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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug ada/28115] Support packed array encoded as DW_TAG_subrange_type
Date: Tue, 07 Sep 2021 09:42:12 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D28115

--- Comment #3 from Tom de Vries <vries at gcc dot gnu.org> ---
Hmm, this recent gcc commit looks interesting:
...
commit c0b03afeab4502da3040ef1ebbd28f826737fa8a
Author: Eric Botcazou <ebotcazou@adacore.com>
Date:   Mon Sep 6 11:16:08 2021 +0200

    Fix debug info for packed array types in Ada

    Packed array types are sometimes represented with integer types under t=
he
    hood in Ada, but we nevertheless need to emit them as array types in the
    debug info so we have the types.get_array_descr_info langhook for this
    purpose; but it is not invoked from modified_type_die, which causes:

    FAIL: gdb.ada/arrayptr.exp: scenario=3Dminimal: print pa_ptr.all
    FAIL: gdb.ada/arrayptr.exp: scenario=3Dminimal: print pa_ptr.all(3)

    in the GDB testsuite.

    gcc/
            * dwarf2out.c (modified_type_die): Deal with all array types
earlier
            and use local variable consistently throughout the function.
...

--=20
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