[Bug symtab/25067] GDB internal error while testing gdb.base/label.exp with -flto

keiths at redhat dot com sourceware-bugzilla@sourceware.org
Sun Oct 6 10:55:00 GMT 2019


https://sourceware.org/bugzilla/show_bug.cgi?id=25067

Keith Seitz <keiths at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
                 CC|                            |keiths at redhat dot com
           Assignee|unassigned at sourceware dot org   |keiths at redhat dot com

--- Comment #1 from Keith Seitz <keiths at redhat dot com> ---
This is due to a compiler bug, see gcc lto/91968, fixed by:

commit b6002905bd4639bd2f42c878f5641a34454fe423
Author: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Fri Oct 4 11:37:16 2019 +0000

    2019-10-04  Richard Biener  <rguenther@suse.de>

            PR lto/91968
            * tree.c (find_decls_types_r): Do not remove LABEL_DECLs from
            BLOCK_VARS.

I have a patch to deal with the assertion failure, but it is not
complete yet (need to write tests).

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