Bugpoint was not correctly capturing stderr! This caused it to "find" bugs
that didn't exist, missing the ones that do :(
llvm-svn: 12978
diff --git a/llvm/lib/Support/SystemUtils.cpp b/llvm/lib/Support/SystemUtils.cpp
index dafbf98..a39c5ab 100644
--- a/llvm/lib/Support/SystemUtils.cpp
+++ b/llvm/lib/Support/SystemUtils.cpp
@@ -142,7 +142,10 @@
case 0: // Child
RedirectFD(StdInFile, 0); // Redirect file descriptors...
RedirectFD(StdOutFile, 1);
- RedirectFD(StdErrFile, 2);
+ if (StdOutFile != StdErrFile)
+ RedirectFD(StdErrFile, 2);
+ else
+ dup2(1, 2);
execv(ProgramPath.c_str(), (char *const *)Args);
std::cerr << "Error executing program: '" << ProgramPath;