[Bug c++/93639] [c++2a] Segfault on non type template parameter and consteval (master)

[raphael.grimm at kit dot edu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93639

--- Comment #2 from raphael grimm <raphael.grimm at kit dot edu> ---
Created attachment 47804
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47804&action=edit
more minimal example also causing this error

test.cpp:23:28: internal compiler error: Segmentation fault
   23 |     using type = a<str.cstr>;
      |                            ^
0xc8980f crash_signal
        /home/raphael/repos/build-gcc/gcc/gcc/toplev.c:328
0x673d73 resolve_args(vec<tree_node*, va_gc, vl_embed>*, int)
        /home/raphael/repos/build-gcc/gcc/gcc/cp/call.c:4431
0x78513c do_class_deduction
        /home/raphael/repos/build-gcc/gcc/gcc/cp/pt.c:28599
0x78513c do_auto_deduction(tree_node*, tree_node*, tree_node*, int,
auto_deduction_context, tree_node*, int)
        /home/raphael/repos/build-gcc/gcc/gcc/cp/pt.c:28732
0x7865cd convert_template_argument
        /home/raphael/repos/build-gcc/gcc/gcc/cp/pt.c:8309
0x798db7 convert_template_argument
        /home/raphael/repos/build-gcc/gcc/gcc/cp/pt.c:8082
0x798db7 coerce_template_parms
        /home/raphael/repos/build-gcc/gcc/gcc/cp/pt.c:8813
0x79cbd9 lookup_template_class_1
        /home/raphael/repos/build-gcc/gcc/gcc/cp/pt.c:9668
0x79dedc lookup_template_class(tree_node*, tree_node*, tree_node*, tree_node*,
int, int)
        /home/raphael/repos/build-gcc/gcc/gcc/cp/pt.c:10040
0x7b925d finish_template_type(tree_node*, tree_node*, int)
        /home/raphael/repos/build-gcc/gcc/gcc/cp/semantics.c:3407
0x762265 cp_parser_template_id
        /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:16681
0x7624b7 cp_parser_class_name
        /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:23618
0x75f2e1 cp_parser_qualifying_entity
        /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:6738
0x75f2e1 cp_parser_nested_name_specifier_opt
        /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:6410
0x766661 cp_parser_simple_type_specifier
        /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:18076
0x74d46c cp_parser_type_specifier
        /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:17734
0x760af2 cp_parser_type_specifier_seq
        /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:22307
0x75adb4 cp_parser_type_id_1
        /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:22124
0x75bf58 cp_parser_type_id
        /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:22203
0x75bf58 cp_parser_alias_declaration
        /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:19949
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