For PR797:

Make sys::Program::ExecuteAndWait not throw exceptions and update any
affected code. It now return -9999 to signal that the program couldn't be
executed. Only one case (in bugpoint) actually examines the result code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29785 91177308-0d34-0410-b5e6-96231b3b80d8

tools/bugpoint/ToolRunner.cpp

@@ -55,7 +55,7 @@ static void ProcessFailure(sys::Path ProgPath, const char** Args) {
   sys::Path ErrorFilename("error_messages");
   ErrorFilename.makeUnique();
   RunProgramWithTimeout(ProgPath, Args, sys::Path(""), ErrorFilename,
-                        ErrorFilename);
+                        ErrorFilename); // FIXME: check return code
 
   // Print out the error messages generated by GCC if possible...
   std::ifstream ErrorFile(ErrorFilename.c_str());