1 files changed, 26 insertions, 0 deletions
diff --git a/clang/test/SemaObjC/incomplete-implementation.m b/clang/test/SemaObjC/incomplete-implementation.m
new file mode 100644
index 00000000000..612c331ae8c
--- /dev/null
+++ b/clang/test/SemaObjC/incomplete-implementation.m
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+@interface I
+- Meth; // expected-note{{method definition for 'Meth' not found}}
+@end
+
+@implementation  I  // expected-warning{{incomplete implementation}}
+@end
+
+@implementation I(CAT)
+- Meth {return 0;}
+@end
+
+#pragma GCC diagnostic ignored "-Wincomplete-implementation"
+@interface I2
+- Meth;
+@end
+
+@implementation  I2
+@end
+
+@implementation I2(CAT)
+- Meth {return 0;}
+@end
+
+