1 files changed, 21 insertions, 15 deletions
diff --git a/contrib/llvm-project/clang/lib/AST/MicrosoftCXXABI.cpp b/contrib/llvm-project/clang/lib/AST/MicrosoftCXXABI.cpp
index 444e55f777fa..f9f9fe985b6f 100644
--- a/contrib/llvm-project/clang/lib/AST/MicrosoftCXXABI.cpp
+++ b/contrib/llvm-project/clang/lib/AST/MicrosoftCXXABI.cpp
@@ -14,6 +14,7 @@
 #include "CXXABI.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/Attr.h"
+#include "clang/AST/CXXInheritance.h"
 #include "clang/AST/DeclCXX.h"
 #include "clang/AST/MangleNumberingContext.h"
 #include "clang/AST/RecordLayout.h"
@@ -132,7 +133,7 @@ public:
 
   std::unique_ptr<MangleNumberingContext>
   createMangleNumberingContext() const override {
-    return llvm::make_unique<MicrosoftNumberingContext>();
+    return std::make_unique<MicrosoftNumberingContext>();
   }
 };
 }
@@ -154,27 +155,32 @@ static bool usesMultipleInheritanceModel(const CXXRecordDecl *RD) {
   return false;
 }
 
-MSInheritanceAttr::Spelling CXXRecordDecl::calculateInheritanceModel() const {
+MSInheritanceModel CXXRecordDecl::calculateInheritanceModel() const {
   if (!hasDefinition() || isParsingBaseSpecifiers())
-    return MSInheritanceAttr::Keyword_unspecified_inheritance;
+    return MSInheritanceModel::Unspecified;
   if (getNumVBases() > 0)
-    return MSInheritanceAttr::Keyword_virtual_inheritance;
+    return MSInheritanceModel::Virtual;
   if (usesMultipleInheritanceModel(this))
-    return MSInheritanceAttr::Keyword_multiple_inheritance;
-  return MSInheritanceAttr::Keyword_single_inheritance;
+    return MSInheritanceModel::Multiple;
+  return MSInheritanceModel::Single;
 }
 
-MSInheritanceAttr::Spelling
-CXXRecordDecl::getMSInheritanceModel() const {
+MSInheritanceModel CXXRecordDecl::getMSInheritanceModel() const {
   MSInheritanceAttr *IA = getAttr<MSInheritanceAttr>();
   assert(IA && "Expected MSInheritanceAttr on the CXXRecordDecl!");
-  return IA->getSemanticSpelling();
+  return IA->getInheritanceModel();
 }
 
-MSVtorDispAttr::Mode CXXRecordDecl::getMSVtorDispMode() const {
+bool CXXRecordDecl::nullFieldOffsetIsZero() const {
+  return !inheritanceModelHasOnlyOneField(/*IsMemberFunction=*/false,
+                                          getMSInheritanceModel()) ||
+         (hasDefinition() && isPolymorphic());
+}
+
+MSVtorDispMode CXXRecordDecl::getMSVtorDispMode() const {
   if (MSVtorDispAttr *VDA = getAttr<MSVtorDispAttr>())
     return VDA->getVtorDispMode();
-  return MSVtorDispAttr::Mode(getASTContext().getLangOpts().VtorDispMode);
+  return getASTContext().getLangOpts().getVtorDispMode();
 }
 
 // Returns the number of pointer and integer slots used to represent a member
@@ -209,19 +215,19 @@ MSVtorDispAttr::Mode CXXRecordDecl::getMSVtorDispMode() const {
 static std::pair<unsigned, unsigned>
 getMSMemberPointerSlots(const MemberPointerType *MPT) {
   const CXXRecordDecl *RD = MPT->getMostRecentCXXRecordDecl();
-  MSInheritanceAttr::Spelling Inheritance = RD->getMSInheritanceModel();
+  MSInheritanceModel Inheritance = RD->getMSInheritanceModel();
   unsigned Ptrs = 0;
   unsigned Ints = 0;
   if (MPT->isMemberFunctionPointer())
     Ptrs = 1;
   else
     Ints = 1;
-  if (MSInheritanceAttr::hasNVOffsetField(MPT->isMemberFunctionPointer(),
+  if (inheritanceModelHasNVOffsetField(MPT->isMemberFunctionPointer(),
                                           Inheritance))
     Ints++;
-  if (MSInheritanceAttr::hasVBPtrOffsetField(Inheritance))
+  if (inheritanceModelHasVBPtrOffsetField(Inheritance))
     Ints++;
-  if (MSInheritanceAttr::hasVBTableOffsetField(Inheritance))
+  if (inheritanceModelHasVBTableOffsetField(Inheritance))
     Ints++;
   return std::make_pair(Ptrs, Ints);
 }