Declarators can have grouping parens.  This fixes rdar://7608537.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95246 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Parser/declarators.c b/test/Parser/declarators.c
index 7ec2a3c..6dd32d9 100644
--- a/test/Parser/declarators.c
+++ b/test/Parser/declarators.c
@@ -80,3 +80,6 @@
 void test12() {
   (void)__builtin_offsetof(struct { char c; int i; }, i);
 }
+
+// rdar://7608537
+struct test13 { int a; } (test13x);