1 files changed, 24 insertions, 0 deletions
diff --git a/test/SemaObjC/opaque-is-access-warn.m b/test/SemaObjC/opaque-is-access-warn.m
new file mode 100644
index 000000000000..ac0f724df6f6
--- /dev/null
+++ b/test/SemaObjC/opaque-is-access-warn.m
@@ -0,0 +1,24 @@
+// RUN: %clang -target x86_64-apple-darwin -arch arm64 -mios-version-min=7 -fsyntax-only -Wdeprecated-objc-isa-usage %s -Xclang -verify
+// RUN: %clang -target x86_64-apple-darwin -arch arm64 -mios-version-min=7 -fsyntax-only %s -Xclang -verify
+// RUN: %clang -target x86_64-apple-darwin -mios-simulator-version-min=7 -fsyntax-only -Wdeprecated-objc-isa-usage %s -Xclang -verify
+// rdar://10709102
+
+typedef struct objc_object {
+  struct objc_class *isa;
+} *id;
+
+@interface NSObject {
+  struct objc_class *isa;
+}
+@end
+@interface Whatever : NSObject
++self;
+@end
+
+static void func() {
+
+  id x;
+
+  [(*x).isa self]; // expected-error {{direct access to Objective-C's isa is deprecated in favor of object_getClass()}}
+  [x->isa self];   // expected-error {{direct access to Objective-C's isa is deprecated in favor of object_getClass()}}
+}