https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99310
Bug ID: 99310
Summary: [11 Regression] ICE: canonical types differ for
identical types 'void (A::)(void*)' and 'void
(A::)(void*)'
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: ice-on-invalid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
Target: x86_64-unknown-linux-gnu
g++-11.0.0-alpha20210221 snapshot (g:2df374b337a5f6cf5528e91718e4e12e4006b7ae)
ICEs when compiling gcc/testsuite/g++.dg/other/pr39060.C w/ -march=corei7
-std=gnu++2a -fopenmp:
% x86_64-unknown-linux-gnu-g++-11.0.0 -march=corei7 -std=gnu++2a -fopenmp -c
gcc/testsuite/g++.dg/other/pr39060.C
gcc/testsuite/g++.dg/other/pr39060.C:7:3: error: 'A::A(void*)' cannot be
overloaded with 'A::A(void*)'
7 | A(void* i=); // { dg-error "overloaded|primary-expression" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:6:3: note: previous declaration
'A::A(void*)'
6 | A(void* i=); // { dg-error "with|specification|primary-expression" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:8:3: error: 'A::A(void*)' cannot be
overloaded with 'A::A(void*)'
8 | A(void* i=); // { dg-error "overloaded|primary-expression" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:6:3: note: previous declaration
'A::A(void*)'
6 | A(void* i=); // { dg-error "with|specification|primary-expression" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:10:8: error: 'void A::operator+(void*)'
cannot have default arguments
10 | void operator+ (void* i=); // { dg-error "arguments" }
| ^~~~~~~~
gcc/testsuite/g++.dg/other/pr39060.C:12:21: error: expected identifier before
'=' token
12 | virtual void foo1(=); // { dg-error "identifier|primary-expression" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:13:13: error: expected identifier before
'=' token
13 | void foo2(=); // { dg-error "identifier|primary-expression" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:14:13: error: expected identifier before
'=' token
14 | void foo3(=); // { dg-error "identifier|primary-expression" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:15:13: error: expected identifier before
'=' token
15 | void foo4(=); // { dg-error "identifier|primary-expression" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:16:13: error: expected identifier before
'=' token
16 | void foo5(=); // { dg-error "identifier|primary-expression" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:6:13: error: expected primary-expression
at end of input
6 | A(void* i=); // { dg-error "with|specification|primary-expression" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:7:13: error: expected primary-expression
at end of input
7 | A(void* i=); // { dg-error "overloaded|primary-expression" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:8:13: error: expected primary-expression
at end of input
8 | A(void* i=); // { dg-error "overloaded|primary-expression" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:12:22: error: expected primary-expression
at end of input
12 | virtual void foo1(=); // { dg-error "identifier|primary-expression" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:13:14: error: expected primary-expression
at end of input
13 | void foo2(=); // { dg-error "identifier|primary-expression" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:14:14: error: expected primary-expression
at end of input
14 | void foo3(=); // { dg-error "identifier|primary-expression" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:15:14: error: expected primary-expression
at end of input
15 | void foo4(=); // { dg-error "identifier|primary-expression" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:16:14: error: expected primary-expression
at end of input
16 | void foo5(=); // { dg-error "identifier|primary-expression" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:19:15: error: expected primary-expression
before ')' token
19 | A::A (void* i=) {} // { dg-error "primary-expression|argument" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:19:1: error: default argument given for
parameter 1 of 'A::A(void*)' [-fpermissive]
19 | A::A (void* i=) {} // { dg-error "primary-expression|argument" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:6:3: note: previous specification in
'A::A(void*)' here
6 | A(void* i=); // { dg-error "with|specification|primary-expression" }
| ^
gcc/testsuite/g++.dg/other/pr39060.C:19:15: internal compiler error: canonical
types differ for identical types 'void (A::)(void*)' and 'void (A::)(void*)'
19 | A::A (void* i=) {} // { dg-error "primary-expression|argument" }
| ^
0xb1c89f comptypes(tree_node*, tree_node*, int)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210221/work/gcc-11-20210221/gcc/cp/typeck.c:1540
0x962596 duplicate_decls(tree_node*, tree_node*, bool, bool)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210221/work/gcc-11-20210221/gcc/cp/decl.c:2378
0x96ad54 grokfndecl
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210221/work/gcc-11-20210221/gcc/cp/decl.c:10097
0x970de5 grokdeclarator(cp_declarator const*, cp_decl_specifier_seq*,
decl_context, int, tree_node**)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210221/work/gcc-11-20210221/gcc/cp/decl.c:13860
0x973646 start_function(cp_decl_specifier_seq*, cp_declarator const*,
tree_node*)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210221/work/gcc-11-20210221/gcc/cp/decl.c:16795
0xa67eaf cp_parser_function_definition_from_specifiers_and_declarator
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210221/work/gcc-11-20210221/gcc/cp/parser.c:29810
0xa67eaf cp_parser_init_declarator
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210221/work/gcc-11-20210221/gcc/cp/parser.c:21555
0xa43cd8 cp_parser_simple_declaration
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210221/work/gcc-11-20210221/gcc/cp/parser.c:14372
0xa715e5 cp_parser_declaration
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210221/work/gcc-11-20210221/gcc/cp/parser.c:14069
0xa72109 cp_parser_toplevel_declaration
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210221/work/gcc-11-20210221/gcc/cp/parser.c:14098
0xa72109 cp_parser_translation_unit
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210221/work/gcc-11-20210221/gcc/cp/parser.c:4936
0xa72109 c_parse_file()
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210221/work/gcc-11-20210221/gcc/cp/parser.c:45172
0xb9a22d c_common_parse_file()
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20210221/work/gcc-11-20210221/gcc/c-family/c-opts.c:1218
I wonder if it is a duplicate of PR99285.
