Add preprocessor-only test for submodule imports

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145490 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Modules/submodules.cpp b/test/Modules/submodules.cpp
index 6d541f69e7cd17411c402ec8caa985df90a9446a..fd1426d012f9c0a2636d6908a0e37f07da9cf17a 100644 (file)
--- a/test/Modules/submodules.cpp
+++ b/test/Modules/submodules.cpp
@@ -1,4 +1,5 @@
 // RUN: rm -rf %t
+// RUN: %clang_cc1 -Eonly -fmodule-cache-path %t -fauto-module-import -I %S/Inputs/submodules %s -verify
 // RUN: %clang_cc1 -fmodule-cache-path %t -fauto-module-import -I %S/Inputs/submodules %s -verify
 
 __import_module__ std.vector;