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Lóránt Pintér commented on GROOVY-8695: --------------------------------------- I tried to run this with a Gradle 4.10 nightly that uses Groovy 2.4.15: {code} ./gradlew core:cleanCompileTestFixturesGroovy core:compileTestFixturesGroovy --no-build-cache; md5 subprojects/core/build/classes/groovy/testFixtures/org/gradle/util/ConcurrentSpecification.class {code} It still results in different MD5s being generated: {code} MD5 (subprojects/core/build/classes/groovy/testFixtures/org/gradle/util/ConcurrentSpecification.class) = cebcafb31a5fb7114e3f65ae72c5d12a MD5 (subprojects/core/build/classes/groovy/testFixtures/org/gradle/util/ConcurrentSpecification.class) = 6a7fef52e516b317355c6cd0fddf7f94 MD5 (subprojects/core/build/classes/groovy/testFixtures/org/gradle/util/ConcurrentSpecification.class) = f2600a8b15ff00051a6b4beb827f413b {code} That means this issue is not yet resolved. > @Delegate does not compile deterministically > -------------------------------------------- > > Key: GROOVY-8695 > URL: https://issues.apache.org/jira/browse/GROOVY-8695 > Project: Groovy > Issue Type: Bug > Affects Versions: 2.4.12 > Reporter: Luke Daley > Priority: Major > Attachments: ConcurrentSpecification-with-groovy-2.4.15.zip, > ConcurrentSpecification.class, ConcurrentSpecification.class > > > Checkout gradle/gradle from Github, run: > ``` > ./gradlew core:cleanCompileTestFixturesGroovy core:compileTestFixturesGroovy > --no-build-cache && md5 > subprojects/core/build/classes/groovy/testFixtures/org/gradle/util/ConcurrentSpecification.class > ``` > This class is super thin: > [https://github.com/gradle/gradle/blob/a1b9612fa06f90f20b115cede557e22287501034/subprojects/core/src/testFixtures/groovy/org/gradle/util/ConcurrentSpecification.groovy#L23] > > Guess is that it is `@Delegate` or `@Delegate` in conjunction with Spock > > -- This message was sent by Atlassian JIRA (v7.6.3#76005)