https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112483
--- Comment #8 from Xi Ruoyao <xry111 at gcc dot gnu.org> --- (In reply to Tamar Christina from comment #7) > Yeah, that fold-rtx code is bogus. It's a latent bug. > > Optimizing copysign(x, -y) to neg(x) is just wrong. > > Will you be sending a patch Xi or do you want me to? Yes, I'm running a regression test now and I'll send the patch after it finishes.
