Unify HLSL Change comments

tools/clang/include/clang/Basic/LangOptions.h

@@ -148,7 +148,7 @@ public:
 
 #endif
 
-  // MS Change Starts
+  // HLSL Change Starts
   unsigned HLSLVersion;  // Only supported for IntelliSense scenarios.
   std::string HLSLEntryFunction;
   std::string HLSLProfile;
@@ -156,7 +156,7 @@ public:
   unsigned RootSigMinor;
   bool IsHLSLLibrary;
   bool UseMinPrecision; // use min precision, not native precision.
-  // MS Change Ends
+  // HLSL Change Ends
 
   bool SPIRV = false;  // SPIRV Change
   

tools/clang/lib/AST/ASTDumper.cpp

@@ -1045,14 +1045,14 @@ void ASTDumper::dumpHLSLUnusualAnnotations(const ArrayRef<hlsl::UnusualAnnotatio
 // HLSL Change Ends
 
 void ASTDumper::dumpDecl(const Decl *D) {
-  // MS Change Starts: Don't display decls with invalid SourceLocations.
+  // HLSL Change Starts: Don't display decls with invalid SourceLocations.
   if (D && D->getDeclContext() &&
       D->getDeclContext()->getDeclKind() == Decl::Kind::TranslationUnit &&
       D->getSourceRange().isInvalid())
   {
     return;
   }
-  // MS Change Ends
+  // HLSL Change Ends
 
   dumpChild([=] {
     if (!D) {

tools/clang/lib/Parse/ParseDecl.cpp

@@ -6458,11 +6458,11 @@ void Parser::ParseFunctionDeclarator(Declarator &D,
 bool Parser::ParseRefQualifier(bool &RefQualifierIsLValueRef,
                                SourceLocation &RefQualifierLoc) {
   if (Tok.isOneOf(tok::amp, tok::ampamp)) {
-    // MS Change Starts
+    // HLSL Change Starts
     if (getLangOpts().HLSL) {
       Diag(Tok, diag::err_hlsl_unsupported_construct) << "reference qualifiers on functions";
     } else
-    // MS Change Ends
+    // HLSL Change Ends
     Diag(Tok, getLangOpts().CPlusPlus11 ?
          diag::warn_cxx98_compat_ref_qualifier :
          diag::ext_ref_qualifier);