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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug symtab/29453] [gdb/symtab] read.h:309: internal-error:
 set_length: Assertion `m_length == length' failed
Date: Sun, 07 Aug 2022 08:01:25 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29453

--- Comment #2 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom de Vries from comment #1)
> A simple fix is, don't calculate length based on the CU list:
> ...
> diff --git a/gdb/dwarf2/read.c b/gdb/dwarf2/read.c
> index c65a8831bcb..7253c7c0d3e 100644
> --- a/gdb/dwarf2/read.c
> +++ b/gdb/dwarf2/read.c
> @@ -4677,7 +4677,7 @@ create_cus_from_debug_names_list (dwarf2_per_bfd
> *per_bf
> d,
>                          " ignoring .debug_names."));
>               return false;
>             }
> -         const ULONGEST length =3D sect_off_next - sect_off_prev;
> +         const ULONGEST length =3D 0;
>           dwarf2_per_cu_data_up per_cu
>             =3D create_cu_from_index_list (per_bfd, &section, is_dwz,
>                                          sect_off_prev, length);
> ...

Tested this, no regressions.

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