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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug breakpoints/26544] linespec.c:3233: internal-error: void
 decode_line_full (): Assertion `result.size () == 1 ||
 canonical->pre_expanded' failed.
Date: Thu, 27 Aug 2020 09:10:11 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D26544

--- Comment #4 from Tom de Vries <vries at gcc dot gnu.org> ---
Message improved:
...
diff --git a/gdb/linespec.c b/gdb/linespec.c
index 4a634e3aff..75ed8a9971 100644
--- a/gdb/linespec.c
+++ b/gdb/linespec.c
@@ -3230,6 +3230,10 @@ decode_line_full (const struct event_location *loca
tion, int flags,
                                                                location);
   state =3D PARSER_STATE (&parser);

+  if (result.size () =3D=3D 0)
+    throw_error (NOT_SUPPORTED_ERROR, _("Location %s not available"),
+                event_location_to_string ((struct event_location *)locatio=
n))
;
+
   gdb_assert (result.size () =3D=3D 1 || canonical->pre_expanded);
   canonical->pre_expanded =3D 1;
...=20

Such that we have:
...
$ gdb a.out
Reading symbols from a.out...
(gdb) b main:L1
Location main:L1 not available
(gdb)=20
...

--=20
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