[Bug debug/101633] [debug] DW_TAG_subrange_type missing DW_AT_upper_bound

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101633

--- Comment #2 from Tom de Vries <vries at gcc dot gnu.org> ---
https://gcc.gnu.org/pipermail/gcc-patches/2017-May/474657.html :
...
>> 2017-05-15  Richard Biener  <rguenther@suse.de>
>>
>>       * dwarf2out.c (loc_list_from_tree_1): Do not create
>>       DW_OP_GNU_variable_value for DECL_IGNORED_P decls.
>
> Can you verify it e.g. in a bootstrapped cc1plus doesn't change the debug info
> (except for dwarf2out.o itself)?
> It looks reasonable and it would surprise me if did, just want to be sure.

Done.  Note it only happened for Ada.
...

Heh, indeed it did.