| Message ID | 1867427.PYKUYFuaPT@arcturus |
|---|---|
| State | New |
| Headers | show |
| Series | Fix regression in debug info for Ada with DWARF 5 | expand |
On Mon, Aug 16, 2021 at 12:25 PM Eric Botcazou <botcazou@adacore.com> wrote: > > Hi, > > add_scalar_info can directly generate a reference to an existing DIE for a > scalar attribute, e.g the upper bound of a VLA, but it does so only if this > existing DIE has a location or is a constant: > > if (get_AT (decl_die, DW_AT_location) > || get_AT (decl_die, DW_AT_data_member_location) > || get_AT (decl_die, DW_AT_const_value)) > > Now, in DWARF 5, members of a structure that are bitfields no longer have a > DW_AT_data_member_location but a DW_AT_data_bit_offset attribute instead, so > the condition is bypassed. > > Tested on x86-64/Linux, OK for mainline and 11 branch? OK > > 2021-08-16 Eric Botcazou <ebotcazou@adacore.com> > > * dwarf2out.c (add_scalar_info): Deal with DW_AT_data_bit_offset. > > -- > Eric Botcazou
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 4bcd3313fee..ba0a6d6ed60 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -21253,6 +21253,7 @@ add_scalar_info (dw_die_ref die, enum dwarf_attribute attr, tree value, { if (get_AT (decl_die, DW_AT_location) || get_AT (decl_die, DW_AT_data_member_location) + || get_AT (decl_die, DW_AT_data_bit_offset) || get_AT (decl_die, DW_AT_const_value)) { add_AT_die_ref (die, attr, decl_die);