https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93537
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed|2020-02-01 00:00:00 |2024-6-12
Priority|P3 |P2
Known to work| |13.1.0, 8.4.0
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Re-confirmed on the 12 branch.
(gdb) up
#3 0x0000000000c5650e in pp_c_enumeration_constant (pp=0x3eef950,
e=<integer_cst 0x7ffff6a2b450>)
at /space/rguenther/src/gcc-12-branch/gcc/c-family/c-pretty-print.cc:1068
1068 if (tree_int_cst_equal (DECL_INITIAL (TREE_VALUE (value)), e))
(gdb) l
1063
1064 /* Find the name of this constant. */
1065 if ((pp->flags & pp_c_flag_gnu_v3) == 0)
1066 for (value = TYPE_VALUES (type); value != NULL_TREE;
1067 value = TREE_CHAIN (value))
1068 if (tree_int_cst_equal (DECL_INITIAL (TREE_VALUE (value)), e))
1069 break;
1070
1071 if (value != NULL_TREE)
1072 pp->id_expression (TREE_PURPOSE (value));
(gdb) p debug_tree (value)
<tree_list 0x7ffff6b44cd0
purpose <identifier_node 0x7ffff6b5f500 TS_HANDLE_EXTENSION
symbol <const_decl 0x7ffff6b71000 TS_HANDLE_EXTENSION type
<enumeral_type 0x7ffff6b70540 TSGenType_E>
VOID /tmp/t.c:2:28
align:1 warn_if_not_align:0 initial <integer_cst 0x7ffff6b59468
99>>>
value <integer_cst 0x7ffff6b59468 type <integer_type 0x7ffff6a275e8 int>
constant 99>>
I'd say we likely get the enumeral type wrong, we assume a CONST_DECL but
have
<enumeral_type 0x7ffff6b707e0 TSGenTypeE asm_written unsigned SI
size <integer_cst 0x7ffff6a0bf90 type <integer_type 0x7ffff6a270a8
bitsizetype> constant 32>
unit-size <integer_cst 0x7ffff6a0bfa8 type <integer_type 0x7ffff6a27000
sizetype> constant 4>
align:32 warn_if_not_align:0 symtab:-155847024 alias-set -1 canonical-type
0x7ffff6b70540 precision:32 min <integer_cst 0x7ffff6a0bfc0 0> max <integer_cst
0x7ffff6a0bf78 4294967295>
values <tree_list 0x7ffff6b44cd0
purpose <identifier_node 0x7ffff6b5f500 TS_HANDLE_EXTENSION symbol
<const_decl 0x7ffff6b71000 TS_HANDLE_EXTENSION>>
value <integer_cst 0x7ffff6b59468 constant 99>>
chain <type_decl 0x7ffff6a36688 D.1981>>
