Include system_error directly.
llvm-svn: 210802
diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index e18f71d..7157556 100644
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -30,9 +30,8 @@
#include "llvm/Support/Path.h"
#include "llvm/Support/Program.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/Support/system_error.h"
-
#include <cstdlib> // ::getenv
+#include <system_error>
using namespace clang::driver;
using namespace clang::driver::toolchains;