Prohibit changing generational mode during GC disabled; fix #3689

mruby · Jun 3, 2017 · c9a4f8a63bef19c98771c49884ff40126e9b7b33 · c9a4f8a
1 parent 935649b
commit c9a4f8a63bef19c98771c49884ff40126e9b7b33
Unified Split

Showing with 1 addition and 1 deletion.

+1 −1 src/gc.c
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) {