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From: "mark at klomp dot org" <sourceware-bugzilla@sourceware.org>
To: dwz@sourceware.org
Subject: [Bug default/26987] GCC 11 Ada binaries contain unknown tags
Date: Thu, 18 Feb 2021 21:19:41 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D26987

Mark Wielaard <mark at klomp dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #24 from Mark Wielaard <mark at klomp dot org> ---
commit bd3c7500ef144480bff353064195212f2e330e3d
Author: Mark Wielaard <mark@klomp.org>
Date:   Sat Feb 13 23:34:55 2021 +0100

    Don't handle blocks as exprlocs for DWARF version 4 or higher.

    Since DWARF version 4 blocks just contain bytes, trying to interpret
    them as exprlocs will most likely fail. Also make sure block1 form
    and len are correctly passed to add_locexpr_dummy_dies.

         * dwz.c (add_locexpr_dummy_dies): Only handle block as exprloc
         for cu_version < 4.
         (checksum_die): Likewise.
         (write_die): Likewise.
         (read_debug_info): Get block length before calling
         add_locexpr_dummy_dies.

    https://sourceware.org/bugzilla/show_bug.cgi?id=3D26987

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