https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96474
Sokolov Viacheslav <soko.slav at yandex dot ru> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |soko.slav at yandex dot ru
--- Comment #3 from Sokolov Viacheslav <soko.slav at yandex dot ru> ---
Looks like the following is the same bug: https://godbolt.org/z/YzEh3Y
template <typename = void>
struct A
{
template <typename = void>
struct B
{
};
};
A<>::B b;
results in (on trunk)
<source>: In substitution of 'template<class> B()-> A<>::B<
<template-parameter-1-1> > [with <template-parameter-1-1> = void]':
<source>:10:8: required from here
<source>:5:12: internal compiler error: in retrieve_specialization, at
cp/pt.c:1248
5 | struct B
| ^
0x1ce8359 internal_error(char const*, ...)
???:0
0x6b702d fancy_abort(char const*, int, char const*)
???:0
0x91364f tsubst(tree_node*, tree_node*, int, tree_node*)
???:0
0x9498ff instantiate_template(tree_node*, tree_node*, int)
???:0
0x9513f6 fn_type_unification(tree_node*, tree_node*, tree_node*, tree_node*
const*, unsigned int, tree_node*, unification_kind_t, int, conversion**, bool,
bool)
???:0
0x6de832 build_new_function_call(tree_node*, vec<tree_node*, va_gc,
vl_embed>**, int)
???:0
0x906642 do_auto_deduction(tree_node*, tree_node*, tree_node*, int,
auto_deduction_context, tree_node*, int)
???:0
0x7b05d4 cp_finish_decl(tree_node*, tree_node*, bool, tree_node*, int)
???:0
0x8de81d c_parse_file()
???:0
0xa5c452 c_common_parse_file()
???:0
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
Compiler returned: 1
