diagnose declaring class extension after its implementation
(radar 7822210).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100226 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaObjC/class-extension-after-implementation.m b/test/SemaObjC/class-extension-after-implementation.m
new file mode 100644
index 0000000..2d8a5b1
--- /dev/null
+++ b/test/SemaObjC/class-extension-after-implementation.m
@@ -0,0 +1,11 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+// rdar://7822210
+
+@interface A @end
+
+@implementation A @end // expected-note {{class implementation is declared here}}
+
+@interface A () // expected-error {{cannot declare class extension for 'A' after class implementation}}
+-(void) im0;
+@end
+