https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125412
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
Keywords| |error-recovery
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
The question is how much is reflect.cc prepared to see error_mark_node at
various spots.
This particular error recovery can be fixed with
--- gcc/cp/reflect.cc.jj 2026-05-22 14:52:58.000000000 +0200
+++ gcc/cp/reflect.cc 2026-05-22 15:39:41.609718603 +0200
@@ -2789,6 +2789,11 @@ eval_constant_of (location_t loc, const
type = type_of (r, kind);
else
type = maybe_strip_typedefs (r);
+ if (type == error_mark_node)
+ {
+ *non_constant_p = true;
+ return NULL_TREE;
+ }
/* So that outer_automatic_var_p works below in check_splice_expr. */
temp_override<tree> ovr (current_function_decl);
