[Bug c/78203] missing warning on return of unitialized variable

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78203

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Keywords|                            |diagnostic

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
There is a duplicate for this, we perform optimistic constant propagation which
makes i == 1 and eliminates the conditional uninitialized use very early.