[Bug debug/69518] [6 Regression] Flag -g causes "error: type variant has different TYPE_VFIELD"
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69518 Jakub Jelinek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org --- Comment #3 from Jakub Jelinek --- Created attachment 37518 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37518=edit gcc6-pr69518.patch Untested fix. The problem is that when type variants are created, the generic code copies there also the TYPE_VFIELD aka C_TYPE_INCOMPLETE_VARS. We clear it only in the main type variant, but not in other variants, so if not anything else, it is at least undesirable for GC purposes, plus we leak the C FE use of that field into the middle-end.
[Bug debug/69518] [6 Regression] Flag -g causes "error: type variant has different TYPE_VFIELD"
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69518 --- Comment #4 from Jakub Jelinek --- Author: jakub Date: Fri Jan 29 20:37:25 2016 New Revision: 232998 URL: https://gcc.gnu.org/viewcvs?rev=232998=gcc=rev Log: PR debug/69518 * c-decl.c (finish_struct): Clear C_TYPE_INCOMPLETE_VARS in all type variants, not just TYPE_MAIN_VARIANT. * gcc.dg/torture/pr69518.c: New test. Added: trunk/gcc/testsuite/gcc.dg/torture/pr69518.c Modified: trunk/gcc/c/ChangeLog trunk/gcc/c/c-decl.c trunk/gcc/testsuite/ChangeLog
[Bug debug/69518] [6 Regression] Flag -g causes "error: type variant has different TYPE_VFIELD"
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69518 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|--- |FIXED --- Comment #5 from Jakub Jelinek --- Fixed.
[Bug debug/69518] [6 Regression] Flag -g causes "error: type variant has different TYPE_VFIELD"
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69518 Richard Biener changed: What|Removed |Added CC||hubicka at gcc dot gnu.org Target Milestone|--- |6.0
[Bug debug/69518] [6 Regression] Flag -g causes "error: type variant has different TYPE_VFIELD"
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69518
Markus Trippelsdorf changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed||2016-01-27
CC||trippels at gcc dot gnu.org
Component|c |debug
Summary|Flag -g causes "error: type |[6 Regression] Flag -g
|variant has different |causes "error: type variant
|TYPE_VFIELD"|has different TYPE_VFIELD"
Ever confirmed|0 |1
--- Comment #1 from Markus Trippelsdorf ---
markus@x4 tmp % cat bug269.c
struct s_stats a;
typedef struct s_stats cstats;
struct s_stats {
} fn1(cstats p1) {
}
markus@x4 tmp % gcc -c -g bug269.c
bug269.c: In function ‘fn1’:
bug269.c:5:1: error: type variant has different TYPE_VFIELD
}
^
constant 0>
unit size constant 0>
align 8 symtab 2001394976 alias set -1 canonical type 0x7fc47749a348
context
chain >
constant 0>
unit size constant 0>
align 8 symtab 2001395216 alias set -1 canonical type 0x7fc47749a348
context
chain >
bug269.c:5:1: internal compiler error: verify_type failed
0xdc44ad verify_type(tree_node const*)
../../gcc/gcc/tree.c:13888
0x7c522c gen_type_die_with_usage
../../gcc/gcc/dwarf2out.c:22701
0x7c65f6 gen_type_die
../../gcc/gcc/dwarf2out.c:22899
0x7be320 gen_decl_die
../../gcc/gcc/dwarf2out.c:23555
0x7bb364 gen_subprogram_die
../../gcc/gcc/dwarf2out.c:20704
0x7bde6c gen_decl_die
../../gcc/gcc/dwarf2out.c:23468
0x7bedae dwarf2out_decl
../../gcc/gcc/dwarf2out.c:23951
0x7d6538 dwarf2out_early_global_decl
../../gcc/gcc/dwarf2out.c:23624
0x74efeb symbol_table::finalize_compilation_unit()
../../gcc/gcc/cgraphunit.c:2549
[Bug debug/69518] [6 Regression] Flag -g causes "error: type variant has different TYPE_VFIELD"
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69518 Marek Polacek changed: What|Removed |Added CC||mpolacek at gcc dot gnu.org --- Comment #2 from Marek Polacek --- Started with r222606.
