https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86219
Bug ID: 86219
Summary: [8/9 Regression] ICE in coerce_template_parms, at
cp/pt.c:8515
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Changed between 20180318 and 20180325 :
$ cat z1.cc
template <int a> struct t;
template <int a>
void f ()
{
const int b = "";
t<b>::c;
}
$ gcc-8-20180318 -c z1.cc
$
$ gcc-9-20180617 -c z1.cc
z1.cc: In function 'void f()':
z1.cc:6:7: internal compiler error: in coerce_template_parms, at cp/pt.c:8515
t<b>::c;
^
0x725621 coerce_template_parms
../../gcc/cp/pt.c:8515
0x72d802 lookup_template_class_1
../../gcc/cp/pt.c:9295
0x72d802 lookup_template_class(tree_node*, tree_node*, tree_node*, tree_node*,
int, int)
../../gcc/cp/pt.c:9647
0x74a71d finish_template_type(tree_node*, tree_node*, int)
../../gcc/cp/semantics.c:3240
0x6f12a2 cp_parser_template_id
../../gcc/cp/parser.c:15943
0x6f13a5 cp_parser_class_name
../../gcc/cp/parser.c:22478
0x6f9ef7 cp_parser_qualifying_entity
../../gcc/cp/parser.c:6564
0x6f9ef7 cp_parser_nested_name_specifier_opt
../../gcc/cp/parser.c:6250
0x6f7dde cp_parser_simple_type_specifier
../../gcc/cp/parser.c:17270
0x6eae95 cp_parser_type_specifier
../../gcc/cp/parser.c:16945
0x6fc399 cp_parser_decl_specifier_seq
../../gcc/cp/parser.c:13709
0x703381 cp_parser_simple_declaration
../../gcc/cp/parser.c:13018
0x704e89 cp_parser_declaration_statement
../../gcc/cp/parser.c:12556
0x6eca95 cp_parser_statement
../../gcc/cp/parser.c:10900
0x6ed5b7 cp_parser_statement_seq_opt
../../gcc/cp/parser.c:11249
0x6ed68f cp_parser_compound_statement
../../gcc/cp/parser.c:11203
0x6fed01 cp_parser_function_body
../../gcc/cp/parser.c:21886
0x6fed01 cp_parser_ctor_initializer_opt_and_function_body
../../gcc/cp/parser.c:21921
0x6ff4d0 cp_parser_function_definition_after_declarator
../../gcc/cp/parser.c:26937
0x7024e1 cp_parser_function_definition_from_specifiers_and_declarator
../../gcc/cp/parser.c:26854
