Re: [PATCH] libstdc++: optimize EH phase 2

On Thu, 1 Jun 2023 at 04:13, Jason Merrill via Libstdc++ < libstd...@gcc.gnu.org> wrote: > Tested x86_64-pc-linux-gnu, OK for trunk? > OK, thanks. > > -- 8< -- > > In the ABI's two-phase EH model, first we walk the stack looking for a > handler, then we walk the stack running cleanups until we

[PATCH] libstdc++: optimize EH phase 2

Tested x86_64-pc-linux-gnu, OK for trunk? -- 8< -- In the ABI's two-phase EH model, first we walk the stack looking for a handler, then we walk the stack running cleanups until we reach that handler. In the cleanup phase, we shouldn't redundantly check the handlers along the way, e.g. when walki