http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57192
--- Comment #10 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> 2013-05-08 06:18:54 UTC --- (In reply to comment #9) > On x86_64-apple-darwin10.8.0 at revision 198697 with the patch at > http://gcc.gnu.org/ml/gcc-patches/2013-05/msg00367.html the test executes > under > valgrind without error (but some "reachable" memory leaks). also with the patch, which I assumed is the one attached to this PR, applied to gcc, I see the valgrind warnings during compilation. Can you check what you see by running f951 under valgrind ?