From: Artem Belevich <tra@google.com>
Date: Wed, 18 Nov 2015 00:37:41 +0000 (+0000)
Subject: Fix for use-after-free which caused test failure in cuda-detect.cu.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=51ff8d7aa82cee89c4770832084ef5052692090a;p=clang

Fix for use-after-free which caused test failure in cuda-detect.cu.

Return std::string itself instead StringRef to a temporary std::string.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@253410 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Driver/ToolChains.h b/lib/Driver/ToolChains.h
index b18739ce39..2b655f62bd 100644
--- a/lib/Driver/ToolChains.h
+++ b/lib/Driver/ToolChains.h
@@ -186,7 +186,7 @@ protected:
     /// \brief Get the detected Cuda device library path.
     StringRef getLibDevicePath() const { return CudaLibDevicePath; }
     /// \brief Get libdevice file for given architecture
-    StringRef getLibDeviceFile(StringRef Gpu) const {
+    std::string getLibDeviceFile(StringRef Gpu) const {
       return CudaLibDeviceMap.lookup(Gpu);
     }
   };