https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97879
Bug ID: 97879
Summary: [11 Regression] ICE in from_mode_char, at
attribs.h:298
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: [email protected]
Target Milestone: ---
This changed too between 20200823 and 20201004 :
(all with release builts)
$ cat z1.c
__attribute__ ((__access__(" ", 1))) void f (int *);
void f (int *);
$ cat z2.c
__attribute__ ((access ("none", 1))) void f (char *);
void f (char *);
$ gcc-11-20200823 -c z1.c
$
$ gcc-11-20201115 -c z1.c
z1.c:2:1: internal compiler error: in from_mode_char, at attribs.h:298
2 | void f (int *);
| ^~~~
0x62a79a attr_access::from_mode_char(char)
../../gcc/attribs.h:298
0x62a79a init_attr_rdwr_indices(hash_map<rdwr_access_hash, attr_access,
simple_hashmap_traits<default_hash_traits<rdwr_access_hash>, attr_access> >*,
tree_node*)
../../gcc/attribs.c:2069
0x6feec2 warn_parm_array_mismatch(unsigned int, tree_node*, tree_node*)
../../gcc/c-family/c-warn.c:3345
0x68931f c_parser_declaration_or_fndef
../../gcc/c/c-parser.c:2346
0x690297 c_parser_external_declaration
../../gcc/c/c-parser.c:1777
0x690db9 c_parser_translation_unit
../../gcc/c/c-parser.c:1650
0x690db9 c_parse_file()
../../gcc/c/c-parser.c:21882
0x6dfb82 c_common_parse_file()
../../gcc/c-family/c-opts.c:1196
