https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91867
Haoxin Tu <haoxintu at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |haoxintu at gmail dot com
--- Comment #4 from Haoxin Tu <haoxintu at gmail dot com> ---
I also find this in a simple code.
test.cc
include<iostream>
int main(){
for(int i:{});
}
$g++ --version
g++ (GCC) 10.0.1 20200420 (experimental)
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
$g++ -fconcepts -std=c++11 test.cc
test.cc: In function ‘int main()’:
test.cc:3:13: internal compiler error: in type_unification_real, at
cp/pt.c:21752
3 | for(int i:{});
| ^
0x6bf3ed type_unification_real
../../gcc/cp/pt.c:21752
0xa427ff do_auto_deduction(tree_node*, tree_node*, tree_node*, int,
auto_deduction_context, tree_node*, int)
../../gcc/cp/pt.c:28954
0x9e4025 build_range_temp
../../gcc/cp/parser.c:12516
0x9ee792 cp_convert_range_for(tree_node*, tree_node*, tree_node*, tree_node*,
unsigned int, bool, unsigned short)
../../gcc/cp/parser.c:12616
0x9f40b0 cp_parser_range_for
../../gcc/cp/parser.c:12498
0xa1ea0a cp_parser_for
../../gcc/cp/parser.c:12354
0xa1ea0a cp_parser_iteration_statement
../../gcc/cp/parser.c:12902
0xa00ccd cp_parser_statement
../../gcc/cp/parser.c:11353
0xa022d8 cp_parser_statement_seq_opt
../../gcc/cp/parser.c:11835
0xa023b8 cp_parser_compound_statement
../../gcc/cp/parser.c:11785
0xa198b5 cp_parser_function_body
../../gcc/cp/parser.c:23060
0xa198b5 cp_parser_ctor_initializer_opt_and_function_body
../../gcc/cp/parser.c:23111
0xa1cbed cp_parser_function_definition_after_declarator
../../gcc/cp/parser.c:28993
0xa1dbd9 cp_parser_function_definition_from_specifiers_and_declarator
../../gcc/cp/parser.c:28909
0xa1dbd9 cp_parser_init_declarator
../../gcc/cp/parser.c:20667
0x9fe992 cp_parser_simple_declaration
../../gcc/cp/parser.c:13731
0xa27ba2 cp_parser_declaration
../../gcc/cp/parser.c:13430
0xa2832a cp_parser_translation_unit
../../gcc/cp/parser.c:4731
0xa2832a c_parse_file()
../../gcc/cp/parser.c:43972
0xb3d5eb c_common_parse_file()
../../gcc/c-family/c-opts.c:1190
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