https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55591
--- Comment #11 from tkoenig at netcologne dot de <tkoenig at netcologne dot de> --- Am 05.04.19 um 18:20 schrieb dominiq at lps dot ens.fr: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55591 > > --- Comment #10 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- >> Testing the updated patch > > The patch retested cleanly, but so far does not show a noticeable compilation > speed up (pr55585 being fixed since some time). > >> Ugh, this looks like a very bad idea. -fstrict-aliasing is very picky >> about type punning and, the last time I looked, the Fortran front-end >> wasn't particularly careful about it. Having a safe optimization mode >> wrt it is generally helpful. > > If there is no further feedback, I'll close the PR as WONTFIX. It might actually make more sense to set the default to "no" (if that isn't already happening by default, I haven't checked).
