `ExcludeHeaderFilterRegex`
+  to exclude headers from analysis via a RegEx.
+
 New checks
 ^^^^^^^^^^
 

diff --git a/clang-tools-extra/docs/clang-tidy/index.rst b/clang-tools-extra/docs/clang-tidy/index.rst
diff --git a/clang-tools-extra/test/clang-tidy/check_clang_tidy.py b/clang-tools-extra/test/clang-tidy/check_clang_tidy.py
@@ -99,6 +99,7 @@ def __init__(self, args, extra_args):
         self.has_check_fixes = False
         self.has_check_messages = False
         self.has_check_notes = False
+        self.expect_no_diagnosis = False
         self.export_fixes = args.export_fixes
         self.fixes = MessagePrefix("CHECK-FIXES")
         self.messages = MessagePrefix("CHECK-MESSAGES")
@@ -172,12 +173,21 @@ def get_prefixes(self):
                 )
 
             if not has_check_fix and not has_check_message and not has_check_note:
-                sys.exit(
-                    "%s, %s or %s not found in the input"
-                    % (self.fixes.prefix, self.messages.prefix, self.notes.prefix)
-                )
+                self.expect_no_diagnosis = True
 
-        assert self.has_check_fixes or self.has_check_messages or self.has_check_notes
+        expect_diagnosis = (
+            self.has_check_fixes or self.has_check_messages or self.has_check_notes
+        )
+        if self.expect_no_diagnosis and expect_diagnosis:
+            sys.exit(
+                "%s, %s or %s not found in the input"
+                % (
+                    self.fixes.prefix,
+                    self.messages.prefix,
+                    self.notes.prefix,
+                )
+            )
+        assert expect_diagnosis or self.expect_no_diagnosis
 
     def prepare_test_inputs(self):
         # Remove the contents of the CHECK lines to avoid CHECKs matching on
@@ -226,6 +236,10 @@ def run_clang_tidy(self):
         print("------------------------------------------------------------------")
         return clang_tidy_output
 
+    def check_no_diagnosis(self, clang_tidy_output):
+        if clang_tidy_output != "":
+            sys.exit("No diagnostics were expected, but found the ones above")
+
     def check_fixes(self):
         if self.has_check_fixes:
             try_run(
@@ -277,7 +291,9 @@ def run(self):
             self.get_prefixes()
         self.prepare_test_inputs()
         clang_tidy_output = self.run_clang_tidy()
-        if self.export_fixes is None:
+        if self.expect_no_diagnosis:
+            self.check_no_diagnosis(clang_tidy_output)
+        elif self.export_fixes is None:
             self.check_fixes()
             self.check_messages(clang_tidy_output)
             self.check_notes(clang_tidy_output)

diff --git a/clang-tools-extra/test/clang-tidy/checkers/misc/unused-using-decls.hpp b/clang-tools-extra/test/clang-tidy/checkers/misc/unused-using-decls.hpp
@@ -0,0 +1,6 @@
+// RUN: %check_clang_tidy %s misc-unused-using-decls %t
+
+// Verify that we don't generate the warnings on header files.
+namespace foo { class Foo {}; }
+
+using foo::Foo;
diff --git a/clang-tools-extra/test/clang-tidy/checkers/misc/unused-using-decls.hxx b/clang-tools-extra/test/clang-tidy/checkers/misc/unused-using-decls.hxx
diff --git a/clang-tools-extra/test/clang-tidy/infrastructure/Inputs/config-files/.clang-tidy b/clang-tools-extra/test/clang-tidy/infrastructure/Inputs/config-files/.clang-tidy
@@ -1,2 +1,3 @@
 Checks: 'from-parent'
 HeaderFilterRegex: 'parent'
+ExcludeHeaderFilterRegex: 'exc-parent'
diff --git a/clang-tools-extra/test/clang-tidy/infrastructure/Inputs/config-files/1/.clang-tidy b/clang-tools-extra/test/clang-tidy/infrastructure/Inputs/config-files/1/.clang-tidy
@@ -1,2 +1,3 @@
 Checks: 'from-child1'
 HeaderFilterRegex: 'child1'
+ExcludeHeaderFilterRegex: 'exc-child1'
diff --git a/clang-tools-extra/test/clang-tidy/infrastructure/Inputs/config-files/3/.clang-tidy b/clang-tools-extra/test/clang-tidy/infrastructure/Inputs/config-files/3/.clang-tidy
@@ -1,3 +1,4 @@
 InheritParentConfig: true
 Checks: 'from-child3'
 HeaderFilterRegex: 'child3'
+ExcludeHeaderFilterRegex: 'exc-child3'
diff --git a/clang-tools-extra/test/clang-tidy/infrastructure/config-files.cpp b/clang-tools-extra/test/clang-tidy/infrastructure/config-files.cpp
@@ -1,18 +1,23 @@
 // RUN: clang-tidy -dump-config %S/Inputs/config-files/- -- | FileCheck %s -check-prefix=CHECK-BASE
 // CHECK-BASE: Checks: {{.*}}from-parent
 // CHECK-BASE: HeaderFilterRegex: parent
+// CHECK-BASE: ExcludeHeaderFilterRegex: exc-parent
 // RUN: clang-tidy -dump-config %S/Inputs/config-files/1/- -- | FileCheck %s -check-prefix=CHECK-CHILD1
 // CHECK-CHILD1: Checks: {{.*}}from-child1
 // CHECK-CHILD1: HeaderFilterRegex: child1
+// CHECK-CHILD1: ExcludeHeaderFilterRegex: exc-child1
 // RUN: clang-tidy -dump-config %S/Inputs/config-files/2/- -- | FileCheck %s -check-prefix=CHECK-CHILD2
 // CHECK-CHILD2: Checks: {{.*}}from-parent
 // CHECK-CHILD2: HeaderFilterRegex: parent
+// CHECK-CHILD2: ExcludeHeaderFilterRegex: exc-parent
 // RUN: clang-tidy -dump-config %S/Inputs/config-files/3/- -- | FileCheck %s -check-prefix=CHECK-CHILD3
 // CHECK-CHILD3: Checks: {{.*}}from-parent,from-child3
 // CHECK-CHILD3: HeaderFilterRegex: child3
-// RUN: clang-tidy -dump-config -checks='from-command-line' -header-filter='from command line' %S/Inputs/config-files/- -- | FileCheck %s -check-prefix=CHECK-COMMAND-LINE
+// CHECK-CHILD3: ExcludeHeaderFilterRegex: exc-child3
+// RUN: clang-tidy -dump-config -checks='from-command-line' -header-filter='from command line' -exclude-header-filter='from_command_line' %S/Inputs/config-files/- -- | FileCheck %s -check-prefix=CHECK-COMMAND-LINE
 // CHECK-COMMAND-LINE: Checks: {{.*}}from-parent,from-command-line
 // CHECK-COMMAND-LINE: HeaderFilterRegex: from command line
+// CHECK-COMMAND-LINE: ExcludeHeaderFilterRegex: from_command_line
 
 // For this test we have to use names of the real checks because otherwise values are ignored.
 // Running with the old key: <Key>, value: <value> CheckOptions
@@ -68,3 +73,11 @@
 // Dumped config does not overflow for unsigned options
 // RUN: clang-tidy --dump-config %S/Inputs/config-files/5/- -- | FileCheck %s -check-prefix=CHECK-OVERFLOW
 // CHECK-OVERFLOW: misc-throw-by-value-catch-by-reference.MaxSize: '1152921504606846976'
+
+// RUN: clang-tidy -dump-config -checks='readability-function-size' -header-filter='foo/*' -exclude-header-filter='bar*' %S/Inputs/config-files/- -- | FileCheck %s -check-prefix=CHECK-EXCLUDE-HEADERS
+// CHECK-EXCLUDE-HEADERS: HeaderFilterRegex: 'foo/*'
+// CHECK-EXCLUDE-HEADERS: ExcludeHeaderFilterRegex: 'bar*'
+
+// RUN: clang-tidy -dump-config -checks='readability-function-size' -header-filter='' -exclude-header-filter='' %S/Inputs/config-files/- -- | FileCheck %s -check-prefix=EMPTY-CHECK-EXCLUDE-HEADERS
+// EMPTY-CHECK-EXCLUDE-HEADERS: HeaderFilterRegex: ''
+// EMPTY-CHECK-EXCLUDE-HEADERS: ExcludeHeaderFilterRegex: ''
diff --git a/clang-tools-extra/test/clang-tidy/infrastructure/file-filter.cpp b/clang-tools-extra/test/clang-tidy/infrastructure/file-filter.cpp
@@ -11,6 +11,7 @@
 // RUN: clang-tidy -checks='-*,google-explicit-constructor' -header-filter='.*' -system-headers -quiet %s -- -I %S/Inputs/file-filter/system/.. -isystem %S/Inputs/file-filter/system 2>&1 | FileCheck --check-prefix=CHECK4-QUIET %s
 // RUN: clang-tidy -checks='-*,cppcoreguidelines-pro-type-cstyle-cast' -header-filter='.*' -system-headers %s -- -I %S/Inputs/file-filter/system/.. -isystem %S/Inputs/file-filter/system 2>&1 | FileCheck --check-prefix=CHECK5 %s
 // RUN: clang-tidy -checks='-*,cppcoreguidelines-pro-type-cstyle-cast' -header-filter='.*' %s -- -I %S/Inputs/file-filter/system/.. -isystem %S/Inputs/file-filter/system 2>&1 | FileCheck --check-prefix=CHECK5-NO-SYSTEM-HEADERS %s
+// RUN: clang-tidy -checks='-*,google-explicit-constructor' -header-filter='.*' -exclude-header-filter='header1\.h' %s -- -I %S/Inputs/file-filter/ -isystem %S/Inputs/file-filter/system 2>&1 | FileCheck --check-prefix=CHECK6 %s
 
 #include "header1.h"
 // CHECK-NOT: warning:
@@ -21,6 +22,7 @@
 // CHECK3-QUIET-NOT: warning:
 // CHECK4: header1.h:1:12: warning: single-argument constructors
 // CHECK4-QUIET: header1.h:1:12: warning: single-argument constructors
+// CHECK6-NOT: warning:
 
 #include "header2.h"
 // CHECK-NOT: warning:
@@ -31,6 +33,7 @@
 // CHECK3-QUIET: header2.h:1:12: warning: single-argument constructors
 // CHECK4: header2.h:1:12: warning: single-argument constructors
 // CHECK4-QUIET: header2.h:1:12: warning: single-argument constructors
+// CHECK6: header2.h:1:12: warning: single-argument constructors
 
 #include <system-header.h>
 // CHECK-NOT: warning:
@@ -41,6 +44,7 @@
 // CHECK3-QUIET-NOT: warning:
 // CHECK4: system-header.h:1:12: warning: single-argument constructors
 // CHECK4-QUIET: system-header.h:1:12: warning: single-argument constructors
+// CHECK6-NOT: warning:
 
 class A { A(int); };
 // CHECK: :[[@LINE-1]]:11: warning: single-argument constructors
@@ -51,6 +55,7 @@ class A { A(int); };
 // CHECK3-QUIET: :[[@LINE-6]]:11: warning: single-argument constructors
 // CHECK4: :[[@LINE-7]]:11: warning: single-argument constructors
 // CHECK4-QUIET: :[[@LINE-8]]:11: warning: single-argument constructors
+// CHECK6: :[[@LINE-9]]:11: warning: single-argument constructors
 
 // CHECK-NOT: warning:
 // CHECK-QUIET-NOT: warning:
@@ -73,6 +78,8 @@ class A { A(int); };
 // CHECK4-NOT: Suppressed {{.*}} warnings
 // CHECK4-NOT: Use -header-filter=.* {{.*}}
 // CHECK4-QUIET-NOT: Suppressed
+// CHECK6: Suppressed 2 warnings (2 in non-user code)
+// CHECK6: Use -header-filter=.* {{.*}}
 
 int x = 123;
 auto x_ptr = TO_FLOAT_PTR(&x);

diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
@@ -55,6 +55,9 @@ C++ Specific Potentially Breaking Changes
 
 - Clang now rejects pointer to member from parenthesized expression in unevaluated context such as ``decltype(&(foo::bar))``. (#GH40906).
 
+- Clang now performs semantic analysis for unary operators with dependent operands
+  that are known to be of non-class non-enumeration type prior to instantiation.
+
 ABI Changes in This Version
 ---------------------------
 - Fixed Microsoft name mangling of implicitly defined variables used for thread
@@ -715,6 +718,7 @@ Bug Fixes to AST Handling
 ^^^^^^^^^^^^^^^^^^^^^^^^^
 - Clang now properly preserves ``FoundDecls`` within a ``ConceptReference``. (#GH82628)
 - The presence of the ``typename`` keyword is now stored in ``TemplateTemplateParmDecl``.
+- Fixed malformed AST generated for anonymous union access in templates. (#GH90842)
 
 Miscellaneous Bug Fixes
 ^^^^^^^^^^^^^^^^^^^^^^^

diff --git a/clang/include/clang/AST/Type.h b/clang/include/clang/AST/Type.h
@@ -8044,7 +8044,10 @@ inline bool Type::isUndeducedType() const {
 /// Determines whether this is a type for which one can define
 /// an overloaded operator.
 inline bool Type::isOverloadableType() const {
-  return isDependentType() || isRecordType() || isEnumeralType();
+  if (!CanonicalType->isDependentType())
+    return isRecordType() || isEnumeralType();
+  return !isArrayType() && !isFunctionType() && !isAnyPointerType() &&
+         !isMemberPointerType();
 }
 
 /// Determines whether this type is written as a typedef-name.

diff --git a/clang/include/clang/Driver/Driver.h b/clang/include/clang/Driver/Driver.h
@@ -747,6 +747,9 @@ class Driver {
   /// option.
   void setDriverMode(StringRef DriverModeValue);
 
+  /// Set the resource directory, depending on which driver is being used.
+  void setResourceDirectory();
+
   /// Parse the \p Args list for LTO options and record the type of LTO
   /// compilation based on which -f(no-)?lto(=.*)? option occurs last.
   void setLTOMode(const llvm::opt::ArgList &Args);

diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
@@ -1858,13 +1858,13 @@ defm apinotes : BoolOption<"f", "apinotes",
     LangOpts<"APINotes">, DefaultFalse,
     PosFlag<SetTrue, [], [ClangOption], "Enable">,
     NegFlag<SetFalse, [], [ClangOption], "Disable">,
-    BothFlags<[], [ClangOption, CC1Option], "external API notes support">>,
+    BothFlags<[], [ClangOption, CC1Option], " external API notes support">>,
     Group<f_clang_Group>;
 defm apinotes_modules : BoolOption<"f", "apinotes-modules",
     LangOpts<"APINotesModules">, DefaultFalse,
     PosFlag<SetTrue, [], [ClangOption], "Enable">,
     NegFlag<SetFalse, [], [ClangOption], "Disable">,
-    BothFlags<[], [ClangOption, CC1Option], "module-based external API notes support">>,
+    BothFlags<[], [ClangOption, CC1Option], " module-based external API notes support">>,
     Group<f_clang_Group>;
 def fapinotes_swift_version : Joined<["-"], "fapinotes-swift-version=">,
   Group<f_clang_Group>, Visibility<[ClangOption, CC1Option]>,
@@ -5491,7 +5491,10 @@ def print_prog_name_EQ : Joined<["-", "--"], "print-prog-name=">,
   Visibility<[ClangOption, CLOption]>;
 def print_resource_dir : Flag<["-", "--"], "print-resource-dir">,
   HelpText<"Print the resource directory pathname">,
-  Visibility<[ClangOption, CLOption]>;
+  HelpTextForVariants<[FlangOption],
+                      "Print the resource directory pathname that contains lib and "
+                      "include directories with the runtime libraries and MODULE files.">,
+  Visibility<[ClangOption, CLOption, FlangOption]>;
 def print_search_dirs : Flag<["-", "--"], "print-search-dirs">,
   HelpText<"Print the paths used for finding libraries and programs">,
   Visibility<[ClangOption, CLOption]>;

diff --git a/clang/lib/AST/ComputeDependence.cpp b/clang/lib/AST/ComputeDependence.cpp
@@ -375,12 +375,19 @@ ExprDependence clang::computeDependence(PackExpansionExpr *E) {
 }
 
 ExprDependence clang::computeDependence(PackIndexingExpr *E) {
+
+  ExprDependence PatternDep = E->getPackIdExpression()->getDependence() &
+                              ~ExprDependence::UnexpandedPack;
+
   ExprDependence D = E->getIndexExpr()->getDependence();
+  if (D & ExprDependence::TypeValueInstantiation)
+    D |= E->getIndexExpr()->getDependence() | PatternDep |
+         ExprDependence::Instantiation;
+
   ArrayRef<Expr *> Exprs = E->getExpressions();
   if (Exprs.empty())
-    D |= (E->getPackIdExpression()->getDependence() |
-          ExprDependence::TypeValueInstantiation) &
-         ~ExprDependence::UnexpandedPack;
+    D |= PatternDep | ExprDependence::Instantiation;
+
   else if (!E->getIndexExpr()->isInstantiationDependent()) {
     std::optional<unsigned> Index = E->getSelectedIndex();
     assert(Index && *Index < Exprs.size() && "pack index out of bound");

diff --git a/clang/lib/AST/Interp/Interp.h b/clang/lib/AST/Interp/Interp.h
@@ -1569,9 +1569,7 @@ bool OffsetHelper(InterpState &S, CodePtr OpPC, const T &Offset,
     APSInt NewIndex =
         (Op == ArithOp::Add) ? (APIndex + APOffset) : (APIndex - APOffset);
     S.CCEDiag(S.Current->getSource(OpPC), diag::note_constexpr_array_index)
-        << NewIndex
-        << /*array*/ static_cast<int>(!Ptr.inArray())
-        << static_cast<unsigned>(MaxIndex);
+        << NewIndex << /*array*/ static_cast<int>(!Ptr.inArray()) << MaxIndex;
     Invalid = true;
   };
 
@@ -1598,7 +1596,7 @@ bool OffsetHelper(InterpState &S, CodePtr OpPC, const T &Offset,
     }
   }
 
-  if (Invalid && !Ptr.isDummy() && S.getLangOpts().CPlusPlus)
+  if (Invalid && S.getLangOpts().CPlusPlus)
     return false;
 
   // Offset is valid - compute it on unsigned.
@@ -2110,6 +2108,9 @@ inline bool ArrayDecay(InterpState &S, CodePtr OpPC) {
     return true;
   }
 
+  if (!CheckRange(S, OpPC, Ptr, CSK_ArrayToPointer))
+    return false;
+
   if (!Ptr.isUnknownSizeArray() || Ptr.isDummy()) {
     S.Stk.push<Pointer>(Ptr.atIndex(0));
     return true;

diff --git a/clang/lib/AST/Interp/InterpBlock.h b/clang/lib/AST/Interp/InterpBlock.h
@@ -51,11 +51,15 @@ class Block final {
   /// Creates a new block.
   Block(const std::optional<unsigned> &DeclID, const Descriptor *Desc,
         bool IsStatic = false, bool IsExtern = false)
-      : DeclID(DeclID), IsStatic(IsStatic), IsExtern(IsExtern), Desc(Desc) {}
+      : DeclID(DeclID), IsStatic(IsStatic), IsExtern(IsExtern), Desc(Desc) {
+        assert(Desc);
+      }
 
   Block(const Descriptor *Desc, bool IsStatic = false, bool IsExtern = false)
       : DeclID((unsigned)-1), IsStatic(IsStatic), IsExtern(IsExtern),
-        Desc(Desc) {}
+        Desc(Desc) {
+          assert(Desc);
+        }
 
   /// Returns the block's descriptor.
   const Descriptor *getDescriptor() const { return Desc; }

diff --git a/clang/lib/AST/Interp/Pointer.cpp b/clang/lib/AST/Interp/Pointer.cpp
@@ -181,12 +181,12 @@ void Pointer::print(llvm::raw_ostream &OS) const {
   if (isBlockPointer()) {
     OS << "Block) {";
 
-    if (PointeeStorage.BS.Base == RootPtrMark)
-      OS << "rootptr, ";
+    if (isRoot())
+      OS << "rootptr(" << PointeeStorage.BS.Base << "), ";
     else
       OS << PointeeStorage.BS.Base << ", ";
 
-    if (Offset == PastEndMark)
+    if (isElementPastEnd())
       OS << "pastend, ";
     else
       OS << Offset << ", ";

diff --git a/clang/lib/AST/Interp/Pointer.h b/clang/lib/AST/Interp/Pointer.h
@@ -384,11 +384,6 @@ class Pointer {
   bool isUnknownSizeArray() const {
     if (!isBlockPointer())
       return false;
-    // If this points inside a dummy block, return true.
-    // FIXME: This might change in the future. If it does, we need
-    // to set the proper Ctor/Dtor functions for dummy Descriptors.
-    if (!isRoot() && isDummy())
-      return true;
     return getFieldDesc()->isUnknownSizeArray();
   }
   /// Checks if the pointer points to an array.
@@ -560,8 +555,6 @@ class Pointer {
 
     if (!asBlockPointer().Pointee)
       return false;
-    if (isDummy())
-      return false;
 
     return isElementPastEnd() || getSize() == getOffset();
   }

diff --git a/clang/lib/AST/Interp/Program.cpp b/clang/lib/AST/Interp/Program.cpp
@@ -144,8 +144,12 @@ std::optional<unsigned> Program::getOrCreateDummy(const ValueDecl *VD) {
   if (auto It = DummyVariables.find(VD); It != DummyVariables.end())
     return It->second;
 
+  QualType QT = VD->getType();
+  if (const auto *RT = QT->getAs<ReferenceType>())
+    QT = RT->getPointeeType();
+
   Descriptor *Desc;
-  if (std::optional<PrimType> T = Ctx.classify(VD->getType()))
+  if (std::optional<PrimType> T = Ctx.classify(QT))
     Desc = createDescriptor(VD, *T, std::nullopt, true, false);
   else
     Desc = createDescriptor(VD, VD->getType().getTypePtr(), std::nullopt, true,
@@ -372,7 +376,7 @@ Descriptor *Program::createDescriptor(const DeclTy &D, const Type *Ty,
         // Arrays of composites. In this case, the array is a list of pointers,
         // followed by the actual elements.
         const Descriptor *ElemDesc = createDescriptor(
-            D, ElemTy.getTypePtr(), MDSize, IsConst, IsTemporary);
+            D, ElemTy.getTypePtr(), std::nullopt, IsConst, IsTemporary);
         if (!ElemDesc)
           return nullptr;
         unsigned ElemSize =

diff --git a/clang/lib/AST/OpenACCClause.cpp b/clang/lib/AST/OpenACCClause.cpp
@@ -473,7 +473,7 @@ void OpenACCClausePrinter::VisitDeviceTypeClause(
                           if (Arch.first == nullptr)
                             OS << "*";
                           else
-                            OS << Arch.first;
+                            OS << Arch.first->getName();
                         });
   OS << ")";
 }
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -1141,91 +1141,8 @@ struct BitTest {
   static BitTest decodeBitTestBuiltin(unsigned BuiltinID);
 };
 
-// Returns the first convergence entry/loop/anchor instruction found in |BB|.
-// std::nullptr otherwise.
-llvm::IntrinsicInst *getConvergenceToken(llvm::BasicBlock *BB) {
-  for (auto &I : *BB) {
-    auto *II = dyn_cast<llvm::IntrinsicInst>(&I);
-    if (II && isConvergenceControlIntrinsic(II->getIntrinsicID()))
-      return II;
-  }
-  return nullptr;
-}
-
 } // namespace
 
-llvm::CallBase *
-CodeGenFunction::addConvergenceControlToken(llvm::CallBase *Input,
-                                            llvm::Value *ParentToken) {
-  llvm::Value *bundleArgs[] = {ParentToken};
-  llvm::OperandBundleDef OB("convergencectrl", bundleArgs);
-  auto Output = llvm::CallBase::addOperandBundle(
-      Input, llvm::LLVMContext::OB_convergencectrl, OB, Input);
-  Input->replaceAllUsesWith(Output);
-  Input->eraseFromParent();
-  return Output;
-}
-
-llvm::IntrinsicInst *
-CodeGenFunction::emitConvergenceLoopToken(llvm::BasicBlock *BB,
-                                          llvm::Value *ParentToken) {
-  CGBuilderTy::InsertPoint IP = Builder.saveIP();
-  Builder.SetInsertPoint(&BB->front());
-  auto CB = Builder.CreateIntrinsic(
-      llvm::Intrinsic::experimental_convergence_loop, {}, {});
-  Builder.restoreIP(IP);
-
-  auto I = addConvergenceControlToken(CB, ParentToken);
-  return cast<llvm::IntrinsicInst>(I);
-}
-
-llvm::IntrinsicInst *
-CodeGenFunction::getOrEmitConvergenceEntryToken(llvm::Function *F) {
-  auto *BB = &F->getEntryBlock();
-  auto *token = getConvergenceToken(BB);
-  if (token)
-    return token;
-
-  // Adding a convergence token requires the function to be marked as
-  // convergent.
-  F->setConvergent();
-
-  CGBuilderTy::InsertPoint IP = Builder.saveIP();
-  Builder.SetInsertPoint(&BB->front());
-  auto I = Builder.CreateIntrinsic(
-      llvm::Intrinsic::experimental_convergence_entry, {}, {});
-  assert(isa<llvm::IntrinsicInst>(I));
-  Builder.restoreIP(IP);
-
-  return cast<llvm::IntrinsicInst>(I);
-}
-
-llvm::IntrinsicInst *
-CodeGenFunction::getOrEmitConvergenceLoopToken(const LoopInfo *LI) {
-  assert(LI != nullptr);
-
-  auto *token = getConvergenceToken(LI->getHeader());
-  if (token)
-    return token;
-
-  llvm::IntrinsicInst *PII =
-      LI->getParent()
-          ? emitConvergenceLoopToken(
-                LI->getHeader(), getOrEmitConvergenceLoopToken(LI->getParent()))
-          : getOrEmitConvergenceEntryToken(LI->getHeader()->getParent());
-
-  return emitConvergenceLoopToken(LI->getHeader(), PII);
-}
-
-llvm::CallBase *
-CodeGenFunction::addControlledConvergenceToken(llvm::CallBase *Input) {
-  llvm::Value *ParentToken =
-      LoopStack.hasInfo()
-          ? getOrEmitConvergenceLoopToken(&LoopStack.getInfo())
-          : getOrEmitConvergenceEntryToken(Input->getFunction());
-  return addConvergenceControlToken(Input, ParentToken);
-}
-
 BitTest BitTest::decodeBitTestBuiltin(unsigned BuiltinID) {
   switch (BuiltinID) {
     // Main portable variants.
@@ -18402,12 +18319,9 @@ Value *CodeGenFunction::EmitHLSLBuiltinExpr(unsigned BuiltinID,
         ArrayRef<Value *>{Op0}, nullptr, "dx.rsqrt");
   }
   case Builtin::BI__builtin_hlsl_wave_get_lane_index: {
-    auto *CI = EmitRuntimeCall(CGM.CreateRuntimeFunction(
+    return EmitRuntimeCall(CGM.CreateRuntimeFunction(
         llvm::FunctionType::get(IntTy, {}, false), "__hlsl_wave_get_lane_index",
         {}, false, true));
-    if (getTarget().getTriple().isSPIRVLogical())
-      CI = dyn_cast<CallInst>(addControlledConvergenceToken(CI));
-    return CI;
   }
   }
   return nullptr;

diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp
@@ -4830,6 +4830,9 @@ llvm::CallInst *CodeGenFunction::EmitRuntimeCall(llvm::FunctionCallee callee,
   llvm::CallInst *call = Builder.CreateCall(
       callee, args, getBundlesForFunclet(callee.getCallee()), name);
   call->setCallingConv(getRuntimeCC());
+
+  if (CGM.shouldEmitConvergenceTokens() && call->isConvergent())
+    return addControlledConvergenceToken(call);
   return call;
 }
 
@@ -5730,7 +5733,7 @@ RValue CodeGenFunction::EmitCall(const CGFunctionInfo &CallInfo,
   if (!CI->getType()->isVoidTy())
     CI->setName("call");
 
-  if (getTarget().getTriple().isSPIRVLogical() && CI->isConvergent())
+  if (CGM.shouldEmitConvergenceTokens() && CI->isConvergent())
     CI = addControlledConvergenceToken(CI);
 
   // Update largest vector width from the return type.

diff --git a/clang/lib/CodeGen/CGStmt.cpp b/clang/lib/CodeGen/CGStmt.cpp
@@ -978,6 +978,10 @@ void CodeGenFunction::EmitWhileStmt(const WhileStmt &S,
   JumpDest LoopHeader = getJumpDestInCurrentScope("while.cond");
   EmitBlock(LoopHeader.getBlock());
 
+  if (CGM.shouldEmitConvergenceTokens())
+    ConvergenceTokenStack.push_back(emitConvergenceLoopToken(
+        LoopHeader.getBlock(), ConvergenceTokenStack.back()));
+
   // Create an exit block for when the condition fails, which will
   // also become the break target.
   JumpDest LoopExit = getJumpDestInCurrentScope("while.end");
@@ -1079,6 +1083,9 @@ void CodeGenFunction::EmitWhileStmt(const WhileStmt &S,
   // block.
   if (llvm::EnableSingleByteCoverage)
     incrementProfileCounter(&S);
+
+  if (CGM.shouldEmitConvergenceTokens())
+    ConvergenceTokenStack.pop_back();
 }
 
 void CodeGenFunction::EmitDoStmt(const DoStmt &S,
@@ -1098,6 +1105,11 @@ void CodeGenFunction::EmitDoStmt(const DoStmt &S,
     EmitBlockWithFallThrough(LoopBody, S.getBody());
   else
     EmitBlockWithFallThrough(LoopBody, &S);
+
+  if (CGM.shouldEmitConvergenceTokens())
+    ConvergenceTokenStack.push_back(
+        emitConvergenceLoopToken(LoopBody, ConvergenceTokenStack.back()));
+
   {
     RunCleanupsScope BodyScope(*this);
     EmitStmt(S.getBody());
@@ -1151,6 +1163,9 @@ void CodeGenFunction::EmitDoStmt(const DoStmt &S,
   // block.
   if (llvm::EnableSingleByteCoverage)
     incrementProfileCounter(&S);
+
+  if (CGM.shouldEmitConvergenceTokens())
+    ConvergenceTokenStack.pop_back();
 }
 
 void CodeGenFunction::EmitForStmt(const ForStmt &S,
@@ -1170,6 +1185,10 @@ void CodeGenFunction::EmitForStmt(const ForStmt &S,
   llvm::BasicBlock *CondBlock = CondDest.getBlock();
   EmitBlock(CondBlock);
 
+  if (CGM.shouldEmitConvergenceTokens())
+    ConvergenceTokenStack.push_back(
+        emitConvergenceLoopToken(CondBlock, ConvergenceTokenStack.back()));
+
   const SourceRange &R = S.getSourceRange();
   LoopStack.push(CondBlock, CGM.getContext(), CGM.getCodeGenOpts(), ForAttrs,
                  SourceLocToDebugLoc(R.getBegin()),
@@ -1279,6 +1298,9 @@ void CodeGenFunction::EmitForStmt(const ForStmt &S,
   // block.
   if (llvm::EnableSingleByteCoverage)
     incrementProfileCounter(&S);
+
+  if (CGM.shouldEmitConvergenceTokens())
+    ConvergenceTokenStack.pop_back();
 }
 
 void
@@ -1301,6 +1323,10 @@ CodeGenFunction::EmitCXXForRangeStmt(const CXXForRangeStmt &S,
   llvm::BasicBlock *CondBlock = createBasicBlock("for.cond");
   EmitBlock(CondBlock);
 
+  if (CGM.shouldEmitConvergenceTokens())
+    ConvergenceTokenStack.push_back(
+        emitConvergenceLoopToken(CondBlock, ConvergenceTokenStack.back()));
+
   const SourceRange &R = S.getSourceRange();
   LoopStack.push(CondBlock, CGM.getContext(), CGM.getCodeGenOpts(), ForAttrs,
                  SourceLocToDebugLoc(R.getBegin()),
@@ -1369,6 +1395,9 @@ CodeGenFunction::EmitCXXForRangeStmt(const CXXForRangeStmt &S,
   // block.
   if (llvm::EnableSingleByteCoverage)
     incrementProfileCounter(&S);
+
+  if (CGM.shouldEmitConvergenceTokens())
+    ConvergenceTokenStack.pop_back();
 }
 
 void CodeGenFunction::EmitReturnOfRValue(RValue RV, QualType Ty) {
@@ -3158,3 +3187,67 @@ CodeGenFunction::GenerateCapturedStmtFunction(const CapturedStmt &S) {
 
   return F;
 }
+
+namespace {
+// Returns the first convergence entry/loop/anchor instruction found in |BB|.
+// std::nullptr otherwise.
+llvm::IntrinsicInst *getConvergenceToken(llvm::BasicBlock *BB) {
+  for (auto &I : *BB) {
+    auto *II = dyn_cast<llvm::IntrinsicInst>(&I);
+    if (II && llvm::isConvergenceControlIntrinsic(II->getIntrinsicID()))
+      return II;
+  }
+  return nullptr;
+}
+
+} // namespace
+
+llvm::CallBase *
+CodeGenFunction::addConvergenceControlToken(llvm::CallBase *Input,
+                                            llvm::Value *ParentToken) {
+  llvm::Value *bundleArgs[] = {ParentToken};
+  llvm::OperandBundleDef OB("convergencectrl", bundleArgs);
+  auto Output = llvm::CallBase::addOperandBundle(
+      Input, llvm::LLVMContext::OB_convergencectrl, OB, Input);
+  Input->replaceAllUsesWith(Output);
+  Input->eraseFromParent();
+  return Output;
+}
+
+llvm::IntrinsicInst *
+CodeGenFunction::emitConvergenceLoopToken(llvm::BasicBlock *BB,
+                                          llvm::Value *ParentToken) {
+  CGBuilderTy::InsertPoint IP = Builder.saveIP();
+  if (BB->empty())
+    Builder.SetInsertPoint(BB);
+  else
+    Builder.SetInsertPoint(BB->getFirstInsertionPt());
+
+  llvm::CallBase *CB = Builder.CreateIntrinsic(
+      llvm::Intrinsic::experimental_convergence_loop, {}, {});
+  Builder.restoreIP(IP);
+
+  llvm::CallBase *I = addConvergenceControlToken(CB, ParentToken);
+  return cast<llvm::IntrinsicInst>(I);
+}
+
+llvm::IntrinsicInst *
+CodeGenFunction::getOrEmitConvergenceEntryToken(llvm::Function *F) {
+  llvm::BasicBlock *BB = &F->getEntryBlock();
+  llvm::IntrinsicInst *Token = getConvergenceToken(BB);
+  if (Token)
+    return Token;
+
+  // Adding a convergence token requires the function to be marked as
+  // convergent.
+  F->setConvergent();
+
+  CGBuilderTy::InsertPoint IP = Builder.saveIP();
+  Builder.SetInsertPoint(&BB->front());
+  llvm::CallBase *I = Builder.CreateIntrinsic(
+      llvm::Intrinsic::experimental_convergence_entry, {}, {});
+  assert(isa<llvm::IntrinsicInst>(I));
+  Builder.restoreIP(IP);
+
+  return cast<llvm::IntrinsicInst>(I);
+}
diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp
@@ -353,6 +353,12 @@ void CodeGenFunction::FinishFunction(SourceLocation EndLoc) {
   assert(DeferredDeactivationCleanupStack.empty() &&
          "mismatched activate/deactivate of cleanups!");
 
+  if (CGM.shouldEmitConvergenceTokens()) {
+    ConvergenceTokenStack.pop_back();
+    assert(ConvergenceTokenStack.empty() &&
+           "mismatched push/pop in convergence stack!");
+  }
+
   bool OnlySimpleReturnStmts = NumSimpleReturnExprs > 0
     && NumSimpleReturnExprs == NumReturnExprs
     && ReturnBlock.getBlock()->use_empty();
@@ -1277,6 +1283,9 @@ void CodeGenFunction::StartFunction(GlobalDecl GD, QualType RetTy,
   if (CurFuncDecl)
     if (const auto *VecWidth = CurFuncDecl->getAttr<MinVectorWidthAttr>())
       LargestVectorWidth = VecWidth->getVectorWidth();
+
+  if (CGM.shouldEmitConvergenceTokens())
+    ConvergenceTokenStack.push_back(getOrEmitConvergenceEntryToken(CurFn));
 }
 
 void CodeGenFunction::EmitFunctionBody(const Stmt *Body) {

diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
@@ -315,6 +315,9 @@ class CodeGenFunction : public CodeGenTypeCache {
   /// Stack to track the Logical Operator recursion nest for MC/DC.
   SmallVector<const BinaryOperator *, 16> MCDCLogOpStack;
 
+  /// Stack to track the controlled convergence tokens.
+  SmallVector<llvm::IntrinsicInst *, 4> ConvergenceTokenStack;
+
   /// Number of nested loop to be consumed by the last surrounding
   /// loop-associated directive.
   int ExpectedOMPLoopDepth = 0;
@@ -5076,7 +5079,11 @@ class CodeGenFunction : public CodeGenTypeCache {
                                      const llvm::Twine &Name = "");
   // Adds a convergence_ctrl token to |Input| and emits the required parent
   // convergence instructions.
-  llvm::CallBase *addControlledConvergenceToken(llvm::CallBase *Input);
+  template <typename CallType>
+  CallType *addControlledConvergenceToken(CallType *Input) {
+    return cast<CallType>(
+        addConvergenceControlToken(Input, ConvergenceTokenStack.back()));
+  }
 
 private:
   // Emits a convergence_loop instruction for the given |BB|, with |ParentToken|

diff --git a/clang/lib/CodeGen/CodeGenModule.h b/clang/lib/CodeGen/CodeGenModule.h
@@ -1586,6 +1586,14 @@ class CodeGenModule : public CodeGenTypeCache {
   void AddGlobalDtor(llvm::Function *Dtor, int Priority = 65535,
                      bool IsDtorAttrFunc = false);
 
+  // Return whether structured convergence intrinsics should be generated for
+  // this target.
+  bool shouldEmitConvergenceTokens() const {
+    // TODO: this should probably become unconditional once the controlled
+    // convergence becomes the norm.
+    return getTriple().isSPIRVLogical();
+  }
+
 private:
   llvm::Constant *GetOrCreateLLVMFunction(
       StringRef MangledName, llvm::Type *Ty, GlobalDecl D, bool ForVTable,

diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
@@ -229,9 +229,6 @@ Driver::Driver(StringRef ClangExecutable, StringRef TargetTriple,
     UserConfigDir = static_cast<std::string>(P);
   }
 #endif
-
-  // Compute the path to the resource directory.
-  ResourceDir = GetResourcesPath(ClangExecutable, CLANG_RESOURCE_DIR);
 }
 
 void Driver::setDriverMode(StringRef Value) {
@@ -250,6 +247,24 @@ void Driver::setDriverMode(StringRef Value) {
     Diag(diag::err_drv_unsupported_option_argument) << OptName << Value;
 }
 
+void Driver::setResourceDirectory() {
+  // Compute the path to the resource directory, depending on the driver mode.
+  switch (Mode) {
+  case GCCMode:
+  case GXXMode:
+  case CPPMode:
+  case CLMode:
+  case DXCMode:
+    ResourceDir = GetResourcesPath(ClangExecutable, CLANG_RESOURCE_DIR);
+    break;
+  case FlangMode:
+    SmallString<64> customResourcePathRelativeToDriver{".."};
+    ResourceDir =
+        GetResourcesPath(ClangExecutable, customResourcePathRelativeToDriver);
+    break;
+  }
+}
+
 InputArgList Driver::ParseArgStrings(ArrayRef<const char *> ArgStrings,
                                      bool UseDriverMode, bool &ContainsError) {
   llvm::PrettyStackTraceString CrashInfo("Command line argument parsing");
@@ -1202,6 +1217,7 @@ Compilation *Driver::BuildCompilation(ArrayRef<const char *> ArgList) {
   if (!DriverMode.empty())
     setDriverMode(DriverMode);
 
+  setResourceDirectory();
   // FIXME: What are we going to do with -V and -b?
 
   // Arguments specified in command line.

diff --git a/clang/lib/Format/Format.cpp b/clang/lib/Format/Format.cpp
@@ -3858,8 +3858,7 @@ LangOptions getFormattingLangOpts(const FormatStyle &Style) {
   LangOpts.Digraphs = LexingStd >= FormatStyle::LS_Cpp11;
 
   LangOpts.LineComment = 1;
-  bool AlternativeOperators = Style.isCpp();
-  LangOpts.CXXOperatorNames = AlternativeOperators ? 1 : 0;
+  LangOpts.CXXOperatorNames = Style.isCpp();
   LangOpts.Bool = 1;
   LangOpts.ObjC = 1;
   LangOpts.MicrosoftExt = 1;    // To get kw___try, kw___finally.

diff --git a/clang/lib/Format/FormatToken.cpp b/clang/lib/Format/FormatToken.cpp
@@ -34,59 +34,23 @@ const char *getTokenTypeName(TokenType Type) {
   return nullptr;
 }
 
-// FIXME: This is copy&pasted from Sema. Put it in a common place and remove
-// duplication.
-bool FormatToken::isSimpleTypeSpecifier() const {
-  switch (Tok.getKind()) {
-  case tok::kw_short:
-  case tok::kw_long:
-  case tok::kw___int64:
-  case tok::kw___int128:
-  case tok::kw_signed:
-  case tok::kw_unsigned:
-  case tok::kw_void:
-  case tok::kw_char:
-  case tok::kw_int:
-  case tok::kw_half:
-  case tok::kw_float:
-  case tok::kw_double:
-  case tok::kw___bf16:
-  case tok::kw__Float16:
-  case tok::kw___float128:
-  case tok::kw___ibm128:
-  case tok::kw_wchar_t:
-  case tok::kw_bool:
-#define TRANSFORM_TYPE_TRAIT_DEF(_, Trait) case tok::kw___##Trait:
-#include "clang/Basic/TransformTypeTraits.def"
-  case tok::annot_typename:
-  case tok::kw_char8_t:
-  case tok::kw_char16_t:
-  case tok::kw_char32_t:
-  case tok::kw_typeof:
-  case tok::kw_decltype:
-  case tok::kw__Atomic:
-    return true;
-  default:
-    return false;
-  }
-}
-
 // Sorted common C++ non-keyword types.
 static SmallVector<StringRef> CppNonKeywordTypes = {
     "clock_t",  "int16_t",   "int32_t", "int64_t",   "int8_t",
     "intptr_t", "ptrdiff_t", "size_t",  "time_t",    "uint16_t",
     "uint32_t", "uint64_t",  "uint8_t", "uintptr_t",
 };
 
-bool FormatToken::isTypeName(bool IsCpp) const {
-  return is(TT_TypeName) || isSimpleTypeSpecifier() ||
+bool FormatToken::isTypeName(const LangOptions &LangOpts) const {
+  const bool IsCpp = LangOpts.CXXOperatorNames;
+  return is(TT_TypeName) || Tok.isSimpleTypeSpecifier(LangOpts) ||
          (IsCpp && is(tok::identifier) &&
           std::binary_search(CppNonKeywordTypes.begin(),
                              CppNonKeywordTypes.end(), TokenText));
 }
 
-bool FormatToken::isTypeOrIdentifier(bool IsCpp) const {
-  return isTypeName(IsCpp) || isOneOf(tok::kw_auto, tok::identifier);
+bool FormatToken::isTypeOrIdentifier(const LangOptions &LangOpts) const {
+  return isTypeName(LangOpts) || isOneOf(tok::kw_auto, tok::identifier);
 }
 
 bool FormatToken::isBlockIndentedInitRBrace(const FormatStyle &Style) const {

diff --git a/clang/lib/Format/FormatToken.h b/clang/lib/Format/FormatToken.h
@@ -684,12 +684,8 @@ struct FormatToken {
            isAttribute();
   }
 
-  /// Determine whether the token is a simple-type-specifier.
-  [[nodiscard]] bool isSimpleTypeSpecifier() const;
-
-  [[nodiscard]] bool isTypeName(bool IsCpp) const;
-
-  [[nodiscard]] bool isTypeOrIdentifier(bool IsCpp) const;
+  [[nodiscard]] bool isTypeName(const LangOptions &LangOpts) const;
+  [[nodiscard]] bool isTypeOrIdentifier(const LangOptions &LangOpts) const;
 
   bool isObjCAccessSpecifier() const {
     return is(tok::at) && Next &&

diff --git a/clang/lib/Format/FormatTokenLexer.cpp b/clang/lib/Format/FormatTokenLexer.cpp
@@ -1442,7 +1442,6 @@ void FormatTokenLexer::readRawToken(FormatToken &Tok) {
 
 void FormatTokenLexer::resetLexer(unsigned Offset) {
   StringRef Buffer = SourceMgr.getBufferData(ID);
-  LangOpts = getFormattingLangOpts(Style);
   Lex.reset(new Lexer(SourceMgr.getLocForStartOfFile(ID), LangOpts,
                       Buffer.begin(), Buffer.begin() + Offset, Buffer.end()));
   Lex->SetKeepWhitespaceMode(true);

diff --git a/clang/lib/Format/QualifierAlignmentFixer.cpp b/clang/lib/Format/QualifierAlignmentFixer.cpp
@@ -268,13 +268,11 @@ const FormatToken *LeftRightQualifierAlignmentFixer::analyzeRight(
   if (isPossibleMacro(TypeToken))
     return Tok;
 
-  const bool IsCpp = Style.isCpp();
-
   // The case `const long long int volatile` -> `long long int const volatile`
   // The case `long const long int volatile` -> `long long int const volatile`
   // The case `long long volatile int const` -> `long long int const volatile`
   // The case `const long long volatile int` -> `long long int const volatile`
-  if (TypeToken->isTypeName(IsCpp)) {
+  if (TypeToken->isTypeName(LangOpts)) {
     // The case `const decltype(foo)` -> `const decltype(foo)`
     // The case `const typeof(foo)` -> `const typeof(foo)`
     // The case `const _Atomic(foo)` -> `const _Atomic(foo)`
@@ -283,7 +281,7 @@ const FormatToken *LeftRightQualifierAlignmentFixer::analyzeRight(
 
     const FormatToken *LastSimpleTypeSpecifier = TypeToken;
     while (isQualifierOrType(LastSimpleTypeSpecifier->getNextNonComment(),
-                             IsCpp)) {
+                             LangOpts)) {
       LastSimpleTypeSpecifier = LastSimpleTypeSpecifier->getNextNonComment();
     }
 
@@ -295,7 +293,7 @@ const FormatToken *LeftRightQualifierAlignmentFixer::analyzeRight(
   // The case  `unsigned short const` -> `unsigned short const`
   // The case:
   // `unsigned short volatile const` -> `unsigned short const volatile`
-  if (PreviousCheck && PreviousCheck->isTypeName(IsCpp)) {
+  if (PreviousCheck && PreviousCheck->isTypeName(LangOpts)) {
     if (LastQual != Tok)
       rotateTokens(SourceMgr, Fixes, Tok, LastQual, /*Left=*/false);
     return Tok;
@@ -412,11 +410,11 @@ const FormatToken *LeftRightQualifierAlignmentFixer::analyzeLeft(
   // The case `volatile long long const int` -> `const volatile long long int`
   // The case `const long long volatile int` -> `const volatile long long int`
   // The case `long volatile long int const` -> `const volatile long long int`
-  if (const bool IsCpp = Style.isCpp(); TypeToken->isTypeName(IsCpp)) {
+  if (TypeToken->isTypeName(LangOpts)) {
     const FormatToken *LastSimpleTypeSpecifier = TypeToken;
     while (isConfiguredQualifierOrType(
         LastSimpleTypeSpecifier->getPreviousNonComment(),
-        ConfiguredQualifierTokens, IsCpp)) {
+        ConfiguredQualifierTokens, LangOpts)) {
       LastSimpleTypeSpecifier =
           LastSimpleTypeSpecifier->getPreviousNonComment();
     }
@@ -614,22 +612,21 @@ void prepareLeftRightOrderingForQualifierAlignmentFixer(
   }
 }
 
-bool LeftRightQualifierAlignmentFixer::isQualifierOrType(const FormatToken *Tok,
-                                                         bool IsCpp) {
-  return Tok &&
-         (Tok->isTypeName(IsCpp) || Tok->is(tok::kw_auto) || isQualifier(Tok));
+bool isQualifierOrType(const FormatToken *Tok, const LangOptions &LangOpts) {
+  return Tok && (Tok->isTypeName(LangOpts) || Tok->is(tok::kw_auto) ||
+                 isQualifier(Tok));
 }
 
-bool LeftRightQualifierAlignmentFixer::isConfiguredQualifierOrType(
-    const FormatToken *Tok, const std::vector<tok::TokenKind> &Qualifiers,
-    bool IsCpp) {
-  return Tok && (Tok->isTypeName(IsCpp) || Tok->is(tok::kw_auto) ||
+bool isConfiguredQualifierOrType(const FormatToken *Tok,
+                                 const std::vector<tok::TokenKind> &Qualifiers,
+                                 const LangOptions &LangOpts) {
+  return Tok && (Tok->isTypeName(LangOpts) || Tok->is(tok::kw_auto) ||
                  isConfiguredQualifier(Tok, Qualifiers));
 }
 
 // If a token is an identifier and it's upper case, it could
 // be a macro and hence we need to be able to ignore it.
-bool LeftRightQualifierAlignmentFixer::isPossibleMacro(const FormatToken *Tok) {
+bool isPossibleMacro(const FormatToken *Tok) {
   if (!Tok)
     return false;
   if (Tok->isNot(tok::identifier))

diff --git a/clang/lib/Format/QualifierAlignmentFixer.h b/clang/lib/Format/QualifierAlignmentFixer.h
@@ -32,6 +32,15 @@ void prepareLeftRightOrderingForQualifierAlignmentFixer(
     std::vector<std::string> &RightOrder,
     std::vector<tok::TokenKind> &Qualifiers);
 
+// Is the Token a simple or qualifier type
+bool isQualifierOrType(const FormatToken *Tok, const LangOptions &LangOpts);
+bool isConfiguredQualifierOrType(const FormatToken *Tok,
+                                 const std::vector<tok::TokenKind> &Qualifiers,
+                                 const LangOptions &LangOpts);
+
+// Is the Token likely a Macro
+bool isPossibleMacro(const FormatToken *Tok);
+
 class LeftRightQualifierAlignmentFixer : public TokenAnalyzer {
   std::string Qualifier;
   bool RightAlign;
@@ -69,16 +78,6 @@ class LeftRightQualifierAlignmentFixer : public TokenAnalyzer {
                                  const FormatToken *Tok,
                                  const std::string &Qualifier,
                                  tok::TokenKind QualifierType);
-
-  // Is the Token a simple or qualifier type
-  static bool isQualifierOrType(const FormatToken *Tok, bool IsCpp = true);
-  static bool
-  isConfiguredQualifierOrType(const FormatToken *Tok,
-                              const std::vector<tok::TokenKind> &Qualifiers,
-                              bool IsCpp = true);
-
-  // Is the Token likely a Macro
-  static bool isPossibleMacro(const FormatToken *Tok);
 };
 
 } // end namespace format

diff --git a/clang/lib/Format/TokenAnalyzer.cpp b/clang/lib/Format/TokenAnalyzer.cpp
@@ -84,7 +84,7 @@ Environment::Environment(StringRef Code, StringRef FileName,
       NextStartColumn(NextStartColumn), LastStartColumn(LastStartColumn) {}
 
 TokenAnalyzer::TokenAnalyzer(const Environment &Env, const FormatStyle &Style)
-    : Style(Style), Env(Env),
+    : Style(Style), LangOpts(getFormattingLangOpts(Style)), Env(Env),
       AffectedRangeMgr(Env.getSourceManager(), Env.getCharRanges()),
       UnwrappedLines(1),
       Encoding(encoding::detectEncoding(
@@ -101,7 +101,7 @@ std::pair<tooling::Replacements, unsigned>
 TokenAnalyzer::process(bool SkipAnnotation) {
   tooling::Replacements Result;
   llvm::SpecificBumpPtrAllocator<FormatToken> Allocator;
-  IdentifierTable IdentTable(getFormattingLangOpts(Style));
+  IdentifierTable IdentTable(LangOpts);
   FormatTokenLexer Lex(Env.getSourceManager(), Env.getFileID(),
                        Env.getFirstStartColumn(), Style, Encoding, Allocator,
                        IdentTable);

diff --git a/clang/lib/Format/TokenAnalyzer.h b/clang/lib/Format/TokenAnalyzer.h
@@ -92,6 +92,7 @@ class TokenAnalyzer : public UnwrappedLineConsumer {
   void finishRun() override;
 
   FormatStyle Style;
+  LangOptions LangOpts;
   // Stores Style, FileID and SourceManager etc.
   const Environment &Env;
   // AffectedRangeMgr stores ranges to be fixed.

diff --git a/clang/lib/Format/TokenAnnotator.cpp b/clang/lib/Format/TokenAnnotator.cpp
@@ -126,7 +126,9 @@ class AnnotatingParser {
                    const AdditionalKeywords &Keywords,
                    SmallVector<ScopeType> &Scopes)
       : Style(Style), Line(Line), CurrentToken(Line.First), AutoFound(false),
-        IsCpp(Style.isCpp()), Keywords(Keywords), Scopes(Scopes) {
+        IsCpp(Style.isCpp()), LangOpts(getFormattingLangOpts(Style)),
+        Keywords(Keywords), Scopes(Scopes) {
+    assert(IsCpp == LangOpts.CXXOperatorNames);
     Contexts.push_back(Context(tok::unknown, 1, /*IsExpression=*/false));
     resetTokenMetadata();
   }
@@ -562,7 +564,7 @@ class AnnotatingParser {
           (CurrentToken->is(tok::l_paren) && CurrentToken->Next &&
            CurrentToken->Next->isOneOf(tok::star, tok::amp, tok::caret));
       if ((CurrentToken->Previous->isOneOf(tok::kw_const, tok::kw_auto) ||
-           CurrentToken->Previous->isTypeName(IsCpp)) &&
+           CurrentToken->Previous->isTypeName(LangOpts)) &&
           !(CurrentToken->is(tok::l_brace) ||
             (CurrentToken->is(tok::l_paren) && !ProbablyFunctionTypeLParen))) {
         Contexts.back().IsExpression = false;
@@ -2624,7 +2626,7 @@ class AnnotatingParser {
       return true;
 
     // MyClass a;
-    if (PreviousNotConst->isTypeName(IsCpp))
+    if (PreviousNotConst->isTypeName(LangOpts))
       return true;
 
     // type[] a in Java
@@ -2728,7 +2730,7 @@ class AnnotatingParser {
     }
 
     if (Tok.Next->is(tok::question) ||
-        (Tok.Next->is(tok::ampamp) && !Tok.Previous->isTypeName(IsCpp))) {
+        (Tok.Next->is(tok::ampamp) && !Tok.Previous->isTypeName(LangOpts))) {
       return false;
     }
 
@@ -2757,9 +2759,10 @@ class AnnotatingParser {
     }
 
     // Heuristically try to determine whether the parentheses contain a type.
-    auto IsQualifiedPointerOrReference = [](FormatToken *T, bool IsCpp) {
+    auto IsQualifiedPointerOrReference = [](FormatToken *T,
+                                            const LangOptions &LangOpts) {
       // This is used to handle cases such as x = (foo *const)&y;
-      assert(!T->isTypeName(IsCpp) && "Should have already been checked");
+      assert(!T->isTypeName(LangOpts) && "Should have already been checked");
       // Strip trailing qualifiers such as const or volatile when checking
       // whether the parens could be a cast to a pointer/reference type.
       while (T) {
@@ -2791,8 +2794,8 @@ class AnnotatingParser {
     bool ParensAreType =
         !Tok.Previous ||
         Tok.Previous->isOneOf(TT_TemplateCloser, TT_TypeDeclarationParen) ||
-        Tok.Previous->isTypeName(IsCpp) ||
-        IsQualifiedPointerOrReference(Tok.Previous, IsCpp);
+        Tok.Previous->isTypeName(LangOpts) ||
+        IsQualifiedPointerOrReference(Tok.Previous, LangOpts);
     bool ParensCouldEndDecl =
         Tok.Next->isOneOf(tok::equal, tok::semi, tok::l_brace, tok::greater);
     if (ParensAreType && !ParensCouldEndDecl)
@@ -3065,6 +3068,7 @@ class AnnotatingParser {
   FormatToken *CurrentToken;
   bool AutoFound;
   bool IsCpp;
+  LangOptions LangOpts;
   const AdditionalKeywords &Keywords;
 
   SmallVector<ScopeType> &Scopes;
@@ -3639,7 +3643,8 @@ void TokenAnnotator::annotate(AnnotatedLine &Line) {
 
 // This function heuristically determines whether 'Current' starts the name of a
 // function declaration.
-static bool isFunctionDeclarationName(bool IsCpp, const FormatToken &Current,
+static bool isFunctionDeclarationName(const LangOptions &LangOpts,
+                                      const FormatToken &Current,
                                       const AnnotatedLine &Line,
                                       FormatToken *&ClosingParen) {
   assert(Current.Previous);
@@ -3658,7 +3663,7 @@ static bool isFunctionDeclarationName(bool IsCpp, const FormatToken &Current,
   }
 
   auto skipOperatorName =
-      [IsCpp](const FormatToken *Next) -> const FormatToken * {
+      [&LangOpts](const FormatToken *Next) -> const FormatToken * {
     for (; Next; Next = Next->Next) {
       if (Next->is(TT_OverloadedOperatorLParen))
         return Next;
@@ -3677,7 +3682,7 @@ static bool isFunctionDeclarationName(bool IsCpp, const FormatToken &Current,
         Next = Next->Next;
         continue;
       }
-      if ((Next->isTypeName(IsCpp) || Next->is(tok::identifier)) &&
+      if ((Next->isTypeName(LangOpts) || Next->is(tok::identifier)) &&
           Next->Next && Next->Next->isPointerOrReference()) {
         // For operator void*(), operator char*(), operator Foo*().
         Next = Next->Next;
@@ -3693,8 +3698,10 @@ static bool isFunctionDeclarationName(bool IsCpp, const FormatToken &Current,
     return nullptr;
   };
 
+  const auto *Next = Current.Next;
+  const bool IsCpp = LangOpts.CXXOperatorNames;
+
   // Find parentheses of parameter list.
-  const FormatToken *Next = Current.Next;
   if (Current.is(tok::kw_operator)) {
     if (Previous.Tok.getIdentifierInfo() &&
         !Previous.isOneOf(tok::kw_return, tok::kw_co_return)) {
@@ -3774,7 +3781,7 @@ static bool isFunctionDeclarationName(bool IsCpp, const FormatToken &Current,
       Tok = Tok->MatchingParen;
       continue;
     }
-    if (Tok->is(tok::kw_const) || Tok->isTypeName(IsCpp) ||
+    if (Tok->is(tok::kw_const) || Tok->isTypeName(LangOpts) ||
         Tok->isOneOf(TT_PointerOrReference, TT_StartOfName, tok::ellipsis)) {
       return true;
     }
@@ -3837,7 +3844,7 @@ void TokenAnnotator::calculateFormattingInformation(AnnotatedLine &Line) const {
       AfterLastAttribute = Tok;
     if (const bool IsCtorOrDtor = Tok->is(TT_CtorDtorDeclName);
         IsCtorOrDtor ||
-        isFunctionDeclarationName(IsCpp, *Tok, Line, ClosingParen)) {
+        isFunctionDeclarationName(LangOpts, *Tok, Line, ClosingParen)) {
       if (!IsCtorOrDtor)
         Tok->setFinalizedType(TT_FunctionDeclarationName);
       LineIsFunctionDeclaration = true;
@@ -4447,7 +4454,7 @@ bool TokenAnnotator::spaceRequiredBetween(const AnnotatedLine &Line,
     if (Left.Tok.isLiteral())
       return true;
     // for (auto a = 0, b = 0; const auto & c : {1, 2, 3})
-    if (Left.isTypeOrIdentifier(IsCpp) && Right.Next && Right.Next->Next &&
+    if (Left.isTypeOrIdentifier(LangOpts) && Right.Next && Right.Next->Next &&
         Right.Next->Next->is(TT_RangeBasedForLoopColon)) {
       return getTokenPointerOrReferenceAlignment(Right) !=
              FormatStyle::PAS_Left;
@@ -4490,7 +4497,7 @@ bool TokenAnnotator::spaceRequiredBetween(const AnnotatedLine &Line,
     if (Right.is(tok::l_brace) && Right.is(BK_Block))
       return true;
     // for (auto a = 0, b = 0; const auto& c : {1, 2, 3})
-    if (BeforeLeft && BeforeLeft->isTypeOrIdentifier(IsCpp) && Right.Next &&
+    if (BeforeLeft && BeforeLeft->isTypeOrIdentifier(LangOpts) && Right.Next &&
         Right.Next->is(TT_RangeBasedForLoopColon)) {
       return getTokenPointerOrReferenceAlignment(Left) !=
              FormatStyle::PAS_Right;
@@ -4534,7 +4541,7 @@ bool TokenAnnotator::spaceRequiredBetween(const AnnotatedLine &Line,
   if (Right.isPointerOrReference()) {
     const FormatToken *Previous = &Left;
     while (Previous && Previous->isNot(tok::kw_operator)) {
-      if (Previous->is(tok::identifier) || Previous->isTypeName(IsCpp)) {
+      if (Previous->is(tok::identifier) || Previous->isTypeName(LangOpts)) {
         Previous = Previous->getPreviousNonComment();
         continue;
       }
@@ -4723,7 +4730,7 @@ bool TokenAnnotator::spaceRequiredBetween(const AnnotatedLine &Line,
   if (!Style.isVerilog() &&
       (Left.isOneOf(tok::identifier, tok::greater, tok::r_square,
                     tok::r_paren) ||
-       Left.isTypeName(IsCpp)) &&
+       Left.isTypeName(LangOpts)) &&
       Right.is(tok::l_brace) && Right.getNextNonComment() &&
       Right.isNot(BK_Block)) {
     return false;

diff --git a/clang/lib/Format/TokenAnnotator.h b/clang/lib/Format/TokenAnnotator.h
@@ -211,7 +211,10 @@ class AnnotatedLine {
 class TokenAnnotator {
 public:
   TokenAnnotator(const FormatStyle &Style, const AdditionalKeywords &Keywords)
-      : Style(Style), IsCpp(Style.isCpp()), Keywords(Keywords) {}
+      : Style(Style), IsCpp(Style.isCpp()),
+        LangOpts(getFormattingLangOpts(Style)), Keywords(Keywords) {
+    assert(IsCpp == LangOpts.CXXOperatorNames);
+  }
 
   /// Adapts the indent levels of comment lines to the indent of the
   /// subsequent line.
@@ -260,6 +263,7 @@ class TokenAnnotator {
   const FormatStyle &Style;
 
   bool IsCpp;
+  LangOptions LangOpts;
 
   const AdditionalKeywords &Keywords;
 

diff --git a/clang/lib/Format/UnwrappedLineParser.cpp b/clang/lib/Format/UnwrappedLineParser.cpp
@@ -160,13 +160,16 @@ UnwrappedLineParser::UnwrappedLineParser(
     IdentifierTable &IdentTable)
     : Line(new UnwrappedLine), MustBreakBeforeNextToken(false),
       CurrentLines(&Lines), Style(Style), IsCpp(Style.isCpp()),
-      Keywords(Keywords), CommentPragmasRegex(Style.CommentPragmas),
-      Tokens(nullptr), Callback(Callback), AllTokens(Tokens), PPBranchLevel(-1),
+      LangOpts(getFormattingLangOpts(Style)), Keywords(Keywords),
+      CommentPragmasRegex(Style.CommentPragmas), Tokens(nullptr),
+      Callback(Callback), AllTokens(Tokens), PPBranchLevel(-1),
       IncludeGuard(Style.IndentPPDirectives == FormatStyle::PPDIS_None
                        ? IG_Rejected
                        : IG_Inited),
       IncludeGuardToken(nullptr), FirstStartColumn(FirstStartColumn),
-      Macros(Style.Macros, SourceMgr, Style, Allocator, IdentTable) {}
+      Macros(Style.Macros, SourceMgr, Style, Allocator, IdentTable) {
+  assert(IsCpp == LangOpts.CXXOperatorNames);
+}
 
 void UnwrappedLineParser::reset() {
   PPBranchLevel = -1;
@@ -1870,7 +1873,7 @@ void UnwrappedLineParser::parseStructuralElement(
     case tok::caret:
       nextToken();
       // Block return type.
-      if (FormatTok->Tok.isAnyIdentifier() || FormatTok->isTypeName(IsCpp)) {
+      if (FormatTok->Tok.isAnyIdentifier() || FormatTok->isTypeName(LangOpts)) {
         nextToken();
         // Return types: pointers are ok too.
         while (FormatTok->is(tok::star))
@@ -2231,7 +2234,7 @@ bool UnwrappedLineParser::tryToParseLambda() {
   bool InTemplateParameterList = false;
 
   while (FormatTok->isNot(tok::l_brace)) {
-    if (FormatTok->isTypeName(IsCpp)) {
+    if (FormatTok->isTypeName(LangOpts)) {
       nextToken();
       continue;
     }
@@ -3448,7 +3451,7 @@ bool UnwrappedLineParser::parseRequires() {
     break;
   }
   default:
-    if (PreviousNonComment->isTypeOrIdentifier(IsCpp)) {
+    if (PreviousNonComment->isTypeOrIdentifier(LangOpts)) {
       // This is a requires clause.
       parseRequiresClause(RequiresToken);
       return true;
@@ -3511,7 +3514,7 @@ bool UnwrappedLineParser::parseRequires() {
       --OpenAngles;
       break;
     default:
-      if (NextToken->isTypeName(IsCpp)) {
+      if (NextToken->isTypeName(LangOpts)) {
         FormatTok = Tokens->setPosition(StoredPosition);
         parseRequiresExpression(RequiresToken);
         return false;
@@ -4027,7 +4030,7 @@ void UnwrappedLineParser::parseRecord(bool ParseAsExpr) {
       if (FormatTok->is(tok::l_square)) {
         FormatToken *Previous = FormatTok->Previous;
         if (!Previous || (Previous->isNot(tok::r_paren) &&
-                          !Previous->isTypeOrIdentifier(IsCpp))) {
+                          !Previous->isTypeOrIdentifier(LangOpts))) {
           // Don't try parsing a lambda if we had a closing parenthesis before,
           // it was probably a pointer to an array: int (*)[].
           if (!tryToParseLambda())

diff --git a/clang/lib/Format/UnwrappedLineParser.h b/clang/lib/Format/UnwrappedLineParser.h
@@ -316,6 +316,7 @@ class UnwrappedLineParser {
 
   const FormatStyle &Style;
   bool IsCpp;
+  LangOptions LangOpts;
   const AdditionalKeywords &Keywords;
 
   llvm::Regex CommentPragmasRegex;

diff --git a/clang/lib/Sema/SemaExpr.cpp b/clang/lib/Sema/SemaExpr.cpp
diff --git a/clang/lib/Sema/SemaType.cpp b/clang/lib/Sema/SemaType.cpp
@@ -3099,7 +3099,8 @@ InventTemplateParameter(TypeProcessingState &state, QualType T,
       // The 'auto' appears in the decl-specifiers; we've not finished forming
       // TypeSourceInfo for it yet.
       TemplateIdAnnotation *TemplateId = D.getDeclSpec().getRepAsTemplateId();
-      TemplateArgumentListInfo TemplateArgsInfo;
+      TemplateArgumentListInfo TemplateArgsInfo(TemplateId->LAngleLoc,
+                                                TemplateId->RAngleLoc);
       bool Invalid = false;
       if (TemplateId->LAngleLoc.isValid()) {
         ASTTemplateArgsPtr TemplateArgsPtr(TemplateId->getTemplateArgs(),
@@ -9351,15 +9352,20 @@ QualType Sema::BuildCountAttributedArrayType(QualType WrappedTy,
 /// that expression, according to the rules in C++11
 /// [dcl.type.simple]p4 and C++11 [expr.lambda.prim]p18.
 QualType Sema::getDecltypeForExpr(Expr *E) {
-  if (E->isTypeDependent())
-    return Context.DependentTy;
 
   Expr *IDExpr = E;
   if (auto *ImplCastExpr = dyn_cast<ImplicitCastExpr>(E))
     IDExpr = ImplCastExpr->getSubExpr();
 
-  if (auto *PackExpr = dyn_cast<PackIndexingExpr>(E))
-    IDExpr = PackExpr->getSelectedExpr();
+  if (auto *PackExpr = dyn_cast<PackIndexingExpr>(E)) {
+    if (E->isInstantiationDependent())
+      IDExpr = PackExpr->getPackIdExpression();
+    else
+      IDExpr = PackExpr->getSelectedExpr();
+  }
+
+  if (E->isTypeDependent())
+    return Context.DependentTy;
 
   // C++11 [dcl.type.simple]p4:
   //   The type denoted by decltype(e) is defined as follows:

diff --git a/clang/lib/Sema/TreeTransform.h b/clang/lib/Sema/TreeTransform.h
@@ -2874,10 +2874,21 @@ class TreeTransform {
         return ExprError();
       Base = BaseResult.get();
 
+      // `TranformMaterializeTemporaryExpr()` removes materialized temporaries
+      // from the AST, so we need to re-insert them if needed (since
+      // `BuildFieldRefereneExpr()` doesn't do this).
+      if (!isArrow && Base->isPRValue()) {
+        BaseResult = getSema().TemporaryMaterializationConversion(Base);
+        if (BaseResult.isInvalid())
+          return ExprError();
+        Base = BaseResult.get();
+      }
+
       CXXScopeSpec EmptySS;
       return getSema().BuildFieldReferenceExpr(
           Base, isArrow, OpLoc, EmptySS, cast<FieldDecl>(Member),
-          DeclAccessPair::make(FoundDecl, FoundDecl->getAccess()), MemberNameInfo);
+          DeclAccessPair::make(FoundDecl, FoundDecl->getAccess()),
+          MemberNameInfo);
     }
 
     CXXScopeSpec SS;

diff --git a/clang/lib/StaticAnalyzer/Checkers/UnreachableCodeChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/UnreachableCodeChecker.cpp
@@ -159,6 +159,8 @@ void UnreachableCodeChecker::checkEndAnalysis(ExplodedGraph &G,
       SL = DL.asLocation();
       if (SR.isInvalid() || !SL.isValid())
         continue;
+      if (isa<CXXTryStmt>(S))
+        continue;
     }
     else
       continue;
@@ -254,4 +256,4 @@ void ento::registerUnreachableCodeChecker(CheckerManager &mgr) {
 
 bool ento::shouldRegisterUnreachableCodeChecker(const CheckerManager &mgr) {
   return true;
-}
+}
diff --git a/clang/lib/StaticAnalyzer/Checkers/WebKit/ASTUtils.cpp b/clang/lib/StaticAnalyzer/Checkers/WebKit/ASTUtils.cpp
@@ -28,6 +28,13 @@ bool tryToFindPtrOrigin(
       E = tempExpr->getSubExpr();
       continue;
     }
+    if (auto *tempExpr = dyn_cast<CXXTemporaryObjectExpr>(E)) {
+      if (auto *C = tempExpr->getConstructor()) {
+        if (auto *Class = C->getParent(); Class && isRefCounted(Class))
+          return callback(E, true);
+        break;
+      }
+    }
     if (auto *tempExpr = dyn_cast<ParenExpr>(E)) {
       E = tempExpr->getSubExpr();
       continue;

diff --git a/clang/test/AST/Interp/arrays.cpp b/clang/test/AST/Interp/arrays.cpp
@@ -580,3 +580,18 @@ constexpr ptrdiff_t d3 = &melchizedek[0] - &melchizedek[1]; // ok
 /// GH#88018
 const int SZA[] = {};
 void testZeroSizedArrayAccess() { unsigned c = SZA[4]; }
+
+#if __cplusplus >= 202002L
+constexpr int test_multiarray2() { // both-error {{never produces a constant expression}}
+  int multi2[2][1]; // both-note {{declared here}}
+  return multi2[2][0]; // both-note {{cannot access array element of pointer past the end of object}} \
+                       // both-warning {{array index 2 is past the end of the array (that has type 'int[2][1]')}}
+}
+
+/// Same but with a dummy pointer.
+int multi22[2][2]; // both-note {{declared here}}
+int test_multiarray22() {
+  return multi22[2][0]; // both-warning {{array index 2 is past the end of the array (that has type 'int[2][2]')}}
+}
+
+#endif
diff --git a/clang/test/AST/ast-dump-anonymous-class.cpp b/clang/test/AST/ast-dump-anonymous-class.cpp
@@ -0,0 +1,49 @@
+// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-unknown -ast-dump %s \
+// RUN: | FileCheck -strict-whitespace %s
+
+struct S {
+  struct {
+    int i;
+  };
+};
+
+int accessInRegularFunction() {
+  return S().i;
+  // CHECK: FunctionDecl {{.*}} accessInRegularFunction 'int ()'
+  // CHECK:      |   `-ReturnStmt {{.*}}
+  // CHECK-NEXT: |     `-ExprWithCleanups {{.*}} 'int'
+  // CHECK-NEXT: |       `-ImplicitCastExpr {{.*}} 'int' <LValueToRValue>
+  // CHECK-NEXT: |         `-MemberExpr {{.*}} 'int' xvalue .i
+  // CHECK-NEXT: |           `-MemberExpr {{.*}} 'S::(anonymous struct at {{.*}})
+  // CHECK-NEXT: |             `-MaterializeTemporaryExpr {{.*}} 'S' xvalue
+  // CHECK-NEXT: |               `-CXXTemporaryObjectExpr {{.*}} 'S' 'void () noexcept' zeroing
+}
+
+// AST should look the same in a function template with an unused template
+// parameter.
+template <class>
+int accessInFunctionTemplate() {
+  return S().i;
+  // CHECK: FunctionDecl {{.*}} accessInFunctionTemplate 'int ()'
+  // CHECK:      |   `-ReturnStmt {{.*}}
+  // CHECK-NEXT: |     `-ExprWithCleanups {{.*}} 'int'
+  // CHECK-NEXT: |       `-ImplicitCastExpr {{.*}} 'int' <LValueToRValue>
+  // CHECK-NEXT: |         `-MemberExpr {{.*}} 'int' xvalue .i
+  // CHECK-NEXT: |           `-MemberExpr {{.*}} 'S::(anonymous struct at {{.*}})
+  // CHECK-NEXT: |             `-MaterializeTemporaryExpr {{.*}} 'S' xvalue
+  // CHECK-NEXT: |               `-CXXTemporaryObjectExpr {{.*}} 'S' 'void () noexcept' zeroing
+}
+
+// AST should look the same in an instantiation of the function template.
+// This is a regression test: The AST used to contain the
+// `MaterializeTemporaryExpr` in the wrong place, causing a `MemberExpr` to have
+// a prvalue base (which is not allowed in C++).
+template int accessInFunctionTemplate<int>();
+  // CHECK: FunctionDecl {{.*}} accessInFunctionTemplate 'int ()' explicit_instantiation_definition
+  // CHECK:          `-ReturnStmt {{.*}}
+  // CHECK-NEXT:       `-ExprWithCleanups {{.*}} 'int'
+  // CHECK-NEXT:         `-ImplicitCastExpr {{.*}} 'int' <LValueToRValue>
+  // CHECK-NEXT:           `-MemberExpr {{.*}} 'int' xvalue .i
+  // CHECK-NEXT:             `-MemberExpr {{.*}} 'S::(anonymous struct at {{.*}})
+  // CHECK-NEXT:               `-MaterializeTemporaryExpr {{.*}} 'S' xvalue
+  // CHECK-NEXT:                 `-CXXTemporaryObjectExpr {{.*}} 'S' 'void () noexcept' zeroing
diff --git a/clang/test/AST/ast-dump-concepts.cpp b/clang/test/AST/ast-dump-concepts.cpp
@@ -107,3 +107,16 @@ auto FooFunc(C auto V) -> C decltype(auto) {
 }
 
 }
+
+namespace constraint_auto_params {
+
+template <class T, class K>
+concept C = true;
+
+template<class T>
+void g(C<T> auto Foo) {}
+
+// CHECK: TemplateTypeParmDecl {{.*}} depth 0 index 1 Foo:auto
+// CHECK-NEXT: `-ConceptSpecializationExpr {{.*}} <col:8, col:11>
+
+}
diff --git a/clang/test/AST/ast-dump-expr-json.cpp b/clang/test/AST/ast-dump-expr-json.cpp
@@ -4261,9 +4261,9 @@ void TestNonADLCall3() {
 // CHECK-NEXT:                     }
 // CHECK-NEXT:                    },
 // CHECK-NEXT:                    "type": {
-// CHECK-NEXT:                     "qualType": "<dependent type>"
+// CHECK-NEXT:                     "qualType": "V"
 // CHECK-NEXT:                    },
-// CHECK-NEXT:                    "valueCategory": "prvalue",
+// CHECK-NEXT:                    "valueCategory": "lvalue",
 // CHECK-NEXT:                    "isPostfix": false,
 // CHECK-NEXT:                    "opcode": "*",
 // CHECK-NEXT:                    "canOverflow": false,

diff --git a/clang/test/AST/ast-dump-expr.cpp b/clang/test/AST/ast-dump-expr.cpp
@@ -282,7 +282,7 @@ void PrimaryExpressions(Ts... a) {
       // CHECK-NEXT: CompoundStmt
       // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <col:8> col:8 implicit 'V'
       // CHECK-NEXT: ParenListExpr 0x{{[^ ]*}} <col:8> 'NULL TYPE'
-      // CHECK-NEXT: UnaryOperator 0x{{[^ ]*}} <col:8> '<dependent type>' prefix '*' cannot overflow
+      // CHECK-NEXT: UnaryOperator 0x{{[^ ]*}} <col:8> 'V' lvalue prefix '*' cannot overflow
       // CHECK-NEXT: CXXThisExpr 0x{{[^ ]*}} <col:8> 'V *' this
     }
   };

diff --git a/clang/test/AST/ast-dump-lambda.cpp b/clang/test/AST/ast-dump-lambda.cpp
@@ -81,7 +81,7 @@ template <typename... Ts> void test(Ts... a) {
 // CHECK-NEXT:    |         | | `-CompoundStmt {{.*}} <col:15, col:16>
 // CHECK-NEXT:    |         | `-FieldDecl {{.*}} <col:8> col:8{{( imported)?}} implicit 'V'
 // CHECK-NEXT:    |         |-ParenListExpr {{.*}} <col:8> 'NULL TYPE'
-// CHECK-NEXT:    |         | `-UnaryOperator {{.*}} <col:8> '<dependent type>' prefix '*' cannot overflow
+// CHECK-NEXT:    |         | `-UnaryOperator {{.*}} <col:8> 'V' lvalue prefix '*' cannot overflow
 // CHECK-NEXT:    |         |   `-CXXThisExpr {{.*}} <col:8> 'V *' this
 // CHECK-NEXT:    |         `-CompoundStmt {{.*}} <col:15, col:16>
 // CHECK-NEXT:    |-DeclStmt {{.*}} <line:22:3, col:11>

diff --git a/clang/test/AST/ast-print-openacc-compute-construct.cpp b/clang/test/AST/ast-print-openacc-compute-construct.cpp
@@ -111,23 +111,23 @@ void foo() {
   bool SomeB;
   struct SomeStruct{} SomeStructImpl;
 
-//#pragma acc parallel dtype(SomeB)
+//CHECK: #pragma acc parallel dtype(SomeB)
 #pragma acc parallel dtype(SomeB)
   while(true);
 
-//#pragma acc parallel device_type(SomeStruct)
+//CHECK: #pragma acc parallel device_type(SomeStruct)
 #pragma acc parallel device_type(SomeStruct)
   while(true);
 
-//#pragma acc parallel device_type(int)
+//CHECK: #pragma acc parallel device_type(int)
 #pragma acc parallel device_type(int)
   while(true);
 
-//#pragma acc parallel dtype(bool)
+//CHECK: #pragma acc parallel dtype(bool)
 #pragma acc parallel dtype(bool)
   while(true);
 
-//#pragma acc parallel device_type (SomeStructImpl)
+//CHECK: #pragma acc parallel device_type(SomeStructImpl)
 #pragma acc parallel device_type (SomeStructImpl)
   while(true);
 }

diff --git a/clang/test/Analysis/Checkers/WebKit/call-args.cpp b/clang/test/Analysis/Checkers/WebKit/call-args.cpp
@@ -358,3 +358,10 @@ namespace call_with_ptr_on_ref {
     // expected-warning@-1{{Call argument for parameter 'bad' is uncounted and unsafe}}
   }
 }
+
+namespace call_with_explicit_temporary_obj {
+  void foo() {
+    Ref { *provide() }->method();
+    RefPtr { provide() }->method();
+  }
+}
diff --git a/clang/test/Analysis/unreachable-code-exceptions.cpp b/clang/test/Analysis/unreachable-code-exceptions.cpp
@@ -0,0 +1,13 @@
+// RUN: %clang_analyze_cc1 -verify %s -fcxx-exceptions -fexceptions -analyzer-checker=core,alpha.deadcode.UnreachableCode
+
+// expected-no-diagnostics
+
+void foo();
+
+void fp_90162() {
+  try { // no-warning: The TryStmt shouldn't be unreachable.
+    foo();
+  } catch (int) {
+    foo(); // We assume that catch handlers are reachable.
+  }
+}
diff --git a/clang/test/CXX/expr/expr.unary/expr.unary.general/p1.cpp b/clang/test/CXX/expr/expr.unary/expr.unary.general/p1.cpp
@@ -0,0 +1,65 @@
+// RUN: %clang_cc1 -Wno-unused -fsyntax-only %s -verify
+
+struct A {
+  void operator*();
+  void operator+();
+  void operator-();
+  void operator!();
+  void operator~();
+  void operator&();
+  void operator++();
+  void operator--();
+};
+
+struct B { };
+
+template<typename T, typename U>
+void dependent(T t, T* pt, T U::* mpt, T(&ft)(), T(&at)[4]) {
+  *t;
+  +t;
+  -t;
+  !t;
+  ~t;
+  &t;
+  ++t;
+  --t;
+
+  *pt;
+  +pt;
+  -pt; // expected-error {{invalid argument type 'T *' to unary expression}}
+  !pt;
+  ~pt; // expected-error {{invalid argument type 'T *' to unary expression}}
+  &pt;
+  ++pt;
+  --pt;
+
+  *mpt; // expected-error {{indirection requires pointer operand ('T U::*' invalid)}}
+  +mpt; // expected-error {{invalid argument type 'T U::*' to unary expression}}
+  -mpt; // expected-error {{invalid argument type 'T U::*' to unary expression}}
+  !mpt;
+  ~mpt; // expected-error {{invalid argument type 'T U::*' to unary expression}}
+  &mpt;
+  ++mpt; // expected-error {{cannot increment value of type 'T U::*'}}
+  --mpt; // expected-error {{cannot decrement value of type 'T U::*'}}
+
+  *ft;
+  +ft;
+  -ft; // expected-error {{invalid argument type 'T (*)()' to unary expression}}
+  !ft;
+  ~ft; // expected-error {{invalid argument type 'T (*)()' to unary expression}}
+  &ft;
+  ++ft; // expected-error {{cannot increment value of type 'T ()'}}
+  --ft; // expected-error {{cannot decrement value of type 'T ()'}}
+
+  *at;
+  +at;
+  -at; // expected-error {{invalid argument type 'T *' to unary expression}}
+  !at;
+  ~at; // expected-error {{invalid argument type 'T *' to unary expression}}
+  &at;
+  ++at; // expected-error {{cannot increment value of type 'T[4]'}}
+  --at; // expected-error {{cannot decrement value of type 'T[4]'}}
+}
+
+// Make sure we only emit diagnostics once.
+template void dependent(A t, A* pt, A B::* mpt, A(&ft)(), A(&at)[4]);
diff --git a/clang/test/CXX/over/over.built/ast.cpp b/clang/test/CXX/over/over.built/ast.cpp
@@ -1,41 +1,139 @@
-// RUN: %clang_cc1 -std=c++17 -ast-dump %s -ast-dump-filter Test | FileCheck %s
+// RUN: %clang_cc1 -std=c++17 -Wno-unused -ast-dump %s -ast-dump-filter Test | FileCheck %s
 
-struct A{};
+namespace Test {
+  template<typename T, typename U>
+  void Unary(T t, T* pt, T U::* mpt, T(&ft)(), T(&at)[4]) {
+    // CHECK: UnaryOperator {{.*}} '<dependent type>' lvalue prefix '*' cannot overflow
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T' lvalue ParmVar {{.*}} 't' 'T'
+    *t;
 
-template <typename T, typename U>
-auto Test(T* pt, U* pu) {
-  // CHECK: UnaryOperator {{.*}} '<dependent type>' lvalue prefix '*'
-  // CHECK-NEXT: DeclRefExpr {{.*}} 'T *' lvalue ParmVar {{.*}} 'pt' 'T *'
-  (void)*pt;
+    // CHECK: UnaryOperator {{.*}} '<dependent type>' prefix '+' cannot overflow
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T' lvalue ParmVar {{.*}} 't' 'T'
+    +t;
 
-  // CHECK: UnaryOperator {{.*}} '<dependent type>' lvalue prefix '++'
-  // CHECK-NEXT: DeclRefExpr {{.*}} 'T *' lvalue ParmVar {{.*}} 'pt' 'T *'
-  (void)(++pt);
+    // CHECK: UnaryOperator {{.*}} '<dependent type>' prefix '-' cannot overflow
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T' lvalue ParmVar {{.*}} 't' 'T'
+    -t;
 
-  // CHECK: UnaryOperator {{.*}} '<dependent type>' prefix '+'
-  // CHECK-NEXT: DeclRefExpr {{.*}} 'T *' lvalue ParmVar {{.*}} 'pt' 'T *'
-  (void)(+pt);
+    // CHECK: UnaryOperator {{.*}} '<dependent type>' prefix '!' cannot overflow
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T' lvalue ParmVar {{.*}} 't' 'T'
+    !t;
 
-  // CHECK: BinaryOperator {{.*}} '<dependent type>' '+'
-  // CHECK-NEXT: DeclRefExpr {{.*}} 'T *' lvalue ParmVar {{.*}} 'pt' 'T *'
-  // CHECK-NEXT: IntegerLiteral {{.*}} 'int' 3
-  (void)(pt + 3);
+    // CHECK: UnaryOperator {{.*}} '<dependent type>' prefix '~' cannot overflow
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T' lvalue ParmVar {{.*}} 't' 'T'
+    ~t;
 
-  // CHECK: BinaryOperator {{.*}} '<dependent type>' '-'
-  // CHECK-NEXT: DeclRefExpr {{.*}} 'T *' lvalue ParmVar {{.*}} 'pt' 'T *'
-  // CHECK-NEXT: DeclRefExpr {{.*}} 'T *' lvalue ParmVar {{.*}} 'pt' 'T *'
-  (void)(pt - pt);
+    // CHECK: UnaryOperator {{.*}} '<dependent type>' prefix '&' cannot overflow
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T' lvalue ParmVar {{.*}} 't' 'T'
+    &t;
 
-  // CHECK: BinaryOperator {{.*}} '<dependent type>' '-'
-  // CHECK-NEXT: DeclRefExpr {{.*}} 'T *' lvalue ParmVar {{.*}} 'pt' 'T *'
-  // CHECK-NEXT: DeclRefExpr {{.*}} 'U *' lvalue ParmVar {{.*}} 'pu' 'U *'
-  (void)(pt - pu);
+    // CHECK: UnaryOperator {{.*}} '<dependent type>' lvalue prefix '++' cannot overflow
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T' lvalue ParmVar {{.*}} 't' 'T'
+    ++t;
 
-  // CHECK: BinaryOperator {{.*}} '<dependent type>' '=='
-  // CHECK-NEXT: DeclRefExpr {{.*}} 'T *' lvalue ParmVar {{.*}} 'pt' 'T *'
-  // CHECK-NEXT: DeclRefExpr {{.*}} 'U *' lvalue ParmVar {{.*}} 'pu' 'U *'
-  (void)(pt == pu);
+    // CHECK: UnaryOperator {{.*}} '<dependent type>' lvalue prefix '--' cannot overflow
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T' lvalue ParmVar {{.*}} 't' 'T'
+    --t;
 
-}
+    // CHECK: UnaryOperator {{.*}} 'T' lvalue prefix '*' cannot overflow
+    // CHECK-NEXT: ImplicitCastExpr {{.*}} 'T *' <LValueToRValue>
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T *' lvalue ParmVar {{.*}} 'pt' 'T *'
+    *pt;
 
+    // CHECK: UnaryOperator {{.*}} 'T *' prefix '+' cannot overflow
+    // CHECK-NEXT: ImplicitCastExpr {{.*}} 'T *' <LValueToRValue>
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T *' lvalue ParmVar {{.*}} 'pt' 'T *'
+    +pt;
 
+    // CHECK: UnaryOperator {{.*}} 'bool' prefix '!' cannot overflow
+    // CHECK-NEXT: ImplicitCastExpr {{.*}} 'bool' <PointerToBoolean>
+    // CHECK-NEXT: ImplicitCastExpr {{.*}} 'T *' <LValueToRValue>
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T *' lvalue ParmVar {{.*}} 'pt' 'T *'
+    !pt;
+
+    // CHECK: UnaryOperator {{.*}} '<dependent type>' prefix '&' cannot overflow
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T *' lvalue ParmVar {{.*}} 'pt' 'T *'
+    &pt;
+
+    // CHECK: UnaryOperator {{.*}} 'T *' lvalue prefix '++' cannot overflow
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T *' lvalue ParmVar {{.*}} 'pt' 'T *'
+    ++pt;
+
+    // CHECK: UnaryOperator {{.*}} 'T *' lvalue prefix '--' cannot overflow
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T *' lvalue ParmVar {{.*}} 'pt' 'T *'
+    --pt;
+
+    // CHECK: UnaryOperator {{.*}} 'bool' prefix '!' cannot overflow
+    // CHECK-NEXT: ImplicitCastExpr {{.*}} 'bool' <MemberPointerToBoolean>
+    // CHECK-NEXT: ImplicitCastExpr {{.*}} 'T U::*' <LValueToRValue>
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T U::*' lvalue ParmVar {{.*}} 'mpt' 'T U::*'
+    !mpt;
+
+    // CHECK: UnaryOperator {{.*}} '<dependent type>' prefix '&' cannot overflow
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T U::*' lvalue ParmVar {{.*}} 'mpt' 'T U::*'
+    &mpt;
+
+    // CHECK: UnaryOperator {{.*}} 'T ()' lvalue prefix '*' cannot overflow
+    // CHECK-NEXT: ImplicitCastExpr {{.*}} 'T (*)()' <FunctionToPointerDecay>
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T ()' lvalue ParmVar {{.*}} 'ft' 'T (&)()'
+    *ft;
+
+    // CHECK: UnaryOperator {{.*}} 'T (*)()' prefix '+' cannot overflow
+    // CHECK-NEXT: ImplicitCastExpr {{.*}} 'T (*)()' <FunctionToPointerDecay>
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T ()' lvalue ParmVar {{.*}} 'ft' 'T (&)()'
+    +ft;
+
+    // CHECK: UnaryOperator {{.*}} 'bool' prefix '!' cannot overflow
+    // CHECK-NEXT: ImplicitCastExpr {{.*}} 'bool' <PointerToBoolean>
+    // CHECK-NEXT: ImplicitCastExpr {{.*}} 'T (*)()' <FunctionToPointerDecay>
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T ()' lvalue ParmVar {{.*}} 'ft' 'T (&)()'
+    !ft;
+
+    // CHECK: UnaryOperator {{.*}} '<dependent type>' prefix '&' cannot overflow
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T ()' lvalue ParmVar {{.*}} 'ft' 'T (&)()'
+    &ft;
+
+    // CHECK: UnaryOperator {{.*}} 'T' lvalue prefix '*' cannot overflow
+    // CHECK-NEXT: ImplicitCastExpr {{.*}} 'T *' <ArrayToPointerDecay>
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T[4]' lvalue ParmVar {{.*}} 'at' 'T (&)[4]'
+    *at;
+
+    // CHECK: UnaryOperator {{.*}} 'T *' prefix '+' cannot overflow
+    // CHECK-NEXT: ImplicitCastExpr {{.*}} 'T *' <ArrayToPointerDecay>
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T[4]' lvalue ParmVar {{.*}} 'at' 'T (&)[4]'
+    +at;
+
+    // CHECK: UnaryOperator {{.*}} 'bool' prefix '!' cannot overflow
+    // CHECK-NEXT: ImplicitCastExpr {{.*}} 'bool' <PointerToBoolean>
+    // CHECK-NEXT: ImplicitCastExpr {{.*}} 'T *' <ArrayToPointerDecay>
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T[4]' lvalue ParmVar {{.*}} 'at' 'T (&)[4]'
+    !at;
+
+    // CHECK: UnaryOperator {{.*}} '<dependent type>' prefix '&' cannot overflow
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T[4]' lvalue ParmVar {{.*}} 'at' 'T (&)[4]'
+    &at;
+  }
+
+  template<typename T, typename U>
+  void Binary(T* pt, U* pu) {
+    // CHECK: BinaryOperator {{.*}} '<dependent type>' '+'
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T *' lvalue ParmVar {{.*}} 'pt' 'T *'
+    // CHECK-NEXT: IntegerLiteral {{.*}} 'int' 3
+    pt + 3;
+
+    // CHECK: BinaryOperator {{.*}} '<dependent type>' '-'
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T *' lvalue ParmVar {{.*}} 'pt' 'T *'
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T *' lvalue ParmVar {{.*}} 'pt' 'T *'
+    pt - pt;
+
+    // CHECK: BinaryOperator {{.*}} '<dependent type>' '-'
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T *' lvalue ParmVar {{.*}} 'pt' 'T *'
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'U *' lvalue ParmVar {{.*}} 'pu' 'U *'
+    pt - pu;
+
+    // CHECK: BinaryOperator {{.*}} '<dependent type>' '=='
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'T *' lvalue ParmVar {{.*}} 'pt' 'T *'
+    // CHECK-NEXT: DeclRefExpr {{.*}} 'U *' lvalue ParmVar {{.*}} 'pu' 'U *'
+    pt == pu;
+  }
+} // namespace Test
diff --git a/clang/test/CXX/over/over.built/p10.cpp b/clang/test/CXX/over/over.built/p10.cpp
@@ -15,6 +15,6 @@ void f(int i, float f, bool b, char c, int* pi, A* pa, T* pt) {
 
   (void)-pi; // expected-error {{invalid argument type}}
   (void)-pa; // expected-error {{invalid argument type}}
-  (void)-pt; // FIXME: we should be able to give an error here.
+  (void)-pt; // expected-error {{invalid argument type}}
 }
 
diff --git a/clang/test/CXX/over/over.built/p11.cpp b/clang/test/CXX/over/over.built/p11.cpp
@@ -7,6 +7,6 @@ void f(int i, float f, bool b, char c, int* pi, T* pt) {
   (void)~b;
   (void)~c;
   (void)~pi; // expected-error {{invalid argument type}}
-  (void)~pt; // FIXME: we should be able to give an error here.
+  (void)~pt; // expected-error {{invalid argument type}}
 }
 
diff --git a/clang/test/CXX/temp/temp.res/temp.dep/temp.dep.type/p4.cpp b/clang/test/CXX/temp/temp.res/temp.dep/temp.dep.type/p4.cpp
@@ -357,17 +357,14 @@ namespace N0 {
       a->A::f4(); // expected-error{{no member named 'f4' in 'N0::A'}}
       a->B::A::f4(); // expected-error{{no member named 'f4' in 'N0::A'}}
 
-      // FIXME: An overloaded unary 'operator*' is built for these
-      // even though the operand is a pointer (to a dependent type).
-      // Type::isOverloadableType should return false for such cases.
-      (*this).x4;
-      (*this).B::x4;
-      (*this).A::x4;
-      (*this).B::A::x4;
-      (*this).f4();
-      (*this).B::f4();
-      (*this).A::f4();
-      (*this).B::A::f4();
+      (*this).x4; // expected-error{{no member named 'x4' in 'B<T>'}}
+      (*this).B::x4; // expected-error{{no member named 'x4' in 'B<T>'}}
+      (*this).A::x4; // expected-error{{no member named 'x4' in 'N0::A'}}
+      (*this).B::A::x4; // expected-error{{no member named 'x4' in 'N0::A'}}
+      (*this).f4(); // expected-error{{no member named 'f4' in 'B<T>'}}
+      (*this).B::f4(); // expected-error{{no member named 'f4' in 'B<T>'}}
+      (*this).A::f4(); // expected-error{{no member named 'f4' in 'N0::A'}}
+      (*this).B::A::f4(); // expected-error{{no member named 'f4' in 'N0::A'}}
 
       b.x4; // expected-error{{no member named 'x4' in 'B<T>'}}
       b.B::x4; // expected-error{{no member named 'x4' in 'B<T>'}}
@@ -399,15 +396,13 @@ namespace N1 {
       f<0>();
       this->f<0>();
       a->f<0>();
-      // FIXME: This should not require 'template'!
-      (*this).f<0>(); // expected-error{{missing 'template' keyword prior to dependent template name 'f'}}
+      (*this).f<0>();
       b.f<0>();
 
       x.f<0>();
       this->x.f<0>();
       a->x.f<0>();
-      // FIXME: This should not require 'template'!
-      (*this).x.f<0>(); // expected-error{{missing 'template' keyword prior to dependent template name 'f'}}
+      (*this).x.f<0>();
       b.x.f<0>();
 
       // FIXME: None of these should require 'template'!

diff --git a/clang/test/CodeGenHLSL/builtins/RWBuffer-constructor.hlsl b/clang/test/CodeGenHLSL/builtins/RWBuffer-constructor.hlsl
@@ -1,4 +1,3 @@
-// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-library -x hlsl -emit-llvm -disable-llvm-passes -o - %s | FileCheck %s
 // RUN: %clang_cc1 -triple spirv-vulkan-library -x hlsl -emit-llvm -disable-llvm-passes -o - %s | FileCheck %s --check-prefix=CHECK-SPIRV
 
 RWBuffer<float> Buf;

diff --git a/clang/test/CodeGenHLSL/builtins/lerp.hlsl b/clang/test/CodeGenHLSL/builtins/lerp.hlsl
@@ -14,88 +14,98 @@
 // RUN:   -o - | FileCheck %s --check-prefixes=CHECK,NO_HALF,SPIR_NO_HALF,SPIR_CHECK
 
 
-// DXIL_NATIVE_HALF: %hlsl.lerp = call half @llvm.dx.lerp.f16(half %0, half %1, half %2)
-// SPIR_NATIVE_HALF: %hlsl.lerp = call half @llvm.spv.lerp.f16(half %0, half %1, half %2)
+// DXIL_NATIVE_HALF: %hlsl.lerp = call half @llvm.dx.lerp.f16(half %{{.*}}, half %{{.*}}, half %{{.*}})
+// SPIR_NATIVE_HALF: %hlsl.lerp = call half @llvm.spv.lerp.f16(half %{{.*}}, half %{{.*}}, half %{{.*}})
 // NATIVE_HALF: ret half %hlsl.lerp
-// DXIL_NO_HALF: %hlsl.lerp = call float @llvm.dx.lerp.f32(float %0, float %1, float %2)
-// SPIR_NO_HALF: %hlsl.lerp = call float @llvm.spv.lerp.f32(float %0, float %1, float %2)
+// DXIL_NO_HALF: %hlsl.lerp = call float @llvm.dx.lerp.f32(float %{{.*}}, float %{{.*}}, float %{{.*}})
+// SPIR_NO_HALF: %hlsl.lerp = call float @llvm.spv.lerp.f32(float %{{.*}}, float %{{.*}}, float %{{.*}})
 // NO_HALF: ret float %hlsl.lerp
 half test_lerp_half(half p0) { return lerp(p0, p0, p0); }
 
-// DXIL_NATIVE_HALF: %hlsl.lerp = call <2 x half> @llvm.dx.lerp.v2f16(<2 x half> %0, <2 x half> %1, <2 x half> %2)
-// SPIR_NATIVE_HALF: %hlsl.lerp = call <2 x half> @llvm.spv.lerp.v2f16(<2 x half> %0, <2 x half> %1, <2 x half> %2)
+// DXIL_NATIVE_HALF: %hlsl.lerp = call <2 x half> @llvm.dx.lerp.v2f16(<2 x half> %{{.*}}, <2 x half> %{{.*}}, <2 x half> %{{.*}})
+// SPIR_NATIVE_HALF: %hlsl.lerp = call <2 x half> @llvm.spv.lerp.v2f16(<2 x half> %{{.*}}, <2 x half> %{{.*}}, <2 x half> %{{.*}})
 // NATIVE_HALF: ret <2 x half> %hlsl.lerp
-// DXIL_NO_HALF: %hlsl.lerp = call <2 x float> @llvm.dx.lerp.v2f32(<2 x float> %0, <2 x float> %1, <2 x float> %2)
-// SPIR_NO_HALF: %hlsl.lerp = call <2 x float> @llvm.spv.lerp.v2f32(<2 x float> %0, <2 x float> %1, <2 x float> %2)
+// DXIL_NO_HALF: %hlsl.lerp = call <2 x float> @llvm.dx.lerp.v2f32(<2 x float> %{{.*}}, <2 x float> %{{.*}}, <2 x float> %{{.*}})
+// SPIR_NO_HALF: %hlsl.lerp = call <2 x float> @llvm.spv.lerp.v2f32(<2 x float> %{{.*}}, <2 x float> %{{.*}}, <2 x float> %{{.*}})
 // NO_HALF: ret <2 x float> %hlsl.lerp
 half2 test_lerp_half2(half2 p0) { return lerp(p0, p0, p0); }
 
-// DXIL_NATIVE_HALF: %hlsl.lerp = call <3 x half> @llvm.dx.lerp.v3f16(<3 x half> %0, <3 x half> %1, <3 x half> %2)
-// SPIR_NATIVE_HALF: %hlsl.lerp = call <3 x half> @llvm.spv.lerp.v3f16(<3 x half> %0, <3 x half> %1, <3 x half> %2)
+// DXIL_NATIVE_HALF: %hlsl.lerp = call <3 x half> @llvm.dx.lerp.v3f16(<3 x half> %{{.*}}, <3 x half> %{{.*}}, <3 x half> %{{.*}})
+// SPIR_NATIVE_HALF: %hlsl.lerp = call <3 x half> @llvm.spv.lerp.v3f16(<3 x half> %{{.*}}, <3 x half> %{{.*}}, <3 x half> %{{.*}})
 // NATIVE_HALF: ret <3 x half> %hlsl.lerp
-// DXIL_NO_HALF: %hlsl.lerp = call <3 x float> @llvm.dx.lerp.v3f32(<3 x float> %0, <3 x float> %1, <3 x float> %2)
-// SPIR_NO_HALF: %hlsl.lerp = call <3 x float> @llvm.spv.lerp.v3f32(<3 x float> %0, <3 x float> %1, <3 x float> %2)
+// DXIL_NO_HALF: %hlsl.lerp = call <3 x float> @llvm.dx.lerp.v3f32(<3 x float> %{{.*}}, <3 x float> %{{.*}}, <3 x float> %{{.*}})
+// SPIR_NO_HALF: %hlsl.lerp = call <3 x float> @llvm.spv.lerp.v3f32(<3 x float> %{{.*}}, <3 x float> %{{.*}}, <3 x float> %{{.*}})
 // NO_HALF: ret <3 x float> %hlsl.lerp
 half3 test_lerp_half3(half3 p0) { return lerp(p0, p0, p0); }
 
-// DXIL_NATIVE_HALF: %hlsl.lerp = call <4 x half> @llvm.dx.lerp.v4f16(<4 x half> %0, <4 x half> %1, <4 x half> %2)
-// SPIR_NATIVE_HALF: %hlsl.lerp = call <4 x half> @llvm.spv.lerp.v4f16(<4 x half> %0, <4 x half> %1, <4 x half> %2)
+// DXIL_NATIVE_HALF: %hlsl.lerp = call <4 x half> @llvm.dx.lerp.v4f16(<4 x half> %{{.*}}, <4 x half> %{{.*}}, <4 x half> %{{.*}})
+// SPIR_NATIVE_HALF: %hlsl.lerp = call <4 x half> @llvm.spv.lerp.v4f16(<4 x half> %{{.*}}, <4 x half> %{{.*}}, <4 x half> %{{.*}})
 // NATIVE_HALF: ret <4 x half> %hlsl.lerp
-// DXIL_NO_HALF: %hlsl.lerp = call <4 x float> @llvm.dx.lerp.v4f32(<4 x float> %0, <4 x float> %1, <4 x float> %2)
-// SPIR_NO_HALF: %hlsl.lerp = call <4 x float> @llvm.spv.lerp.v4f32(<4 x float> %0, <4 x float> %1, <4 x float> %2)
+// DXIL_NO_HALF: %hlsl.lerp = call <4 x float> @llvm.dx.lerp.v4f32(<4 x float> %{{.*}}, <4 x float> %{{.*}}, <4 x float> %{{.*}})
+// SPIR_NO_HALF: %hlsl.lerp = call <4 x float> @llvm.spv.lerp.v4f32(<4 x float> %{{.*}}, <4 x float> %{{.*}}, <4 x float> %{{.*}})
 // NO_HALF: ret <4 x float> %hlsl.lerp
 half4 test_lerp_half4(half4 p0) { return lerp(p0, p0, p0); }
 
-// DXIL_CHECK: %hlsl.lerp = call float @llvm.dx.lerp.f32(float %0, float %1, float %2)
-// SPIR_CHECK: %hlsl.lerp = call float @llvm.spv.lerp.f32(float %0, float %1, float %2)
+// DXIL_CHECK: %hlsl.lerp = call float @llvm.dx.lerp.f32(float %{{.*}}, float %{{.*}}, float %{{.*}})
+// SPIR_CHECK: %hlsl.lerp = call float @llvm.spv.lerp.f32(float %{{.*}}, float %{{.*}}, float %{{.*}})
 // CHECK: ret float %hlsl.lerp
 float test_lerp_float(float p0) { return lerp(p0, p0, p0); }
 
-// DXIL_CHECK: %hlsl.lerp = call <2 x float> @llvm.dx.lerp.v2f32(<2 x float> %0, <2 x float> %1, <2 x float> %2)
-// SPIR_CHECK: %hlsl.lerp = call <2 x float> @llvm.spv.lerp.v2f32(<2 x float> %0, <2 x float> %1, <2 x float> %2)
+// DXIL_CHECK: %hlsl.lerp = call <2 x float> @llvm.dx.lerp.v2f32(<2 x float> %{{.*}}, <2 x float> %{{.*}}, <2 x float> %{{.*}})
+// SPIR_CHECK: %hlsl.lerp = call <2 x float> @llvm.spv.lerp.v2f32(<2 x float> %{{.*}}, <2 x float> %{{.*}}, <2 x float> %{{.*}})
 // CHECK: ret <2 x float> %hlsl.lerp
 float2 test_lerp_float2(float2 p0) { return lerp(p0, p0, p0); }
 
-// DXIL_CHECK: %hlsl.lerp = call <3 x float> @llvm.dx.lerp.v3f32(<3 x float> %0, <3 x float> %1, <3 x float> %2)
-// SPIR_CHECK: %hlsl.lerp = call <3 x float> @llvm.spv.lerp.v3f32(<3 x float> %0, <3 x float> %1, <3 x float> %2)
+// DXIL_CHECK: %hlsl.lerp = call <3 x float> @llvm.dx.lerp.v3f32(<3 x float> %{{.*}}, <3 x float> %{{.*}}, <3 x float> %{{.*}})
+// SPIR_CHECK: %hlsl.lerp = call <3 x float> @llvm.spv.lerp.v3f32(<3 x float> %{{.*}}, <3 x float> %{{.*}}, <3 x float> %{{.*}})
 // CHECK: ret <3 x float> %hlsl.lerp
 float3 test_lerp_float3(float3 p0) { return lerp(p0, p0, p0); }
 
-// DXIL_CHECK: %hlsl.lerp = call <4 x float> @llvm.dx.lerp.v4f32(<4 x float> %0, <4 x float> %1, <4 x float> %2)
-// SPIR_CHECK: %hlsl.lerp = call <4 x float> @llvm.spv.lerp.v4f32(<4 x float> %0, <4 x float> %1, <4 x float> %2)
+// DXIL_CHECK: %hlsl.lerp = call <4 x float> @llvm.dx.lerp.v4f32(<4 x float> %{{.*}}, <4 x float> %{{.*}}, <4 x float> %{{.*}})
+// SPIR_CHECK: %hlsl.lerp = call <4 x float> @llvm.spv.lerp.v4f32(<4 x float> %{{.*}}, <4 x float> %{{.*}}, <4 x float> %{{.*}})
 // CHECK: ret <4 x float> %hlsl.lerp
 float4 test_lerp_float4(float4 p0) { return lerp(p0, p0, p0); }
 
-// DXIL_CHECK: %hlsl.lerp = call <2 x float> @llvm.dx.lerp.v2f32(<2 x float> %splat.splat, <2 x float> %1, <2 x float> %2)
-// SPIR_CHECK: %hlsl.lerp = call <2 x float> @llvm.spv.lerp.v2f32(<2 x float> %splat.splat, <2 x float> %1, <2 x float> %2)
+// CHECK: %[[b:.*]] = load <2 x float>, ptr %p1.addr, align 8
+// CHECK: %[[c:.*]] = load <2 x float>, ptr %p1.addr, align 8
+// DXIL_CHECK: %hlsl.lerp = call <2 x float> @llvm.dx.lerp.v2f32(<2 x float> %splat.splat, <2 x float> %[[b]], <2 x float> %[[c]])
+// SPIR_CHECK: %hlsl.lerp = call <2 x float> @llvm.spv.lerp.v2f32(<2 x float> %splat.splat, <2 x float> %[[b]], <2 x float> %[[c]])
 // CHECK: ret <2 x float> %hlsl.lerp
 float2 test_lerp_float2_splat(float p0, float2 p1) { return lerp(p0, p1, p1); }
 
-// DXIL_CHECK: %hlsl.lerp = call <3 x float> @llvm.dx.lerp.v3f32(<3 x float> %splat.splat, <3 x float> %1, <3 x float> %2)
-// SPIR_CHECK: %hlsl.lerp = call <3 x float> @llvm.spv.lerp.v3f32(<3 x float> %splat.splat, <3 x float> %1, <3 x float> %2)
+// CHECK: %[[b:.*]] = load <3 x float>, ptr %p1.addr, align 16
+// CHECK: %[[c:.*]] = load <3 x float>, ptr %p1.addr, align 16
+// DXIL_CHECK: %hlsl.lerp = call <3 x float> @llvm.dx.lerp.v3f32(<3 x float> %splat.splat, <3 x float> %[[b]], <3 x float> %[[c]])
+// SPIR_CHECK: %hlsl.lerp = call <3 x float> @llvm.spv.lerp.v3f32(<3 x float> %splat.splat, <3 x float> %[[b]], <3 x float> %[[c]])
 // CHECK: ret <3 x float> %hlsl.lerp
 float3 test_lerp_float3_splat(float p0, float3 p1) { return lerp(p0, p1, p1); }
 
-// DXIL_CHECK:  %hlsl.lerp = call <4 x float> @llvm.dx.lerp.v4f32(<4 x float> %splat.splat, <4 x float> %1, <4 x float> %2)
-// SPIR_CHECK:  %hlsl.lerp = call <4 x float> @llvm.spv.lerp.v4f32(<4 x float> %splat.splat, <4 x float> %1, <4 x float> %2)
+// CHECK: %[[b:.*]] = load <4 x float>, ptr %p1.addr, align 16
+// CHECK: %[[c:.*]] = load <4 x float>, ptr %p1.addr, align 16
+// DXIL_CHECK: %hlsl.lerp = call <4 x float> @llvm.dx.lerp.v4f32(<4 x float> %splat.splat, <4 x float> %[[b]], <4 x float> %[[c]])
+// SPIR_CHECK: %hlsl.lerp = call <4 x float> @llvm.spv.lerp.v4f32(<4 x float> %splat.splat, <4 x float> %[[b]], <4 x float> %[[c]])
 // CHECK:  ret <4 x float> %hlsl.lerp
 float4 test_lerp_float4_splat(float p0, float4 p1) { return lerp(p0, p1, p1); }
 
-// CHECK: %conv = sitofp i32 %2 to float
+// CHECK: %[[a:.*]] = load <2 x float>, ptr %p0.addr, align 8
+// CHECK: %[[b:.*]] = load <2 x float>, ptr %p0.addr, align 8
+// CHECK: %conv = sitofp i32 {{.*}} to float
 // CHECK: %splat.splatinsert = insertelement <2 x float> poison, float %conv, i64 0
 // CHECK: %splat.splat = shufflevector <2 x float> %splat.splatinsert, <2 x float> poison, <2 x i32> zeroinitializer
-// DXIL_CHECK: %hlsl.lerp = call <2 x float> @llvm.dx.lerp.v2f32(<2 x float> %0, <2 x float> %1, <2 x float> %splat.splat)
-// SPIR_CHECK: %hlsl.lerp = call <2 x float> @llvm.spv.lerp.v2f32(<2 x float> %0, <2 x float> %1, <2 x float> %splat.splat)
+// DXIL_CHECK: %hlsl.lerp = call <2 x float> @llvm.dx.lerp.v2f32(<2 x float> %[[a]], <2 x float> %[[b]], <2 x float> %splat.splat)
+// SPIR_CHECK: %hlsl.lerp = call <2 x float> @llvm.spv.lerp.v2f32(<2 x float> %[[a]], <2 x float> %[[b]], <2 x float> %splat.splat)
 // CHECK: ret <2 x float> %hlsl.lerp
 float2 test_lerp_float2_int_splat(float2 p0, int p1) {
   return lerp(p0, p0, p1);
 }
 
-// CHECK: %conv = sitofp i32 %2 to float
+// CHECK: %[[a:.*]] = load <3 x float>, ptr %p0.addr, align 16
+// CHECK: %[[b:.*]] = load <3 x float>, ptr %p0.addr, align 16
+// CHECK: %conv = sitofp i32 {{.*}} to float
 // CHECK: %splat.splatinsert = insertelement <3 x float> poison, float %conv, i64 0
 // CHECK: %splat.splat = shufflevector <3 x float> %splat.splatinsert, <3 x float> poison, <3 x i32> zeroinitializer
-// DXIL_CHECK:  %hlsl.lerp = call <3 x float> @llvm.dx.lerp.v3f32(<3 x float> %0, <3 x float> %1, <3 x float> %splat.splat)
-// SPIR_CHECK:  %hlsl.lerp = call <3 x float> @llvm.spv.lerp.v3f32(<3 x float> %0, <3 x float> %1, <3 x float> %splat.splat)
+// DXIL_CHECK:  %hlsl.lerp = call <3 x float> @llvm.dx.lerp.v3f32(<3 x float> %[[a]], <3 x float> %[[b]], <3 x float> %splat.splat)
+// SPIR_CHECK:  %hlsl.lerp = call <3 x float> @llvm.spv.lerp.v3f32(<3 x float> %[[a]], <3 x float> %[[b]], <3 x float> %splat.splat)
 // CHECK: ret <3 x float> %hlsl.lerp
 float3 test_lerp_float3_int_splat(float3 p0, int p1) {
   return lerp(p0, p0, p1);