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From: "mark at klomp dot org" <sourceware-bugzilla@sourceware.org>
To: elfutils-devel@sourceware.org
Subject: [Bug libdw/30047] libdw unable to handle DW_TAG_unspecified_type
Date: Tue, 14 Feb 2023 15:34:23 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D30047

Mark Wielaard <mark at klomp dot org> changed:

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

--- Comment #8 from Mark Wielaard <mark at klomp dot org> ---
commit f2c522567ad63ac293535fba9704895e685ab5bc
Author: Mark Wielaard <mark@klomp.org>
Date:   Thu Jan 26 18:19:15 2023 +0100

    backends: Handle DW_TAG_unspecified_type in dwarf_peeled_die_type

    binutils 2.40 introduces DW_TAG_unspecified_type for assembly
    functions with an unknown return type. This breaks the
    run-funcretval.sh testcase because dwfl_module_return_value_location
    returns an error for such functions because it cannot determine the
    return value location. Fix that by treating DW_TAG_unspecified_type
    as if the DIE doesn't have a DW_AT_type.

    Also update the testcase to explicitly checking for
    DW_TAG_unspecified_type and printing "returns unspecified type".

    https://sourceware.org/bugzilla/show_bug.cgi?id=3D30047

    Signed-off-by: Mark Wielaard <mark@klomp.org>

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