1 files changed, 10 insertions, 1 deletions
diff --git a/error.c b/error.c
index 3fc1d96d6c..384a56f5df 100644
--- a/error.c
+++ b/error.c
@@ -4016,7 +4016,7 @@ rb_error_frozen_object(VALUE frozen_obj)
 }
 
 void
-rb_warn_unchilled(VALUE obj)
+rb_warn_unchilled_literal(VALUE obj)
 {
     rb_warning_category_t category = RB_WARN_CATEGORY_DEPRECATED;
     if (!NIL_P(ruby_verbose) && rb_warning_category_enabled_p(category)) {
@@ -4047,6 +4047,15 @@ rb_warn_unchilled(VALUE obj)
     }
 }
 
+void
+rb_warn_unchilled_symbol_to_s(VALUE obj)
+{
+    rb_category_warn(
+        RB_WARN_CATEGORY_DEPRECATED,
+        "warning: string returned by :%s.to_s will be frozen in the future", RSTRING_PTR(obj)
+    );
+}
+
 #undef rb_check_frozen
 void
 rb_check_frozen(VALUE obj)