http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51906
--- Comment #11 from Jack Howarth <howarth at nitro dot med.uc.edu> 2012-01-28 16:49:14 UTC --- Created attachment 26492 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26492 diff of preprocessed source for libstdc++-v3/testsuite/30_threads/try_lock/3.cc generated with Xcode 4.2 on SL and with Xcode 4.2.1 on Lion for 10.6 API.
