> On Tue, Apr 04, 2023 at 01:21:40AM +0200, Jan Hubicka via Gcc-patches wrote: > > It is however really side case and I am worried about dropping > > pure/const from builtin declarations... > > Yeah, that can certainly break stuff. See e.g. the recently fixed > ICE when memcmp wasn't pure in PR109258.
Yep, i think itis better to poke about this in stage1 (it is a can of worms). Clearly we have conflict here: if memcmp is implemented locally one can construct a testcase where profile would be rejected on -fprofile-use time if const flag is not cleared :(. But it should be rare thing happening in practice. Honza > > Jakub >
