Fix a recent regression probably caused by addition of altivec-style

type-casts in the parser.

llvm-svn: 89691

clang/include/clang/Parse/Action.h

@@ -1048,6 +1048,10 @@ public:
     return ExprEmpty();
   }
 
+  virtual bool TypeIsVectorType(TypeTy *Ty) {
+    return false;
+  }
+
   virtual OwningExprResult ActOnBinOp(Scope *S, SourceLocation TokLoc,
                                       tok::TokenKind Kind,
                                       ExprArg LHS, ExprArg RHS) {

clang/lib/Parse/ParseExpr.cpp

@@ -1365,7 +1365,8 @@ Parser::ParseParenExpression(ParenParseOption &ExprType, bool stopIfCastExpr,
 
       // Parse the cast-expression that follows it next.
       // TODO: For cast expression with CastTy.
-      Result = ParseCastExpression(false, false, true);
+      Result = ParseCastExpression(false, false, 
+                                   Actions.TypeIsVectorType(CastTy));
       if (!Result.isInvalid())
         Result = Actions.ActOnCastExpr(CurScope, OpenLoc, CastTy, RParenLoc,
                                        move(Result));

clang/lib/Sema/Sema.h

@@ -1536,6 +1536,9 @@ public:
   virtual OwningExprResult ActOnCastExpr(Scope *S, SourceLocation LParenLoc,
                                          TypeTy *Ty, SourceLocation RParenLoc,
                                          ExprArg Op);
+  virtual bool TypeIsVectorType(TypeTy *Ty) {
+    return GetTypeFromParser(Ty)->isVectorType();
+  }
 
   OwningExprResult MaybeConvertParenListExprToParenExpr(Scope *S, ExprArg ME);
   OwningExprResult ActOnCastOfParenListExpr(Scope *S, SourceLocation LParenLoc,

clang/test/Sema/cast.c

@@ -12,3 +12,7 @@ void bar() {
   a = (char*)b; // expected-error {{cannot be cast to a pointer type}}
 }
 
+long bar1(long *next) {
+        return (long)(*next)++;  
+}
+