For PR797:

Final removal of exceptions from lib/System and adjustment of users to
accommodate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29846 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 1 deletions

diff --git a/include/llvm/Support/GraphWriter.h b/include/llvm/Support/GraphWriter.h
index 845367bc80..6bf43d29c7 100644
--- a/include/llvm/Support/GraphWriter.h
+++ b/include/llvm/Support/GraphWriter.h
@@ -251,7 +251,11 @@ sys::Path WriteGraph(const GraphType &G,
     return Filename;
   }
   Filename.appendComponent(Name + ".dot");
-  Filename.makeUnique();
+  if (Filename.makeUnique(true,&ErrMsg)) {
+    std::cerr << "Error: " << ErrMsg << "\n";
+    return sys::Path();
+  }
+
   std::cerr << "Writing '" << Filename << "'... ";
   
   std::ofstream O(Filename.c_str());