https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64183
--- Comment #2 from Ilya Enkovich <enkovich.gnu at gmail dot com> ---
(In reply to Richard Biener from comment #1)
> It works correctly for
>
> int bits;
>
> void
> test ()
> {
> while (bits < (unsigned int)25)
> bits += 8;
> }
Right. But shift operator in the attached testcase somehow breaks it after
r218142 adds a conversion to unsigned type for a second shift operand.
