http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49270
--- Comment #6 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-06-03 02:40:41 UTC --- I can confirm that r174593 with http://gcc.gnu.org/ml/gcc-patches/2011-05/msg02301.html (as http://gcc.gnu.org/ml/gcc-patches/2011-05/msg02304.html is already applied to trunk) can bootstrap with... make BOOT_CFLAGS="-g -O3" CFLAGS_FOR_TARGET="-g -O3" CXXFLAGS_FOR_TARGET="-g -O3" on x86_64 darwin.