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re PR lto/89514 (-g -fdebug-types-section -flto gives 'Dwarf Error: bad length' in gdb)

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2019-02-27  Richard Biener  <rguenther@suse.de>

	PR debug/89514
	* dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
	rather than on use_debug_types, doing what output_die does.
	(value_format): Likewise.

From-SVN: r269250
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Richard Biener 2019-02-27 11:59:07 +00:00 committed by Richard Biener
parent a4395a846a
commit 0614006682
2 changed files with 14 additions and 2 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2019-02-27 Richard Biener <rguenther@suse.de>
PR debug/89514
* dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
rather than on use_debug_types, doing what output_die does.
(value_format): Likewise.
2019-02-27 Martin Jambor <mjambor@suse.cz>
Martin Sebor <msebor@redhat.com>

9
gcc/dwarf2out.c
View File

@ -9433,7 +9433,7 @@ size_of_die (dw_die_ref die)
we use DW_FORM_ref_addr. In DWARF2, DW_FORM_ref_addr
is sized by target address length, whereas in DWARF3
it's always sized as an offset. */
if (use_debug_types)
if (AT_ref (a)->comdat_type_p)
size += DWARF_TYPE_SIGNATURE_SIZE;
else if (dwarf_version == 2)
size += DWARF2_ADDR_SIZE;
@ -9877,7 +9877,12 @@ value_format (dw_attr_node *a)
return DW_FORM_flag;
case dw_val_class_die_ref:
if (AT_ref_external (a))
return use_debug_types ? DW_FORM_ref_sig8 : DW_FORM_ref_addr;
{
if (AT_ref (a)->comdat_type_p)
return DW_FORM_ref_sig8;
else
return DW_FORM_ref_addr;
}
else
return DW_FORM_ref;
case dw_val_class_fde_ref: