https://bugs.freedesktop.org/show_bug.cgi?id=60929
--- Comment #24 from Laurent carlier lordheavym@gmail.com --- Fixed since llvm-3.4svn rev193971. Now the default behavior in LLVM is to have PrettyStackTrace disabled.
Mesa needs also the following patches to build: http://lists.freedesktop.org/archives/mesa-dev/2013-November/047501.html http://lists.freedesktop.org/archives/mesa-dev/2013-November/047625.html