[Truffle] Fix sequence maintenance in Hash#shift

jruby · Mar 28, 2015 · 06e3bff · 06e3bff
1 parent d96ac07
commit 06e3bff
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/truffle/src/main/java/org/jruby/truffle/nodes/core/HashNodes.java b/truffle/src/main/java/org/jruby/truffle/nodes/core/HashNodes.java
@@ -1121,6 +1121,10 @@ public RubyArray shiftBuckets(RubyHash hash) {
             hash.setFirstInSequence(first.getNextInSequence());
 
             if (first.getPreviousInSequence() != null) {
+                first.getPreviousInSequence().setNextInSequence(null);
+            }
+
+            if (first.getNextInSequence() != null) {
                 first.getNextInSequence().setPreviousInSequence(null);
             }