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-rw-r--r--unittests/Tooling/TestVisitor.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/unittests/Tooling/TestVisitor.h b/unittests/Tooling/TestVisitor.h
index a762ec8b14530..adfd3ef60f500 100644
--- a/unittests/Tooling/TestVisitor.h
+++ b/unittests/Tooling/TestVisitor.h
@@ -53,7 +53,10 @@ public:
bool runOver(StringRef Code, Language L = Lang_CXX) {
std::vector<std::string> Args;
switch (L) {
- case Lang_C: Args.push_back("-std=c99"); break;
+ case Lang_C:
+ Args.push_back("-x");
+ Args.push_back("c");
+ break;
case Lang_CXX98: Args.push_back("-std=c++98"); break;
case Lang_CXX11: Args.push_back("-std=c++11"); break;
case Lang_CXX14: Args.push_back("-std=c++14"); break;