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From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug ipa/99122] [10 Regression] ICE in force_constant_size, at
 gimplify.c:733
Date: Wed, 02 Jun 2021 12:25:40 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99122

--- Comment #33 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> so that would mean adding
>=20
>        && !DECL_BY_REFERENCE (DECL_RESULT (fndecl))
>=20
> I suppose or looking at DECL_RESULT in the first place (which is a pointer
> in that case).

Not in the array case though:

(gdb) p debug_tree(fndecl->decl_non_common.result)
 <result_decl 0x7ffff581c000 D.4658
    type <array_type 0x7ffff5818bd0 inline22__arr
        type <boolean_type 0x7ffff6934e70 boolean sizes-gimplified public
visited unsigned QI

(gdb) p fndecl->decl_non_common.result->decl_common.decl_by_reference_flag
$16 =3D 0=