r180658 - Fix the dangling pointer.

[Chad Rosier]

Author: mcrosier
Date: Fri Apr 26 19:57:18 2013
New Revision: 180658

URL: http://llvm.org/viewvc/llvm-project?rev=180658&view=rev
Log:
Fix the dangling pointer.

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

Modified: cfe/trunk/lib/Driver/Tools.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Tools.cpp?rev=180658&r1=180657&r2=180658&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/Tools.cpp (original)
+++ cfe/trunk/lib/Driver/Tools.cpp Fri Apr 26 19:57:18 2013
@@ -1792,8 +1792,8 @@ static void addDebugCompDirArg(const Arg
     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));
   }