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From: "amacleod at redhat dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/98026] optimization dependant on condition
 order
Date: Fri, 28 Jan 2022 23:18:04 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98026

--- Comment #5 from Andrew Macleod <amacleod at redhat dot com> ---
(In reply to Andrew Macleod from comment #4)
> > void f4(signed int i,unsigned int j) {
> >   if (i > 100) return;
> >   if (j > i) return;
> >=20
> >   if (j > 100) link_error();
>=20
> if i is -2 (0xfffffffe) and j is 0xffffffffff (-1)
>=20
> then link error cant be removed.. ?

err, j is 0xfffffffd (-3) you get the idea :-)

Friday evenings are killer for logic and bit patterns...=