http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43716
--- Comment #43 from Richard Biener <rguenth at gcc dot gnu.org> 2012-12-07 14:28:56 UTC --- (In reply to comment #42) > > Re-adjust target milestone. Please somebody revisit the regression status > > and fill in known-to-work/fail fields. ISTR it only fails on darwin. > > (1) doduc.f90 is correctly compiled on x86_64-apple-darwin10 (r194291) with > the > options I have tried (typically -fprotect-parens -Ofast -funroll-loops > -ftree-loop-linear -fomit-frame-pointer -fwhole-program -flto, no valgrind > error with -O3 -ffast-math, no error with -fsanitize=address). > > (2) Per comment #30, this PR has been reopened for x86_64-unknown-linux-gnu. > > (3) Per comment #40: > > > tree if-conversion happily executes both arms of the conditional > > unconditionally with -ffast-math, ... > > so compiling with -ffpe-trap=invalid traps for results discarded later. -ffpe-trap=invalid -ffast-math is a non-sensical flag combination. You tell the compiler nothing will ever trap and then enable traps! So seeing errors with that tells you nothing ...
