src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.virtual/src/org/graalvm/compiler/virtual/phases/ea/EffectsClosure.java

*** 426,436 ****
       * The main workhorse for merging states, both for loops and for normal merges.
       */
      protected abstract class MergeProcessor {
  
          private final Block mergeBlock;
!         private final AbstractMergeNode merge;
  
          protected final GraphEffectList mergeEffects;
          protected final GraphEffectList afterMergeEffects;
  
          /**
--- 426,436 ----
       * The main workhorse for merging states, both for loops and for normal merges.
       */
      protected abstract class MergeProcessor {
  
          private final Block mergeBlock;
!         protected final AbstractMergeNode merge;
  
          protected final GraphEffectList mergeEffects;
          protected final GraphEffectList afterMergeEffects;
  
          /**