Bugpoint support for miscompilations that result in a crash.

This change allows bugpoint to pinpoint the "opt" pass and bitcode
segment responsible for a crash caused by miscompilation. At least it
works well for me now, without having to create any custom execution
wrappers.

llvm-svn: 131186

1 files changed, 3 insertions, 2 deletions

diff --git a/llvm/lib/Support/Program.cpp b/llvm/lib/Support/Program.cpp
index 01860b082d6..fa816f68c8a 100644
--- a/llvm/lib/Support/Program.cpp
+++ b/llvm/lib/Support/Program.cpp
@@ -28,10 +28,11 @@ Program::ExecuteAndWait(const Path& path,
                         const Path** redirects,
                         unsigned secondsToWait,
                         unsigned memoryLimit,
-                        std::string* ErrMsg) {
+                        std::string* ErrMsg,
+                        const char* SignalPrefix) {
   Program prg;
   if (prg.Execute(path, args, envp, redirects, memoryLimit, ErrMsg))
-    return prg.Wait(path, secondsToWait, ErrMsg);
+    return prg.Wait(path, secondsToWait, ErrMsg, SignalPrefix);
   else
     return -1;
 }