http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55996
--- Comment #5 from Steven Bosscher <steven at gcc dot gnu.org> 2013-03-13 22:34:37 UTC --- Fix for DSE causing combine compile time and memory explosion: http://gcc.gnu.org/ml/gcc-patches/2013-03/msg00379.html (rationale) http://gcc.gnu.org/ml/gcc-patches/2013-03/msg00441.html (corrected patch) Make gcse.c respect -fno-gcse-lm: http://gcc.gnu.org/ml/gcc-patches/2013-03/msg00386.html (already approved)