Fix rewriting of ivars. Fixes radar 7490331.

llvm-svn: 92924

clang/lib/Frontend/RewriteObjC.cpp

@@ -1183,10 +1183,11 @@ Stmt *RewriteObjC::RewritePropertyGetter(ObjCPropertyRefExpr *PropRefExpr) {
 Stmt *RewriteObjC::RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV,
                                           SourceLocation OrigStart) {
   ObjCIvarDecl *D = IV->getDecl();
+  const Expr *BaseExpr = IV->getBase();
   if (CurMethodDef) {
-    if (const PointerType *pType = IV->getBase()->getType()->getAs<PointerType>()) {
+    if (IV->isArrow()) {
       ObjCInterfaceType *iFaceDecl =
-        dyn_cast<ObjCInterfaceType>(pType->getPointeeType());
+        dyn_cast<ObjCInterfaceType>(BaseExpr->getType()->getPointeeType());
       // lookup which class implements the instance variable.
       ObjCInterfaceDecl *clsDeclared = 0;
       iFaceDecl->getDecl()->lookupInstanceVariable(D->getIdentifier(),

clang/test/Rewriter/rewrite-ivar-use.m

@@ -0,0 +1,20 @@
+// RUN: %clang_cc1 -rewrite-objc %s -o -
+// radar 7490331
+
+@interface Foo {
+        int a;
+        id b;
+}
+- (void)bar;
+- (void)baz:(id)q;
+@end
+
+@implementation Foo
+- (void)bar {
+        a = 42;
+        [self baz:b];
+}
+- (void)baz:(id)q {
+}
+@end
+