Fixed a bug exposed by referencing an ivar field using component reference syntax.

llvm-svn: 44553

Author: Fariborz Jahanian

clang/Driver/RewriteTest.cpp

@@ -593,7 +593,9 @@ void RewriteTest::RewriteInterfaceDecl(ObjcInterfaceDecl *ClassDecl) {
     ResultStr += "#define _REWRITER_typedef_";
     ResultStr += ClassDecl->getName();
     ResultStr += "\n";
-    ResultStr += "typedef struct objc_object ";
+    ResultStr += "typedef struct ";
+    ResultStr += ClassDecl->getName();
+    ResultStr += " ";
     ResultStr += ClassDecl->getName();
     ResultStr += ";\n#endif\n";
 

clang/test/Sema/undef-field-reference-1.m

@@ -0,0 +1,17 @@
+// RUN: clang -rewrite-test %s | clang
+
+#include <objc/objc.h>
+
+@interface MyDerived 
+{
+@public
+	int IVAR;
+}
+@end
+
+MyDerived *pd;
+int main() {
+	return pd->IVAR;
+}
+
+