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-rw-r--r--lib/Frontend/InitHeaderSearch.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Frontend/InitHeaderSearch.cpp b/lib/Frontend/InitHeaderSearch.cpp
index 2a27fb1bca..dc4078481c 100644
--- a/lib/Frontend/InitHeaderSearch.cpp
+++ b/lib/Frontend/InitHeaderSearch.cpp
@@ -113,7 +113,7 @@ void InitHeaderSearch::AddPath(const llvm::Twine &Path,
llvm::StringRef MappedPathStr = Path.toStringRef(MappedPathStorage);
// Handle isysroot.
- if (Group == System && !IgnoreSysRoot &&
+ if ((Group == System || Group == CXXSystem) && !IgnoreSysRoot &&
llvm::sys::path::is_absolute(MappedPathStr) &&
IsNotEmptyOrRoot) {
MappedPathStorage.clear();