Unbreak VC++ build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31464 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/bugpoint/ExecutionDriver.cpp b/tools/bugpoint/ExecutionDriver.cpp
index f71d7ba..dedf91e 100644
--- a/tools/bugpoint/ExecutionDriver.cpp
+++ b/tools/bugpoint/ExecutionDriver.cpp
@@ -320,7 +320,7 @@
 bool BugDriver::createReferenceFile(Module *M, const std::string &Filename) {
   try {
     compileProgram(Program);
-  } catch (ToolExecutionError &TEE) {
+  } catch (ToolExecutionError &) {
     return false;
   }
   try {