1 files changed, 53 insertions, 0 deletions
diff --git a/test/Rewriter/rewrite-cast-ivar-access.mm b/test/Rewriter/rewrite-cast-ivar-access.mm
new file mode 100644
index 000000000000..c04cbab40369
--- /dev/null
+++ b/test/Rewriter/rewrite-cast-ivar-access.mm
@@ -0,0 +1,53 @@
+// RUN: %clang_cc1 -x objective-c++ -fblocks -fms-extensions -rewrite-objc %s -o %t-rw.cpp
+// RUN: FileCheck -check-prefix LP --input-file=%t-rw.cpp %s
+// radar 7575882
+
+@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
+
+// CHECK-LP: ((struct G_IMPL *)arg)->ivar
+
+// CHECK-LP: objc_assign_strongCast((id)value)
+
+// CHECK-LP: ((struct RealClass_IMPL *)((RealClass *)((struct Foo_IMPL *)self)->reserved))->f