On 11/14/18 8:08 AM, Nathan Sidwell wrote:
> On 11/14/18 7:33 AM, Richard Biener wrote:
>
>> Hmm, there is reference_to_unused () used in a related case. But generally
>>
>> for late emission such references are "OK" and expected to be pruned
>> later by resolve_addr () (which I see we do not call for type units?!).
>> Quote:
>>
>>
>> /* Resolve DW_OP_addr and DW_AT_const_value CONST_STRING arguments to
>> an address in .rodata section if the string literal is emitted there,
>> or remove the containing location list or replace DW_AT_const_value
>> with DW_AT_location and empty location expression, if it isn't found
>> in .rodata. Similarly for SYMBOL_REFs, keep only those that refer
>> to something that has been emitted in the current CU. */
>>
>> static void
>> resolve_addr (dw_die_ref die)
>> {
>
> That does seem to work. The attached survise bootstrapping on
> x86_64-linux, ok?
>
> nathan
>
> --
> Nathan Sidwell
>
> pr88006-2.diff
>
> 2018-11-14 Nathan Sidwell <nat...@acm.org>
>
> PR debug/88006
> PR debug/87462
> * dwarf2out.c (dwarf2out_finish): Apply resolve_addr to comdat
> type list.
>
> * g++.dg/debug/dwarf2/pr87462.C: New.
> * g++.dg/debug/dwarf2/pr88006.C: New.
OK
jeff
