https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61924
Bug ID: 61924
Summary: [C++11] ICE in instantiate_template_1, at
cp/pt.c:15618
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: ppluzhnikov at google dot com
Google ref: b/16582830
Gcc 4.8, 4.9 and current trunk @r213084 are affected.
// --- cut ---
struct function
{
template < typename _Functor > function (_Functor);
};
template < typename > struct RetryingRpc
{
template < typename StubType> RetryingRpc (StubType, function =[]{});
};
void fn()
{
RetryingRpc<int> rpc(0, []{});
};
// --- cut ---
This is accepted by Clang, ICEs with current trunk:
gcc-svn-r213084/bin/g++ -c -std=c++11 t.ii
t.ii: In substitution of ‘template<class StubType> RetryingRpc<
<template-parameter-1-1> >::RetryingRpc(StubType, function) [with StubType =
int]’:
t.ii:13:31: required from here
t.ii:13:31: internal compiler error: in instantiate_template_1, at
cp/pt.c:15618
RetryingRpc<int> rpc(0, []{});
^
0x5c094b instantiate_template_1
../../gcc/cp/pt.c:15618
0x5c094b instantiate_template(tree_node*, tree_node*, int)
../../gcc/cp/pt.c:15730
0x5ef8cb fn_type_unification(tree_node*, tree_node*, tree_node*, tree_node*
const*, unsigned int, tree_node*, unification_kind_t, int, bool, bool)
../../gcc/cp/pt.c:16079
0x55f659 add_template_candidate_real
../../gcc/cp/call.c:3025
0x5600dc add_template_candidate
../../gcc/cp/call.c:3122
0x5600dc add_candidates
../../gcc/cp/call.c:5253
0x560956 build_new_method_call_1
../../gcc/cp/call.c:7944
0x560956 build_new_method_call(tree_node*, tree_node*, vec<tree_node*, va_gc,
vl_embed>**, tree_node*, int, tree_node**, int)
../../gcc/cp/call.c:8140
0x561f29 build_special_member_call(tree_node*, tree_node*, vec<tree_node*,
va_gc, vl_embed>**, tree_node*, int, int)
../../gcc/cp/call.c:7684
0x6b7299 expand_default_init
../../gcc/cp/init.c:1707
0x6b7299 expand_aggr_init_1
../../gcc/cp/init.c:1808
0x6b9f5c build_aggr_init(tree_node*, tree_node*, int, int)
../../gcc/cp/init.c:1560
0x574b5c build_aggr_init_full_exprs
../../gcc/cp/decl.c:5645
0x574b5c check_initializer
../../gcc/cp/decl.c:5789
0x58544c cp_finish_decl(tree_node*, tree_node*, bool, tree_node*, int)
../../gcc/cp/decl.c:6461
0x676995 cp_parser_init_declarator
../../gcc/cp/parser.c:17058
0x6780d5 cp_parser_simple_declaration
../../gcc/cp/parser.c:11421
0x65bcf3 cp_parser_block_declaration
../../gcc/cp/parser.c:11302
0x65ce31 cp_parser_declaration_statement
../../gcc/cp/parser.c:10949
0x65d51b cp_parser_statement
../../gcc/cp/parser.c:9664
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Please include the complete backtrace with any bug report.
