1 files changed, 11 insertions, 0 deletions
diff --git a/test/SemaObjC/warn-unused-parameters.m b/test/SemaObjC/warn-unused-parameters.m
new file mode 100644
index 0000000000000..618dc3ff596ec
--- /dev/null
+++ b/test/SemaObjC/warn-unused-parameters.m
@@ -0,0 +1,11 @@
+// RUN: clang -fsyntax-only -Wunused -Xclang -verify %s
+
+@interface foo
+- (int)meth: (int)x: (int)y: (int)z ;
+@end
+
+@implementation foo
+- (int) meth: (int)x: 
+              (int)y: // expected-warning{{unused}} 
+              (int) __attribute__((unused))z { return x; }
+@end