1 files changed, 45 insertions, 9 deletions

diff --git a/lib/AST/Decl.cpp b/lib/AST/Decl.cpp
index 81f08787d515..2b22e5bb50a5 100644
--- a/lib/AST/Decl.cpp
+++ b/lib/AST/Decl.cpp
@@ -1414,6 +1414,11 @@ void NamedDecl::printQualifiedName(raw_ostream &OS,
                                    const PrintingPolicy &P) const {
   const DeclContext *Ctx = getDeclContext();
 
+  // For ObjC methods, look through categories and use the interface as context.
+  if (auto *MD = dyn_cast<ObjCMethodDecl>(this))
+    if (auto *ID = MD->getClassInterface())
+      Ctx = ID;
+
   if (Ctx->isFunctionOrMethod()) {
     printName(OS);
     return;
@@ -2143,13 +2148,6 @@ APValue *VarDecl::evaluateValue() const {
   return evaluateValue(Notes);
 }
 
-namespace {
-// Destroy an APValue that was allocated in an ASTContext.
-void DestroyAPValue(void* UntypedValue) {
-  static_cast<APValue*>(UntypedValue)->~APValue();
-}
-} // namespace
-
 APValue *VarDecl::evaluateValue(
     SmallVectorImpl<PartialDiagnosticAt> &Notes) const {
   EvaluatedStmt *Eval = ensureEvaluatedStmt();
@@ -2181,7 +2179,7 @@ APValue *VarDecl::evaluateValue(
   if (!Result)
     Eval->Evaluated = APValue();
   else if (Eval->Evaluated.needsCleanup())
-    getASTContext().AddDeallocation(DestroyAPValue, &Eval->Evaluated);
+    getASTContext().addDestruction(&Eval->Evaluated);
 
   Eval->IsEvaluating = false;
   Eval->WasEvaluated = true;
@@ -2510,7 +2508,7 @@ bool FunctionDecl::isVariadic() const {
 
 bool FunctionDecl::hasBody(const FunctionDecl *&Definition) const {
   for (auto I : redecls()) {
-    if (I->Body || I->IsLateTemplateParsed) {
+    if (I->doesThisDeclarationHaveABody()) {
       Definition = I;
       return true;
     }
@@ -3744,6 +3742,20 @@ void EnumDecl::completeDefinition(QualType NewType,
   TagDecl::completeDefinition();
 }
 
+bool EnumDecl::isClosed() const {
+  if (const auto *A = getAttr<EnumExtensibilityAttr>())
+    return A->getExtensibility() == EnumExtensibilityAttr::Closed;
+  return true;
+}
+
+bool EnumDecl::isClosedFlag() const {
+  return isClosed() && hasAttr<FlagEnumAttr>();
+}
+
+bool EnumDecl::isClosedNonFlag() const {
+  return isClosed() && !hasAttr<FlagEnumAttr>();
+}
+
 TemplateSpecializationKind EnumDecl::getTemplateSpecializationKind() const {
   if (MemberSpecializationInfo *MSI = getMemberSpecializationInfo())
     return MSI->getTemplateSpecializationKind();
@@ -4230,6 +4242,30 @@ TagDecl *TypedefNameDecl::getAnonDeclWithTypedefName(bool AnyRedecl) const {
   return nullptr;
 }
 
+bool TypedefNameDecl::isTransparentTagSlow() const {
+  auto determineIsTransparent = [&]() {
+    if (auto *TT = getUnderlyingType()->getAs<TagType>()) {
+      if (auto *TD = TT->getDecl()) {
+        if (TD->getName() != getName())
+          return false;
+        SourceLocation TTLoc = getLocation();
+        SourceLocation TDLoc = TD->getLocation();
+        if (!TTLoc.isMacroID() || !TDLoc.isMacroID())
+          return false;
+        SourceManager &SM = getASTContext().getSourceManager();
+        return SM.getSpellingLoc(TTLoc) == SM.getSpellingLoc(TDLoc);
+      }
+    }
+    return false;
+  };
+
+  bool isTransparent = determineIsTransparent();
+  CacheIsTransparentTag = 1;
+  if (isTransparent)
+    CacheIsTransparentTag |= 0x2;
+  return isTransparent;
+}
+
 TypedefDecl *TypedefDecl::CreateDeserialized(ASTContext &C, unsigned ID) {
   return new (C, ID) TypedefDecl(C, nullptr, SourceLocation(), SourceLocation(),
                                  nullptr, nullptr);