https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81655
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2017-08-02
Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 41890
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41890&action=edit
gcc8-pr81655.patch
Untested fix for the trunk, the issue is that we have in GIMPLE_COND bool_var
!= 1 and record that as low == high == 1 with negated in_p, while the code
expects low == high == 0 without negated in_p, which we would get e.g. for
bool_var == 0.
