Check owning object wasn't disclaimed.

Port of MoarVM/MoarVM@1a36596
Raku · May 18, 2015 · 3135dfa · 3135dfa
1 parent e7b8aef
commit 3135dfa
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/vm/jvm/runtime/org/perl6/nqp/runtime/Ops.java b/src/vm/jvm/runtime/org/perl6/nqp/runtime/Ops.java
@@ -4363,7 +4363,10 @@ public static void scwbObject(ThreadContext tc, SixModelObject obj) {
             obj = owner;
 
         SerializationContext compSC = tc.compilingSCs.get(cscSize - 1).referencedSC;
-        if (obj.sc != compSC) {
+        if (obj.sc == null) { /* Probably disclaimed. */
+            return;
+        }
+        else if (obj.sc != compSC) {
             compSC.repossessObject(obj.sc, obj);
             obj.sc = compSC;
         }