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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/104675] [9/10/11/12 Regression] ICE: in
 expand_expr_real_2, at expr.cc:9773 at -O with __real__ + __imag__ extraction
Date: Thu, 24 Feb 2022 11:00:31 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104675

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #3)
>=20
> I think both:
>   /* -A - 1 -> ~A */
>   (simplify
>    (minus (convert? (negate @0)) integer_each_onep)
>    (if (!TYPE_OVERFLOW_TRAPS (type)
>         && tree_nop_conversion_p (type, TREE_TYPE (@0)))
>     (bit_not (convert @0))))
>=20
>   /* -1 - A -> ~A */
>   (simplify
>    (minus integer_all_onesp @0)
>    (bit_not @0))
> needs to punt for COMPLEX_TYPE.

Yes agreed. In fact that is basically what I wrote to the original patch on=
 the
mailing list a few minutes ago.=