another test for modern ivar access rewrite.

llvm-svn: 151208

clang/test/Rewriter/rewrite-cast-ivar-modern-access.mm

@@ -0,0 +1,46 @@
+// RUN: %clang_cc1 -x objective-c++ -fblocks -fms-extensions -rewrite-objc %s -o %t-rw.cpp 
+// RUN: %clang_cc1 -fsyntax-only -fblocks -Wno-address-of-temporary -D"Class=void*" -D"id=void*" -D"SEL=void*" -D"__declspec(X)=" %t-rw.cpp
+
+@interface F {
+  int supervar;
+}
+@end
+
+@interface G : F {
+@public
+  int ivar;
+}
+@end
+
+@implementation G
+- (void)foo:(F *)arg {
+        int q = arg->supervar;
+        int v = ((G *)arg)->ivar;
+}
+@end
+
+void objc_assign_strongCast(id);
+void __CFAssignWithWriteBarrier(void **location, void *value) {
+        objc_assign_strongCast((id)value);
+}
+
+// radar 7607605
+@interface RealClass {
+        @public
+        int f;
+}
+@end
+
+@implementation RealClass
+@end
+
+@interface Foo {
+        id reserved;
+}
+@end
+
+@implementation Foo
+- (void)bar {
+        ((RealClass*)reserved)->f = 99;
+}
+@end