Add test case for <rdar://problem/8452791> (fixed in r114392).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114989 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Index/cindex-on-invalid-usrs.m b/test/Index/cindex-on-invalid-usrs.m
new file mode 100644
index 0000000..01002bc
--- /dev/null
+++ b/test/Index/cindex-on-invalid-usrs.m
@@ -0,0 +1,7 @@
+// RUN: c-index-test -test-load-source-usrs local %s 2>&1 | FileCheck %s
+
+// <rdar://problem/8452791> - Crash when generating USRs.
+@interface Rdar8452791 () - (void)rdar8452791;
+
+// CHECK: error: cannot find interface declaration for 'Rdar8452791'
+// CHECK: missing @end