https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87064
--- Comment #2 from Janne Blomqvist <jb at gcc dot gnu.org> --- I'm a bit confused, r263751 should only affect behavior wrt NaN's and possibly signed zeroes, and AFAICS none of those are present in the testcase. Can you print out the values of rv and vresult just before it stops?