[Bug debug/63238] DWARF does not represent _Alignas
aoliva at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Tue Jan 31 01:04:00 GMT 2017
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63238
--- Comment #2 from Alexandre Oliva <aoliva at gcc dot gnu.org> ---
Author: aoliva
Date: Tue Jan 31 01:03:15 2017
New Revision: 245052
URL: https://gcc.gnu.org/viewcvs?rev=245052&root=gcc&view=rev
Log:
[PR63238] output alignment debug information
Output DWARFv5+ DW_AT_alignment for non-default alignment of
variables, fields and types.
for gcc/ChangeLog
PR debug/63238
* dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
(add_alignment_attribute): New.
(base_type_die): Add alignment attribute.
(subrange_type_die): Likewise.
(modified_type_die): Likewise.
(gen_array_type_die): Likewise.
(gen_descr_array_type_die: Likewise.
(gen_enumeration_type_die): Likewise.
(gen_subprogram_die): Likewise.
(gen_variable_die): Likewise.
(gen_field_die): Likewise.
(gen_ptr_to_mbr_type_die): Likewise.
(gen_struct_or_union_type_die): Likewise.
(gen_subroutine_type_die): Likewise.
(gen_typedef_die): Likewise.
(base_type_cmp): Compare alignment attribute.
for gcc/testsuite/ChangeLog
PR debug/63238
* gcc.dg/debug/dwarf2/align-1.c: New.
* gcc.dg/debug/dwarf2/align-2.c: New.
* gcc.dg/debug/dwarf2/align-3.c: New.
* gcc.dg/debug/dwarf2/align-4.c: New.
* gcc.dg/debug/dwarf2/align-5.c: New.
* gcc.dg/debug/dwarf2/align-6.c: New.
* gcc.dg/debug/dwarf2/align-as-1.c: New.
* g++.dg/debug/dwarf2/align-1.C: New.
* g++.dg/debug/dwarf2/align-2.C: New.
* g++.dg/debug/dwarf2/align-3.C: New.
* g++.dg/debug/dwarf2/align-4.C: New.
* g++.dg/debug/dwarf2/align-5.C: New.
* g++.dg/debug/dwarf2/align-6.C: New.
Added:
trunk/gcc/testsuite/g++.dg/debug/dwarf2/align-1.C
trunk/gcc/testsuite/g++.dg/debug/dwarf2/align-2.C
trunk/gcc/testsuite/g++.dg/debug/dwarf2/align-3.C
trunk/gcc/testsuite/g++.dg/debug/dwarf2/align-4.C
trunk/gcc/testsuite/g++.dg/debug/dwarf2/align-5.C
trunk/gcc/testsuite/g++.dg/debug/dwarf2/align-6.C
trunk/gcc/testsuite/gcc.dg/debug/dwarf2/align-1.c
trunk/gcc/testsuite/gcc.dg/debug/dwarf2/align-2.c
trunk/gcc/testsuite/gcc.dg/debug/dwarf2/align-3.c
trunk/gcc/testsuite/gcc.dg/debug/dwarf2/align-4.c
trunk/gcc/testsuite/gcc.dg/debug/dwarf2/align-5.c
trunk/gcc/testsuite/gcc.dg/debug/dwarf2/align-6.c
trunk/gcc/testsuite/gcc.dg/debug/dwarf2/align-as-1.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/dwarf2out.c
trunk/gcc/testsuite/ChangeLog
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