https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70378
Eric Gallager <egallager at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |egallager at gcc dot gnu.org
See Also| |https://gcc.gnu.org/bugzill
| |a/show_bug.cgi?id=70336
--- Comment #4 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Manuel López-Ibáñez from comment #3)
> (In reply to Manuel López-Ibáñez from comment #2)
> > Simpler testcase:
> >
> > typedef unsigned int uint32_t;
> > void foo(char a, uint32_t b)
> > {
> > b = (uint32_t)((b * 10) + (uint32_t)a);
> > }
> >
> > Something must be removing the explicit cast or messing up the expression.
>
> Perhaps a duplicate of PR70336. It seems that the move to match.pd just
> added more early folding that removes explicit casts.
70336 was fixed, though, and I still get a warning for this testcase...
