Test case for bug fixed in r89457.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89605 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenObjC/undefined-protocol.m b/test/CodeGenObjC/undefined-protocol.m
new file mode 100644
index 0000000..7fe0790
--- /dev/null
+++ b/test/CodeGenObjC/undefined-protocol.m
@@ -0,0 +1,6 @@
+// RUN: clang-cc -emit-llvm-only -fgnu-runtime %s
+
+@protocol MadeUpProtocol;
+
+@interface Object <MadeUpProtocol> @end
+@implementation Object @end