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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 07:02:04 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29453

--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
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);
...

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