ClassCastException at BuildUtils.mergeNodes with two rules having identical constraints

java.lang.ClassCastException: org.drools.core.rule.constraint.EvaluatorConstraint cannot be cast to org.drools.core.rule.constraint.MvelConstraint
	at org.drools.core.reteoo.builder.BuildUtils.mergeNodes(BuildUtils.java:176)
	at org.drools.core.reteoo.builder.BuildUtils.attachNode(BuildUtils.java:152)
	at org.drools.core.reteoo.builder.GroupElementBuilder$AndBuilder.buildJoinNode(GroupElementBuilder.java:143)
	at org.drools.core.reteoo.builder.GroupElementBuilder$AndBuilder.build(GroupElementBuilder.java:110)
	at org.drools.core.reteoo.builder.GroupElementBuilder.build(GroupElementBuilder.java:68)
	at org.drools.core.reteoo.builder.ReteooRuleBuilder.addSubRule(ReteooRuleBuilder.java:167)
	at org.drools.core.reteoo.builder.ReteooRuleBuilder.addRule(ReteooRuleBuilder.java:139)
	at org.drools.core.reteoo.ReteooBuilder.addRule(ReteooBuilder.java:110)
	at org.drools.core.impl.KnowledgeBaseImpl.internalAddRule(KnowledgeBaseImpl.java:1523)
	at org.drools.core.impl.KnowledgeBaseImpl.internalAddPackages(KnowledgeBaseImpl.java:913)
	at org.drools.core.impl.KnowledgeBaseImpl.lambda$addPackages$2(KnowledgeBaseImpl.java:715)
	at org.drools.core.impl.KnowledgeBaseImpl.enqueueModification(KnowledgeBaseImpl.java:732)
	at org.drools.core.impl.KnowledgeBaseImpl.addPackages(KnowledgeBaseImpl.java:715)
	at org.drools.compiler.kie.builder.impl.AbstractKieModule.createKieBase(AbstractKieModule.java:215)
	at org.drools.compiler.kie.builder.impl.KieContainerImpl.createKieBase(KieContainerImpl.java:406)
	at org.drools.compiler.kie.builder.impl.KieContainerImpl.newKieBase(KieContainerImpl.java:396)
	at org.drools.compiler.kie.builder.impl.KieContainerImpl.newKieBase(KieContainerImpl.java:391)
	at org.kie.internal.utils.KieHelper.build(KieHelper.java:80)
	at org.drools.compiler.integrationtests.ExpirationTest.testEventSameContraint(ExpirationTest.java:595)