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
diff --git a/tools/llvm-prof/llvm-prof.cpp b/tools/llvm-prof/llvm-prof.cpp
index 3c9c390..2a7789d 100644
--- a/tools/llvm-prof/llvm-prof.cpp
+++ b/tools/llvm-prof/llvm-prof.cpp
@@ -18,6 +18,7 @@
 #include "llvm/Analysis/ProfileInfoLoader.h"
 #include "llvm/Bytecode/Reader.h"
 #include "Support/CommandLine.h"
+#include "Support/Signals.h"
 #include <cstdio>
 #include <map>
 #include <set>
@@ -80,6 +81,7 @@
 
 int main(int argc, char **argv) {
   cl::ParseCommandLineOptions(argc, argv, " llvm profile dump decoder\n");
+  PrintStackTraceOnErrorSignal();
 
   // Read in the bytecode file...
   std::string ErrorMessage;