Make helper function static. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@221290 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Driver/Driver.cpp b/lib/Driver/Driver.cpp
index b8b235c936828fefc92a469e150b00d2d70c3cc5..f827aaf166fe8cd7ff630d092d7d79f1fb23fd8e 100644 (file)
--- a/lib/Driver/Driver.cpp
+++ b/lib/Driver/Driver.cpp
@@ -1847,7 +1847,8 @@ Driver::generatePrefixedToolNames(const char *Tool, const ToolChain &TC,
   Names.push_back(Tool);
 }
 
-bool ScanDirForExecutable(SmallString<128> &Dir, ArrayRef<std::string> Names) {
+static bool ScanDirForExecutable(SmallString<128> &Dir,
+                                 ArrayRef<std::string> Names) {
   for (const auto &Name : Names) {
     llvm::sys::path::append(Dir, Name);
     if (llvm::sys::fs::can_execute(Twine(Dir)))