Fix the dangling pointer.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180658 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 321894ae00..5d152e5232 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -1792,8 +1792,8 @@ static void addDebugCompDirArg(const ArgList &Args, ArgStringList &CmdArgs) {
     return;
   }
   // Fall back to using getcwd.
-  const char *cwd = llvm::sys::Path::GetCurrentDirectory().c_str();
-  if (pwd && cwd) {
+  std::string cwd = llvm::sys::Path::GetCurrentDirectory().str();
+  if (pwd && !cwd.empty()) {
     CmdArgs.push_back("-fdebug-compilation-dir");
     CmdArgs.push_back(Args.MakeArgString(cwd));
   }