Use new name canonicalization approach

src/llvm_backend_general.cpp

@@ -1568,10 +1568,12 @@ gb_internal String lb_set_nested_type_name_ir_mangled_name(Entity *e, lbProcedur
 
 gb_internal String lb_get_entity_name(lbModule *m, Entity *e) {
 	GB_ASSERT(m != nullptr);
-	if (e != nullptr && e->kind == Entity_TypeName && e->TypeName.ir_mangled_name.len != 0) {
+	GB_ASSERT(e != nullptr);
+	if (e->kind == Entity_TypeName && e->TypeName.ir_mangled_name.len != 0) {
 		return e->TypeName.ir_mangled_name;
+	} else if (e->kind == Entity_Procedure && e->Procedure.link_name.len != 0) {
+		return e->Procedure.link_name;
 	}
-	GB_ASSERT(e != nullptr);
 
 	if (e->pkg == nullptr) {
 		return e->token.string;

src/name_canonicalization.cpp

@@ -180,7 +180,7 @@ gb_internal gbString write_canonical_entity_name(gbString w, Entity *e) {
 			w = gb_string_appendc(w, gb_bprintf(".[%.*s].", LIT(file_name)));
 			goto write_base_name;
 		}
-		gb_printf_err("%s HERE %s %u %p\n", token_pos_to_string(e->token.pos), type_to_string(e->type), s->flags, s->decl_info);
+		gb_printf_err("%s WEIRD ENTITY TYPE %s %u %p\n", token_pos_to_string(e->token.pos), type_to_string(e->type), s->flags, s->decl_info);
 		print_scope_flags(s);
 		GB_PANIC("weird entity");
 	}