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

rev 56282 : [mq]: graal

*** 1,7 ****
  /*
!  * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 355,364 ****
--- 355,370 ----
                      return info.exitStates;
                  } else {
                      lastMergedState = mergeProcessor.newState;
                      for (Block block : loop.getBlocks()) {
                          blockEffects.get(block).clear();
+                         if (block.isLoopHeader()) {
+                             final GraphEffectList loopEffects = loopMergeEffects.get(block.getLoop());
+                             if (loopEffects != null) {
+                                 loopEffects.clear();
+                             }
+                         }
                      }
                  }
              }
          }
          throw new GraalError("too many iterations at %s", loop);