http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52179
--- Comment #9 from Jack Howarth <howarth at nitro dot med.uc.edu> 2012-02-23 02:42:47 UTC --- (In reply to comment #8) This change bootstraps fine with current gcc trunk on x86_64-apple-darwin11. It almost fixes the failures in the boehm-gc test suite. The -m32 results always pass as... === boehm-gc Summary for unix/-m32 === # of expected passes 12 # of unsupported tests 1 but often the -m64 results show the failure... WARNING: program timed out. FAIL: boehm-gc.c/thread_leak_test.c -O2 execution test Running /sw/src/fink.build/gcc47-4.7.0-1/gcc-4.7-20120222/boehm-gc/testsuite/boehm-gc.lib/lib.exp ... === boehm-gc Summary for unix/-m64 === # of expected passes 11 # of unexpected failures 1 # of unsupported tests 1 Are there any other darwin related changes upstream?