https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97979
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 49625
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49625&action=edit
gcc11-pr97979.patch
The match.pd pattern was unprepared to handle int_const_binop giving up, which
it now does for some of the UB shifts (and I think should even for shifts with
positive shift amount but larger or equal to the bitsize). int_const_binop
similarly gives up for division by zero etc.
