https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118430
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[14/15 Regression] tail |[14 Regression] tail call |call vs IPA-VRP return |vs IPA-VRP return value |value range with constant |range with constant value |value | --- Comment #14 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Fixed on the trunk. Not sure about the backport, it is less important in 14 because there is no musttail and the patch is a new optimization which can e.g. introduce tail calls where they weren't before.