https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64182
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |jakub at gcc dot gnu.org
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 34222
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34222&action=edit
gcc5-pr64182.patch
So like this (completely untested so far)? I'm hoping that remainder can't be
ever for signed numbers equal to minimum signed value and thus hopefully
wi::abs nor lshift of that by 1 should overflow. For UNSIGNED, not sure if
wi::neg_p () is the right test for whether lshift by 1 will overflow.
