Avoid picking up system headers in unittest by providing a fake libstdc++ with a ridiculously high version number.

The host libstdc++ may be horribly broken and we want the fake one to be
picked up. This workaround is lame but I don't see a better way.

llvm-svn: 254446

1 files changed, 4 insertions, 2 deletions

diff --git a/clang/unittests/libclang/LibclangTest.cpp b/clang/unittests/libclang/LibclangTest.cpp
index 9eb3fd043f4..e190dec89a8 100644
--- a/clang/unittests/libclang/LibclangTest.cpp
+++ b/clang/unittests/libclang/LibclangTest.cpp
@@ -469,9 +469,11 @@ TEST_F(LibclangReparseTest, ReparseWithModule) {
 }
 
 TEST_F(LibclangReparseTest, clang_parseTranslationUnit2FullArgv) {
-  std::string EmptyFiles[] = {"lib/gcc/arm-linux-gnueabi/4.6.1/crtbegin.o",
+  // Provide a fake GCC 99.9.9 standard library that always overrides any local
+  // GCC installation.
+  std::string EmptyFiles[] = {"lib/gcc/arm-linux-gnueabi/99.9.9/crtbegin.o",
                               "include/arm-linux-gnueabi/.keep",
-                              "include/c++/4.6.1/vector"};
+                              "include/c++/99.9.9/vector"};
 
   for (auto &Name : EmptyFiles)
     WriteFile(Name, "\n");