[Bug tree-optimization/94294] [missed optimization] new+delete of unused local string not removed

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94294

--- Comment #2 from Marc Glisse <glisse at gcc dot gnu.org> ---
(In reply to Eyal Rozenberg from comment #0)
> Note: I suppose it's theoretically possible that this bug only manifests
> because   bug 94293 prevents the allocated space from being recognized as
> unused; but I can't tell whether that's the case.

Pretty sure that's the case, gcc removes new/delete pairs now when nothing
writes to that memory.