r248495 - [Driver] Don't implicitly copy std::strings in for-range loop.

[Benjamin Kramer via cfe-commits]

Author: d0k
Date: Thu Sep 24 09:48:37 2015
New Revision: 248495

URL: http://llvm.org/viewvc/llvm-project?rev=248495&view=rev
Log:
[Driver] Don't implicitly copy std::strings in for-range loop.

Found by -Wrange-loop-analysis.

Modified:
    cfe/trunk/lib/Driver/ToolChains.cpp

Modified: cfe/trunk/lib/Driver/ToolChains.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains.cpp?rev=248495&r1=248494&r2=248495&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChains.cpp Thu Sep 24 09:48:37 2015
@@ -1497,7 +1497,7 @@ Generic_GCC::CudaInstallationDetector::i
     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;