https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90997
Bug ID: 90997
Summary: [9/10 Regression] ICE in tsubst_copy_and_build, at
cp/pt.c:18480
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Changed between 20180527 and 20180610 :
$ cat z1.cc
template<class> void f ()
{ __builtin_memset (0, 0, int(0.)); }
$ g++-8 -c z1.cc
$ g++-10-20180527 -c z1.cc
$
$ g++-10-20190623 -c z1.cc
z1.cc: In function 'void f()':
z1.cc:2:34: internal compiler error: in tsubst_copy_and_build, at cp/pt.c:18480
2 | { __builtin_memset (0, 0, int(0.)); }
| ^
0x6e4601 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
../../gcc/cp/pt.c:18480
0x619bfc fold_non_dependent_expr_template
../../gcc/cp/constexpr.c:5670
0x6630ac fold_for_warn(tree_node*)
../../gcc/cp/expr.c:372
0x7a8c84 warn_for_memset(unsigned int, tree_node*, tree_node*, int)
../../gcc/c-family/c-warn.c:2060
0x710734 finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool,
bool, int)
../../gcc/cp/semantics.c:2580
0x6b7b68 cp_parser_postfix_expression
../../gcc/cp/parser.c:7384
0x6c4235 cp_parser_unary_expression
../../gcc/cp/parser.c:8470
0x6a0c9f cp_parser_cast_expression
../../gcc/cp/parser.c:9355
0x6a1472 cp_parser_binary_expression
../../gcc/cp/parser.c:9457
0x6a21e9 cp_parser_assignment_expression
../../gcc/cp/parser.c:9754
0x6a2472 cp_parser_expression
../../gcc/cp/parser.c:9923
0x6a5394 cp_parser_expression_statement
../../gcc/cp/parser.c:11524
0x6b16e5 cp_parser_statement
../../gcc/cp/parser.c:11320
0x6b2540 cp_parser_statement_seq_opt
../../gcc/cp/parser.c:11667
0x6b25ef cp_parser_compound_statement
../../gcc/cp/parser.c:11621
0x6c89c8 cp_parser_function_body
../../gcc/cp/parser.c:22645
0x6c89c8 cp_parser_ctor_initializer_opt_and_function_body
../../gcc/cp/parser.c:22696
0x6c8cd6 cp_parser_function_definition_after_declarator
../../gcc/cp/parser.c:28010
0x6c9993 cp_parser_function_definition_from_specifiers_and_declarator
../../gcc/cp/parser.c:27926
0x6c9993 cp_parser_init_declarator
../../gcc/cp/parser.c:20282
