https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94459
--- Comment #3 from Domani Hannes <ssbssa at yahoo dot de> ---
(In reply to Jakub Jelinek from comment #1)
> Looking through DW_TAG_const_type seems insufficient to me, can't there be
> other qualifications (at least DW_TAG_volatile_type, perhaps in various
> orders)?
> So wouldn't be better a loop as long as die and die->die_tag is one of
> dwarf_qual_info[?].t or DW_TAG_{rvalue_}reference, use die = get_AT_ref
> (die, DW_AT_type); ?
As suggested, I'm now using this:
--- gcc/dwarf2out.c 2020-03-12 12:07:21.000000000 +0100
+++ gcc/dwarf2out.c 2020-04-02 20:10:05.829023900 +0200
@@ -23016,6 +23016,11 @@
if (is_cxx () && debug_info_level > DINFO_LEVEL_TERSE)
{
dw_die_ref die = get_AT_ref (old_die, DW_AT_type);
+ while (die->die_tag == DW_TAG_reference_type
+ || die->die_tag == DW_TAG_rvalue_reference_type
+ || die->die_tag == DW_TAG_const_type
+ || die->die_tag == DW_TAG_volatile_type)
+ die = get_AT_ref (die, DW_AT_type);
if (die == auto_die || die == decltype_auto_die)
add_type_attribute (subr_die, TREE_TYPE (TREE_TYPE (decl)),
TYPE_UNQUALIFIED, false, context_die);
I don't think that restrict/atomic is possible for auto return types, but I may
be wrong about that.
