Make sure to print a stack trace whenever an error signal is delivered to the

tool.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11632 91177308-0d34-0410-b5e6-96231b3b80d8

tools/llvm-as/llvm-as.cpp

@@ -45,6 +45,7 @@ DisableVerify("disable-verify", cl::Hidden,
 
 int main(int argc, char **argv) {
   cl::ParseCommandLineOptions(argc, argv, " llvm .ll -> .bc assembler\n");
+  PrintStackTraceOnErrorSignal();
 
   std::ostream *Out = 0;
   try {