Alternate fix to the modules failures that doesn't require us to tweak tgmath.h
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149210 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Modules/compiler_builtins.m b/test/Modules/compiler_builtins.m
index 3cf2414..52db15c 100644
--- a/test/Modules/compiler_builtins.m
+++ b/test/Modules/compiler_builtins.m
@@ -1,5 +1,5 @@
// RUN: rm -rf %t
-// RUN: %clang_cc1 -fmodules -fmodule-cache-path %t -verify %s
+// RUN: %clang -fsyntax-only -fmodules -fmodule-cache-path %t -Xclang -verify %s
@import __compiler_builtins.float_constants;