commit e8b764144e5f5b9e01f7bcecb0b6e9d0eb9990e7
author Benjamin Kramer <benny.kra@googlemail.com> Thu Sep 24 14:48:37 2015 +0000
committer Benjamin Kramer <benny.kra@googlemail.com> Thu Sep 24 14:48:37 2015 +0000
tree b9302624e691fed26da946636293933d63e28c17
parent 3a91ada1e25423d8ccb234d41d336c72b37a42c7

[Driver] Don't implicitly copy std::strings in for-range loop.

Found by -Wrange-loop-analysis.

llvm-svn: 248495

clang/lib/Driver/ToolChains.cpp

diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index 3dd9979..04ea874 100644
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -1497,7 +1497,7 @@
     CudaPathCandidates.push_back(D.SysRoot + "/usr/local/cuda-7.0");
   }
 
-  for (const auto CudaPath : CudaPathCandidates) {
+  for (const auto &CudaPath : CudaPathCandidates) {
     if (CudaPath.empty() || !llvm::sys::fs::exists(CudaPath))
       continue;