[libclang] Indexing API: Fix suppressing of references in macros and suppress
@class forward references.

rdar://10568080&10568103&10568119

llvm-svn: 146496
diff --git a/clang/test/Index/index-suppress-refs.h b/clang/test/Index/index-suppress-refs.h
new file mode 100644
index 0000000..2592f0f
--- /dev/null
+++ b/clang/test/Index/index-suppress-refs.h
@@ -0,0 +1,3 @@
+
+@interface I
+@end