merge main into amd-staging (llvm#3771)

Author: z1-cciauto

clang-tools-extra/clang-doc/Serialize.cpp

@@ -778,7 +778,9 @@ static void populateSymbolInfo(SymbolInfo &I, const T *D, const FullComment *C,
     Mangler->mangleCXXVTable(CXXD, MangledStream);
   else
     MangledStream << D->getNameAsString();
-  if (MangledName.size() > 255)
+  // A 250 length limit was chosen since 255 is a common limit across
+  // different filesystems, with a 5 character buffer for file extensions.
+  if (MangledName.size() > 250)
     // File creation fails if the mangled name is too long, so default to the
     // USR. We should look for a better check since filesystems differ in
     // maximum filename length

clang-tools-extra/clang-tidy/utils/DesignatedInitializers.cpp

@@ -13,6 +13,7 @@
 
 #include "DesignatedInitializers.h"
 #include "clang/AST/DeclCXX.h"
+#include "clang/AST/Type.h"
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/ScopeExit.h"
 

clang-tools-extra/clang-tidy/utils/ExceptionSpecAnalyzer.cpp

@@ -9,6 +9,7 @@
 #include "ExceptionSpecAnalyzer.h"
 
 #include "clang/AST/Expr.h"
+#include "clang/AST/Type.h"
 
 namespace clang::tidy::utils {
 

clang-tools-extra/test/clang-doc/long-name.cpp

@@ -0,0 +1,14 @@
+// RUN: rm -rf %t && mkdir -p %t
+// RUN: clang-doc --output=%t --format=mustache --executor=standalone %s
+// RUN: ls %t/json | FileCheck %s -check-prefix=CHECK-JSON
+// RUN: ls %t/html | FileCheck %s -check-prefix=CHECK-HTML
+
+struct ThisStructHasANameThatResultsInAMangledNameThatIsExactly250CharactersLongThatIsSupposedToTestTheFilenameLengthLimitsWithinClangDocInOrdertoSeeifclangdocwillcrashornotdependingonthelengthofthestructIfTheLengthIsTooLongThenClangDocWillCrashAnd12 {};
+
+// This name is 1 character over the limit, so it will be serialized as a USR.
+struct ThisStructHasANameThatResultsInAMangledNameThatIsExactly251CharactersLongThatIsSupposedToTestTheFilenameLengthLimitsWithinClangDocInOrdertoSeeifclangdocwillcrashornotdependingonthelengthofthestructIfTheLengthIsTooLongThenClangDocWillCrashAnd123 {};
+
+// CHECK-JSON: ThisStructHasANameThatResultsInAMangledNameThatIsExactly250CharactersLongThatIsSupposedToTestTheFilenameLengthLimitsWithinClangDocInOrdertoSeeifclangdocwillcrashornotdependingonthelengthofthestructIfTheLengthIsTooLongThenClangDocWillCrashAnd12.json
+// CHECK-JSON: {{[0-9A-F]*}}.json
+// CHECK-HTML: ThisStructHasANameThatResultsInAMangledNameThatIsExactly250CharactersLongThatIsSupposedToTestTheFilenameLengthLimitsWithinClangDocInOrdertoSeeifclangdocwillcrashornotdependingonthelengthofthestructIfTheLengthIsTooLongThenClangDocWillCrashAnd12.html
+// CHECK-HTML: {{[0-9A-F]*}}.html

clang/include/clang/AST/Decl.h

@@ -22,7 +22,7 @@
 #include "clang/AST/ExternalASTSource.h"
 #include "clang/AST/NestedNameSpecifierBase.h"
 #include "clang/AST/Redeclarable.h"
-#include "clang/AST/Type.h"
+#include "clang/AST/TypeBase.h"
 #include "clang/Basic/AddressSpaces.h"
 #include "clang/Basic/Diagnostic.h"
 #include "clang/Basic/IdentifierTable.h"

clang/include/clang/AST/DeclCXX.h

@@ -22,10 +22,10 @@
 #include "clang/AST/Expr.h"
 #include "clang/AST/ExternalASTSource.h"
 #include "clang/AST/LambdaCapture.h"
-#include "clang/AST/NestedNameSpecifier.h"
+#include "clang/AST/NestedNameSpecifierBase.h"
 #include "clang/AST/Redeclarable.h"
 #include "clang/AST/Stmt.h"
-#include "clang/AST/Type.h"
+#include "clang/AST/TypeBase.h"
 #include "clang/AST/TypeLoc.h"
 #include "clang/AST/UnresolvedSet.h"
 #include "clang/Basic/LLVM.h"

clang/include/clang/AST/DeclarationName.h

@@ -13,7 +13,7 @@
 #ifndef LLVM_CLANG_AST_DECLARATIONNAME_H
 #define LLVM_CLANG_AST_DECLARATIONNAME_H
 
-#include "clang/AST/Type.h"
+#include "clang/AST/TypeBase.h"
 #include "clang/Basic/Diagnostic.h"
 #include "clang/Basic/IdentifierTable.h"
 #include "clang/Basic/OperatorKinds.h"

clang/include/clang/AST/Expr.h

@@ -23,7 +23,7 @@
 #include "clang/AST/OperationKinds.h"
 #include "clang/AST/Stmt.h"
 #include "clang/AST/TemplateBase.h"
-#include "clang/AST/Type.h"
+#include "clang/AST/TypeBase.h"
 #include "clang/Basic/CharInfo.h"
 #include "clang/Basic/LangOptions.h"
 #include "clang/Basic/SyncScope.h"

clang/include/clang/AST/TemplateBase.h

@@ -17,7 +17,7 @@
 #include "clang/AST/DependenceFlags.h"
 #include "clang/AST/NestedNameSpecifierBase.h"
 #include "clang/AST/TemplateName.h"
-#include "clang/AST/Type.h"
+#include "clang/AST/TypeBase.h"
 #include "clang/Basic/LLVM.h"
 #include "clang/Basic/SourceLocation.h"
 #include "llvm/ADT/APInt.h"