Remove rdar links; NFC

This removes links to rdar, which is an internal bug tracker that the
community doesn't have visibility into.

See further discussion at:
https://discourse.llvm.org/t/code-review-reminder-about-links-in-code-commit-messages/71847

clang/lib/Analysis/CFG.cpp

@@ -2252,8 +2252,7 @@ CFGBlock *CFGBuilder::Visit(Stmt * S, AddStmtChoice asc,
       // FIXME: The expression inside a CXXDefaultArgExpr is owned by the
       // called function's declaration, not by the caller. If we simply add
       // this expression to the CFG, we could end up with the same Expr
-      // appearing multiple times.
-      // PR13385 / <rdar://problem/12156507>
+      // appearing multiple times. PR13385
       //
       // It's likewise possible for multiple CXXDefaultInitExprs for the same
       // expression to be used in the same function (through aggregate

clang/lib/Analysis/RetainSummaryManager.cpp

@@ -301,7 +301,6 @@ const RetainSummary *RetainSummaryManager::getSummaryForObjCOrCFObject(
 
   std::string RetTyName = RetTy.getAsString();
   if (FName == "pthread_create" || FName == "pthread_setspecific") {
-    // Part of: <rdar://problem/7299394> and <rdar://problem/11282706>.
     // This will be addressed better with IPA.
     return getPersistentStopSummary();
   } else if(FName == "NSMakeCollectable") {
@@ -311,7 +310,6 @@ const RetainSummary *RetainSummaryManager::getSummaryForObjCOrCFObject(
                                  : getPersistentStopSummary();
   } else if (FName == "CMBufferQueueDequeueAndRetain" ||
              FName == "CMBufferQueueDequeueIfDataReadyAndRetain") {
-    // Part of: <rdar://problem/39390714>.
     return getPersistentSummary(RetEffect::MakeOwned(ObjKind::CF),
                                 ScratchArgs,
                                 ArgEffect(DoNothing),
@@ -324,13 +322,11 @@ const RetainSummary *RetainSummaryManager::getSummaryForObjCOrCFObject(
                FName == "IOServiceNameMatching" ||
                FName == "IORegistryEntryIDMatching" ||
                FName == "IOOpenFirmwarePathMatching"))) {
-    // Part of <rdar://problem/6961230>. (IOKit)
     // This should be addressed using a API table.
     return getPersistentSummary(RetEffect::MakeOwned(ObjKind::CF), ScratchArgs,
                                 ArgEffect(DoNothing), ArgEffect(DoNothing));
   } else if (FName == "IOServiceGetMatchingService" ||
              FName == "IOServiceGetMatchingServices") {
-    // FIXES: <rdar://problem/6326900>
     // This should be addressed using a API table.  This strcmp is also
     // a little gross, but there is no need to super optimize here.
     ScratchArgs = AF.add(ScratchArgs, 1, ArgEffect(DecRef, ObjKind::CF));
@@ -339,14 +335,12 @@ const RetainSummary *RetainSummaryManager::getSummaryForObjCOrCFObject(
                                 ArgEffect(DoNothing), ArgEffect(DoNothing));
   } else if (FName == "IOServiceAddNotification" ||
              FName == "IOServiceAddMatchingNotification") {
-    // Part of <rdar://problem/6961230>. (IOKit)
     // This should be addressed using a API table.
     ScratchArgs = AF.add(ScratchArgs, 2, ArgEffect(DecRef, ObjKind::CF));
     return getPersistentSummary(RetEffect::MakeNoRet(),
                                 ScratchArgs,
                                 ArgEffect(DoNothing), ArgEffect(DoNothing));
   } else if (FName == "CVPixelBufferCreateWithBytes") {
-    // FIXES: <rdar://problem/7283567>
     // Eventually this can be improved by recognizing that the pixel
     // buffer passed to CVPixelBufferCreateWithBytes is released via
     // a callback and doing full IPA to make sure this is done correctly.
@@ -357,15 +351,13 @@ const RetainSummary *RetainSummaryManager::getSummaryForObjCOrCFObject(
                                 ScratchArgs,
                                 ArgEffect(DoNothing), ArgEffect(DoNothing));
   } else if (FName == "CGBitmapContextCreateWithData") {
-    // FIXES: <rdar://problem/7358899>
     // Eventually this can be improved by recognizing that 'releaseInfo'
     // passed to CGBitmapContextCreateWithData is released via
     // a callback and doing full IPA to make sure this is done correctly.
     ScratchArgs = AF.add(ScratchArgs, 8, ArgEffect(ArgEffect(StopTracking)));
     return getPersistentSummary(RetEffect::MakeOwned(ObjKind::CF), ScratchArgs,
                                 ArgEffect(DoNothing), ArgEffect(DoNothing));
   } else if (FName == "CVPixelBufferCreateWithPlanarBytes") {
-    // FIXES: <rdar://problem/7283567>
     // Eventually this can be improved by recognizing that the pixel
     // buffer passed to CVPixelBufferCreateWithPlanarBytes is released
     // via a callback and doing full IPA to make sure this is done
@@ -386,10 +378,9 @@ const RetainSummary *RetainSummaryManager::getSummaryForObjCOrCFObject(
                                 ArgEffect(DoNothing), ArgEffect(DoNothing));
   } else if (FName == "dispatch_set_context" ||
              FName == "xpc_connection_set_context") {
-    // <rdar://problem/11059275> - The analyzer currently doesn't have
-    // a good way to reason about the finalizer function for libdispatch.
-    // If we pass a context object that is memory managed, stop tracking it.
-    // <rdar://problem/13783514> - Same problem, but for XPC.
+    // The analyzer currently doesn't have a good way to reason about the
+    // finalizer function for libdispatch. If we pass a context object that is
+    // memory managed, stop tracking it.
     // FIXME: this hack should possibly go away once we can handle
     // libdispatch and XPC finalizers.
     ScratchArgs = AF.add(ScratchArgs, 1, ArgEffect(StopTracking));
@@ -740,7 +731,6 @@ RetainSummaryManager::canEval(const CallExpr *CE, const FunctionDecl *FD,
     // It's okay to be a little sloppy here.
     if (FName == "CMBufferQueueDequeueAndRetain" ||
         FName == "CMBufferQueueDequeueIfDataReadyAndRetain") {
-      // Part of: <rdar://problem/39390714>.
       // These are not retain. They just return something and retain it.
       return std::nullopt;
     }
@@ -1243,7 +1233,6 @@ void RetainSummaryManager::InitializeMethodSummaries() {
   // FIXME: For now we opt for false negatives with NSWindow, as these objects
   //  self-own themselves.  However, they only do this once they are displayed.
   //  Thus, we need to track an NSWindow's display status.
-  //  This is tracked in <rdar://problem/6062711>.
   //  See also http://llvm.org/bugs/show_bug.cgi?id=3714.
   const RetainSummary *NoTrackYet =
       getPersistentSummary(RetEffect::MakeNoRet(), ScratchArgs,
@@ -1259,7 +1248,6 @@ void RetainSummaryManager::InitializeMethodSummaries() {
 
   // For NSNull, objects returned by +null are singletons that ignore
   // retain/release semantics.  Just don't track them.
-  // <rdar://problem/12858915>
   addClassMethSummary("NSNull", "null", NoTrackYet);
 
   // Don't track allocated autorelease pools, as it is okay to prematurely

clang/lib/CodeGen/CGObjCMac.cpp

@@ -3329,7 +3329,7 @@ CGObjCCommonMac::EmitProtocolMethodTypes(Twine Name,
   struct _objc_method_list *instance_methods;
   struct _objc_method_list *class_methods;
   struct _objc_protocol_list *protocols;
-  uint32_t size; // <rdar://4585769>
+  uint32_t size;
   struct _objc_property_list *instance_properties;
   struct _objc_property_list *class_properties;
   };
@@ -4492,8 +4492,7 @@ llvm::FunctionType *FragileHazards::GetAsmFnType() {
   indeterminate value.  For the purposes of LLVM IR, it may be
   sufficient to make loads and stores within the @try (to variables
   declared outside the @try) volatile.  This is necessary for
-  optimized correctness, but is not currently being done; this is
-  being tracked as rdar://problem/8160285
+  optimized correctness, but is not currently being done.
 
   The basic framework for a @try-catch-finally is as follows:
   {
@@ -5092,7 +5091,7 @@ enum ImageInfoFlags {
   eImageInfo_OptimizedByDyld     = (1 << 3), // This flag is set by the dyld shared cache.
 
   // A flag indicating that the module has no instances of a @synthesize of a
-  // superclass variable. <rdar://problem/6803242>
+  // superclass variable.
   eImageInfo_CorrectedSynthesize = (1 << 4), // This flag is no longer set by clang.
   eImageInfo_ImageIsSimulated    = (1 << 5),
   eImageInfo_ClassProperties     = (1 << 6)

clang/lib/CodeGen/CodeGenModule.cpp

@@ -5989,7 +5989,7 @@ CodeGenModule::GetAddrOfConstantCFString(const StringLiteral *Literal) {
   }
 
   // Note: -fwritable-strings doesn't make the backing store strings of
-  // CFStrings writable. (See <rdar://problem/10657500>)
+  // CFStrings writable.
   auto *GV =
       new llvm::GlobalVariable(getModule(), C->getType(), /*isConstant=*/true,
                                llvm::GlobalValue::PrivateLinkage, C, ".str");

clang/lib/Driver/ToolChains/Clang.cpp

@@ -5531,8 +5531,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
   }
 
   // Enable -mconstructor-aliases except on darwin, where we have to work around
-  // a linker bug (see <rdar://problem/7651567>), and CUDA device code, where
-  // aliases aren't supported.
+  // a linker bug, and CUDA device code, where aliases aren't supported.
   if (!RawTriple.isOSDarwin() && !RawTriple.isNVPTX())
     CmdArgs.push_back("-mconstructor-aliases");
 

clang/lib/Sema/SemaObjCProperty.cpp

@@ -2795,9 +2795,7 @@ void Sema::CheckObjCPropertyAttributes(Decl *PDecl,
     }
 
     // FIXME: Implement warning dependent on NSCopying being
-    // implemented. See also:
-    // <rdar://5168496&4855821&5607453&5096644&4947311&5698469&4947014&5168496>
-    // (please trim this list while you are at it).
+    // implemented. (Please trim this list while you are at it.)
   }
 
   if (!(Attributes & ObjCPropertyAttribute::kind_copy) &&

clang/lib/StaticAnalyzer/Checkers/CheckSecuritySyntaxOnly.cpp

@@ -219,7 +219,6 @@ void WalkAST::VisitForStmt(ForStmt *FS) {
 
 //===----------------------------------------------------------------------===//
 // Check: floating point variable used as loop counter.
-// Originally: <rdar://problem/6336718>
 // Implements: CERT security coding advisory FLP-30.
 //===----------------------------------------------------------------------===//
 
@@ -468,7 +467,6 @@ void WalkAST::checkCall_bzero(const CallExpr *CE, const FunctionDecl *FD) {
 
 //===----------------------------------------------------------------------===//
 // Check: Any use of 'gets' is insecure.
-// Originally: <rdar://problem/6335715>
 // Implements (part of): 300-BSI (buildsecurityin.us-cert.gov)
 // CWE-242: Use of Inherently Dangerous Function
 //===----------------------------------------------------------------------===//
@@ -848,7 +846,6 @@ bool WalkAST::checkCall_strCommon(const CallExpr *CE, const FunctionDecl *FD) {
 
 //===----------------------------------------------------------------------===//
 // Check: Linear congruent random number generators should not be used
-// Originally: <rdar://problem/63371000>
 // CWE-338: Use of cryptographically weak prng
 //===----------------------------------------------------------------------===//
 
@@ -892,7 +889,6 @@ void WalkAST::checkCall_rand(const CallExpr *CE, const FunctionDecl *FD) {
 
 //===----------------------------------------------------------------------===//
 // Check: 'random' should not be used
-// Originally: <rdar://problem/63371000>
 //===----------------------------------------------------------------------===//
 
 void WalkAST::checkCall_random(const CallExpr *CE, const FunctionDecl *FD) {
@@ -991,7 +987,6 @@ void WalkAST::checkMsg_decodeValueOfObjCType(const ObjCMessageExpr *ME) {
 
 //===----------------------------------------------------------------------===//
 // Check: Should check whether privileges are dropped successfully.
-// Originally: <rdar://problem/6337132>
 //===----------------------------------------------------------------------===//
 
 void WalkAST::checkUncheckedReturnValue(CallExpr *CE) {

clang/lib/StaticAnalyzer/Checkers/RetainCountChecker/RetainCountDiagnostics.cpp

@@ -786,9 +786,8 @@ RefLeakReportVisitor::getEndPath(BugReporterContext &BRC,
   assert(RV);
 
   if (RV->getKind() == RefVal::ErrorLeakReturned) {
-    // FIXME: Per comments in rdar://6320065, "create" only applies to CF
-    // objects.  Only "copy", "alloc", "retain" and "new" transfer ownership
-    // to the caller for NS objects.
+    // FIXME: "create" only applies to CF objects.  Only "copy", "alloc",
+    // "retain" and "new" transfer ownership to the caller for NS objects.
     const Decl *D = &EndN->getCodeDecl();
 
     os << (isa<ObjCMethodDecl>(D) ? " is returned from a method "

clang/lib/StaticAnalyzer/Core/CallEvent.cpp

@@ -765,7 +765,7 @@ RuntimeDefinition CXXInstanceCall::getRuntimeDefinition() const {
     // the static type. However, because we currently don't update
     // DynamicTypeInfo when an object is cast, we can't actually be sure the
     // DynamicTypeInfo is up to date. This assert should be re-enabled once
-    // this is fixed. <rdar://problem/12287087>
+    // this is fixed.
     //assert(!MD->getParent()->isDerivedFrom(RD) && "Bad DynamicTypeInfo");
 
     return {};

clang/lib/StaticAnalyzer/Core/ExprEngineObjC.cpp

@@ -178,7 +178,7 @@ void ExprEngine::VisitObjCMessage(const ObjCMessageExpr *ME,
   // We could avoid dropping coverage by performing an explicit case split
   // on each method call -- but this would get very expensive. An alternative
   // would be to introduce lazy constraints.
-  // FIXME: This ignores many potential bugs (<rdar://problem/11733396>).
+  // FIXME: This ignores many potential bugs.
   // Revisit once we have lazier constraints.
   if (Msg->isInstanceMessage()) {
     SVal recVal = Msg->getReceiverSVal();

clang/test/ARCMT/GC-check-warn-nsalloc.m

@@ -1,7 +1,6 @@
 // RUN: %clang_cc1 -arcmt-action=check -no-ns-alloc-error -triple x86_64-apple-darwin10 -fobjc-gc-only %s 2>&1 | grep 'warning: \[rewriter\] call returns pointer to GC managed memory'
 // RUN: %clang_cc1 -arcmt-action=check -no-ns-alloc-error -triple x86_64-apple-darwin10 -fobjc-gc-only -x objective-c++ %s 2>&1 | grep 'warning: \[rewriter\] call returns pointer to GC managed memory'
 // TODO: Investigate VerifyDiagnosticConsumer failures on these tests when using -verify.
-// rdar://10532541
 
 typedef unsigned NSUInteger;
 void *__strong NSAllocateCollectable(NSUInteger size, NSUInteger options);

clang/test/ARCMT/GC-no-finalize-removal.m

@@ -77,7 +77,6 @@ -(void)test1:(CFTypeRef *)cft {
 }
 @end
 
-// rdar://10532449
 @interface rdar10532449
 @property (assign) id assign_prop;
 @property (assign, readonly) id __strong strong_readonly_prop;

clang/test/ARCMT/GC-no-finalize-removal.m.result

@@ -85,7 +85,6 @@ __attribute__((objc_arc_weak_reference_unavailable))
 }
 @end
 
-// rdar://10532449
 @interface rdar10532449
 @property (strong) id assign_prop;
 @property (strong, readonly) id  strong_readonly_prop;

clang/test/ARCMT/GC.m

@@ -77,7 +77,6 @@ -(void)test1:(CFTypeRef *)cft {
 }
 @end
 
-// rdar://10532449
 @interface rdar10532449
 @property (assign) id assign_prop;
 @property (assign, readonly) id __strong strong_readonly_prop;

clang/test/ARCMT/GC.m.result

@@ -72,7 +72,6 @@ __attribute__((objc_arc_weak_reference_unavailable))
 }
 @end
 
-// rdar://10532449
 @interface rdar10532449
 @property (strong) id assign_prop;
 @property (strong, readonly) id  strong_readonly_prop;

clang/test/ARCMT/check-with-pch.m

@@ -2,7 +2,6 @@
 // RUN: %clang_cc1 -include-pch %t.pch -arcmt-action=check -verify -triple x86_64-apple-darwin10 -fblocks -Werror %s
 // REQUIRES: x86-registered-target
 
-// rdar://9601437
 @interface I9601437 {
   __unsafe_unretained id x;
 }

clang/test/ARCMT/checking.m

@@ -288,7 +288,6 @@ id test9(Test9 *v) {
   return [v init1];
 }
 
-// rdar://9491791
 void rdar9491791(int p) {
   switch (p) {
   case 3:;
@@ -302,12 +301,10 @@ void rdar9491791(int p) {
 
 #define RELEASE_MACRO(x) do { [x release]; } while(1)
 
-// rdar://9504750
 void rdar9504750(id p) {
   RELEASE_MACRO(p); // expected-error {{ARC forbids explicit message send of 'release'}} 
 }
 
-// rdar://8939557
 @interface TestReadonlyProperty : NSObject
 @property(assign,readonly) NSObject *value;
 @end
@@ -319,7 +316,6 @@ - (void)viewDidLoad {
 }
 @end
 
-// rdar://9601437
 @interface I9601437 {
   __unsafe_unretained id x;
 }

clang/test/ARCMT/no-canceling-bridge-to-bridge-cast.m

@@ -1,5 +1,4 @@
 // RUN: %clang_cc1 -arcmt-action=check -triple x86_64-apple-darwin10 -fsyntax-only -x objective-c -verify %s
-// rdar://10387088
 typedef const void * CFTypeRef;
 CFTypeRef CFBridgingRetain(id X);
 id CFBridgingRelease(CFTypeRef);

clang/test/ARCMT/nonobjc-to-objc-cast-2.m

@@ -56,7 +56,6 @@ CFStringRef f3(void) {
 
 extern void NSLog(NSString *format, ...);
 
-// rdar://13192395
 void f4(NSString *s) {
   NSLog(@"%@", (CFStringRef)s); // expected-error {{cast of Objective-C pointer type 'NSString *' to C pointer type 'CFStringRef' (aka 'const struct __CFString *') requires a bridged cast}} \
     // expected-note{{use __bridge to convert directly (no change in ownership)}} \