[Bug ada/26903] FAIL: gdb.ada/array_of_variant.exp: scenario=minimal: print entire array

["vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=26903

--- Comment #8 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom de Vries from comment #0)
> With current trunk I see these FAILS:
> ...
> FAIL: gdb.ada/array_of_variant.exp: scenario=minimal: print entire array

I looked into this one.  With gcc-8 we have:
...
 <1><1769>: Abbrev Number: 21 (DW_TAG_array_type)
    <176a>   DW_AT_name        : (indirect string, offset: 0x20ad): p__array_t
    <176e>   DW_AT_type        : <0x1758>
    <1772>   DW_AT_sibling     : <0x1781>
 <2><1776>: Abbrev Number: 22 (DW_TAG_subrange_type)
    <1777>   DW_AT_type        : <0x1751>
    <177b>   DW_AT_upper_bound : 4 byte block: 91 b8 7f 6       (DW_OP_fbreg:
-72; DW_OP_deref)
 <2><1780>: Abbrev Number: 0
...
but with gcc-7:
...
 <1><9a5>: Abbrev Number: 22 (DW_TAG_array_type)
    <9a6>   DW_AT_name        : (indirect string, offset: 0xd90): p__array_t
    <9aa>   DW_AT_type        : <0x994>
    <9ae>   DW_AT_sibling     : <0x9b8>
 <2><9b2>: Abbrev Number: 23 (DW_TAG_subrange_type)
    <9b3>   DW_AT_type        : <0x98d>
 <2><9b7>: Abbrev Number: 0
...

So, the DW_AT_upper_bound is missing, IWO this looks like an xfail.

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