https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107683
Bug ID: 107683
Summary: [13 Regression] ICE in int_fits_type_p, at
tree.cc:8044
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Started between 20221023 and 20221030 :
(gcc configured with --enable-checking=yes)
$ cat z1.c
enum e : int
enum e { E };
$ gcc-13-20221106 -c z1.c
z1.c:2:6: error: 'enum' declared with but defined without fixed underlying type
2 | enum e { E };
| ^
z1.c:2:10: internal compiler error: Segmentation fault
2 | enum e { E };
| ^
0xeeafcf crash_signal
../../gcc/toplev.cc:314
0x1246f30 int_fits_type_p(tree_node const*, tree_node const*)
../../gcc/tree.cc:8044
0x7c4d8b build_enumerator(unsigned int, unsigned int, c_enum_contents*,
tree_node*, tree_node*)
../../gcc/c/c-decl.cc:9786
0x82c01f c_parser_enum_specifier
../../gcc/c/c-parser.cc:3469
0x82c01f c_parser_declspecs(c_parser*, c_declspecs*, bool, bool, bool, bool,
bool, bool, bool, c_lookahead_kind)
../../gcc/c/c-parser.cc:3150
0x82cc91 c_parser_enum_specifier
../../gcc/c/c-parser.cc:3367
0x82cc91 c_parser_declspecs(c_parser*, c_declspecs*, bool, bool, bool, bool,
bool, bool, bool, c_lookahead_kind)
../../gcc/c/c-parser.cc:3150
0x850305 c_parser_declaration_or_fndef
../../gcc/c/c-parser.cc:2091
0x85cf8f c_parser_external_declaration
../../gcc/c/c-parser.cc:1833
0x85d8bd c_parser_translation_unit
../../gcc/c/c-parser.cc:1695
0x85d8bd c_parse_file()
../../gcc/c/c-parser.cc:24359
0x8da031 c_common_parse_file()
../../gcc/c-family/c-opts.cc:1244
