https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67966
--- Comment #10 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- Revision r228586 also caused FAIL: g++.dg/opt/flifetime-dse2.C -std=gnu* execution test on x86_64-apple-darwin14 with both -m32 and -m64.
