Prohibit changing generational mode during GC disabled; fix #3689

mruby · Jun 3, 2017 · c9a4f8a · c9a4f8a
1 parent 935649b
commit c9a4f8a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/gc.c b/src/gc.c
@@ -1437,7 +1437,7 @@ static void
 change_gen_gc_mode(mrb_state *mrb, mrb_gc *gc, mrb_bool enable)
 {
   if (gc->disabled || gc->iterating) {
-    gc->generational = enable;
+    mrb_raise(mrb, E_RUNTIME_ERROR, "generational mode changed when GC disabled");
     return;
   }
   if (is_generational(gc) && !enable) {