https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121798
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Backtrace:
```
internal compiler error: error reporting routines re-entered.
0x28b01e0
diagnostics::context::report_diagnostic(diagnostics::diagnostic_info*)
???:0
0x28b03f8 diagnostics::context::diagnostic_impl(rich_location*,
diagnostics::metadata const*, diagnostics::option_id, char const*,
__va_list_tag (*) [1], diagnostics::kind)
???:0
0x28a47ad error_at(unsigned long, char const*, ...)
???:0
0xb876ba satisfaction_cache::get()
???:0
0xb8ea18 constraints_satisfied_p(tree_node*, tree_node*)
???:0
0xd954d1 fn_type_unification(tree_node*, tree_node*, tree_node*, tree_node*
const*, unsigned int, tree_node*, unification_kind_t, int, conversion**, bool,
bool)
???:0
0xb38986 build_new_op(op_location_t const&, tree_code, int, tree_node*,
tree_node*, tree_node*, tree_node*, tree_node**, int)
???:0
0xdfaa42 build_x_binary_op(op_location_t const&, tree_code, tree_node*,
tree_code, tree_node*, tree_code, tree_node*, tree_node**, int)
???:0
0xd68b2d tsubst(tree_node*, tree_node*, int, tree_node*)
???:0
0xc25245 maybe_print_single_constraint_context(diagnostics::text_sink&,
tree_node*)
???:0
0x28dac51
diagnostics::text_sink::on_report_diagnostic(diagnostics::diagnostic_info
const&, diagnostics::kind)
???:0
0x28afd08
diagnostics::context::report_diagnostic(diagnostics::diagnostic_info*)
???:0
0x28b03f8 diagnostics::context::diagnostic_impl(rich_location*,
diagnostics::metadata const*, diagnostics::option_id, char const*,
__va_list_tag (*) [1], diagnostics::kind)
???:0
0x28a47ad error_at(unsigned long, char const*, ...)
???:0
0xb876ba satisfaction_cache::get()
???:0
0xb8ea18 constraints_satisfied_p(tree_node*, tree_node*)
???:0
0xd954d1 fn_type_unification(tree_node*, tree_node*, tree_node*, tree_node*
const*, unsigned int, tree_node*, unification_kind_t, int, conversion**, bool,
bool)
???:0
0xb38986 build_new_op(op_location_t const&, tree_code, int, tree_node*,
tree_node*, tree_node*, tree_node*, tree_node**, int)
???:0
0xdfaa42 build_x_binary_op(op_location_t const&, tree_code, tree_node*,
tree_code, tree_node*, tree_code, tree_node*, tree_node**, int)
???:0
0xd68b2d tsubst(tree_node*, tree_node*, int, tree_node*)
???:0
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
Compiler returned: 1
```
