Remove trailing return flag from FunctionTypeLoc, since we now carry that

information on FunctionProtoType. (This also fixes one of *many* misalignment
problems in the TypeLoc hierarchy...)

llvm-svn: 161901

clang/include/clang/AST/TypeLoc.h

@@ -1061,7 +1061,6 @@ public:
 struct FunctionLocInfo {
   SourceLocation LocalRangeBegin;
   SourceLocation LocalRangeEnd;
-  bool TrailingReturn;
 };
 
 /// \brief Wrapper for source info for functions.
@@ -1084,13 +1083,6 @@ public:
     getLocalData()->LocalRangeEnd = L;
   }
 
-  bool getTrailingReturn() const {
-    return getLocalData()->TrailingReturn;
-  }
-  void setTrailingReturn(bool Trailing) {
-    getLocalData()->TrailingReturn = Trailing;
-  }
-
   ArrayRef<ParmVarDecl *> getParams() const {
     return ArrayRef<ParmVarDecl *>(getParmArray(), getNumArgs());
   }
@@ -1119,7 +1111,6 @@ public:
   void initializeLocal(ASTContext &Context, SourceLocation Loc) {
     setLocalRangeBegin(Loc);
     setLocalRangeEnd(Loc);
-    setTrailingReturn(false);
     for (unsigned i = 0, e = getNumArgs(); i != e; ++i)
       setArg(i, NULL);
   }

clang/lib/Sema/SemaType.cpp

@@ -3224,7 +3224,6 @@ namespace {
       assert(Chunk.Kind == DeclaratorChunk::Function);
       TL.setLocalRangeBegin(Chunk.Loc);
       TL.setLocalRangeEnd(Chunk.EndLoc);
-      TL.setTrailingReturn(Chunk.Fun.hasTrailingReturnType());
 
       const DeclaratorChunk::FunctionTypeInfo &FTI = Chunk.Fun;
       for (unsigned i = 0, e = TL.getNumArgs(), tpi = 0; i != e; ++i) {

clang/lib/Sema/TreeTransform.h

@@ -4205,7 +4205,7 @@ TreeTransform<Derived>::TransformFunctionProtoType(TypeLocBuilder &TLB,
 
   QualType ResultType;
 
-  if (TL.getTrailingReturn()) {
+  if (T->hasTrailingReturn()) {
     if (getDerived().TransformFunctionTypeParams(TL.getBeginLoc(),
                                                  TL.getParmArray(),
                                                  TL.getNumArgs(),
@@ -4262,7 +4262,6 @@ TreeTransform<Derived>::TransformFunctionProtoType(TypeLocBuilder &TLB,
   FunctionProtoTypeLoc NewTL = TLB.push<FunctionProtoTypeLoc>(Result);
   NewTL.setLocalRangeBegin(TL.getLocalRangeBegin());
   NewTL.setLocalRangeEnd(TL.getLocalRangeEnd());
-  NewTL.setTrailingReturn(TL.getTrailingReturn());
   for (unsigned i = 0, e = NewTL.getNumArgs(); i != e; ++i)
     NewTL.setArg(i, ParamDecls[i]);
 
@@ -4286,7 +4285,6 @@ QualType TreeTransform<Derived>::TransformFunctionNoProtoType(
   FunctionNoProtoTypeLoc NewTL = TLB.push<FunctionNoProtoTypeLoc>(Result);
   NewTL.setLocalRangeBegin(TL.getLocalRangeBegin());
   NewTL.setLocalRangeEnd(TL.getLocalRangeEnd());
-  NewTL.setTrailingReturn(false);
 
   return Result;
 }

clang/lib/Serialization/ASTReader.cpp

@@ -4259,7 +4259,6 @@ void TypeLocReader::VisitExtVectorTypeLoc(ExtVectorTypeLoc TL) {
 void TypeLocReader::VisitFunctionTypeLoc(FunctionTypeLoc TL) {
   TL.setLocalRangeBegin(ReadSourceLocation(Record, Idx));
   TL.setLocalRangeEnd(ReadSourceLocation(Record, Idx));
-  TL.setTrailingReturn(Record[Idx++]);
   for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) {
     TL.setArg(i, ReadDeclAs<ParmVarDecl>(Record, Idx));
   }

clang/lib/Serialization/ASTWriter.cpp

@@ -486,7 +486,6 @@ void TypeLocWriter::VisitExtVectorTypeLoc(ExtVectorTypeLoc TL) {
 void TypeLocWriter::VisitFunctionTypeLoc(FunctionTypeLoc TL) {
   Writer.AddSourceLocation(TL.getLocalRangeBegin(), Record);
   Writer.AddSourceLocation(TL.getLocalRangeEnd(), Record);
-  Record.push_back(TL.getTrailingReturn());
   for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i)
     Writer.AddDeclRef(TL.getArg(i), Record);
 }