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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug symtab/27981] [gdb/symtab] CU importing itself causes gdb to
 segfault
Date: Mon, 14 Jun 2021 14:59:53 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D27981

--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
Created attachment 13494
  --> https://sourceware.org/bugzilla/attachment.cgi?id=3D13494&action=3Ded=
it
Test-case

Fail like this:
...
Running gdb.dwarf2/dw2-import-cycle.exp ...
ERROR: GDB process no longer exists

                =3D=3D=3D gdb Summary =3D=3D=3D

# of expected passes            1
# of unresolved testcases       1
...

Passes with target board readnow and cc-with-gdb-index.

Fails with target board cc-with-debug-names:
...
(gdb) p main^M
$1 =3D {<text variable, no debug info>} 0x4004a7 <main>^M
(gdb) FAIL: gdb.dwarf2/dw2-import-cycle.exp: p main
...

--=20
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