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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug default/25398] [dwz, fixed-needs-testcase] CU referenced from PU
Date: Thu, 25 Feb 2021 14:50:51 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D25398

--- Comment #4 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom de Vries from comment #1)
> Assert that catches the situation:
> ...
> diff --git a/dwz.c b/dwz.c
> index 0087ac7..4188e1a 100644
> --- a/dwz.c
> +++ b/dwz.c
> @@ -10938,6 +10938,8 @@ write_die (unsigned char *ptr, dw_cu_ref cu,
> dw_die_ref die,
>                     {
>                       dw_cu_ref refdcu =3D die_cu (refd);
>                       value =3D refd->u.p2.die_new_offset;
> +                     assert (IMPLIES (cu->cu_kind =3D=3D CU_PU,
> +                                      die_cu (refd)->cu_kind =3D=3D CU_P=
U));
>                       assert (value && refdcu->cu_kind !=3D CU_ALT);
>                       if (t->attr[j].form =3D=3D DW_FORM_ref_addr)
>                         {
> ...

https://sourceware.org/pipermail/dwz/2021q1/000976.html

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