[jira] [Commented] (GROOVY-8507) groovyc hangs when compiling nested enum

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[jira] [Commented] (GROOVY-8507) groovyc hangs when compiling nested enum

JIRA jira@apache.org

    [ https://issues.apache.org/jira/browse/GROOVY-8507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16396826#comment-16396826 ]

Daniel Sun commented on GROOVY-8507:

The issue is fixed in the Parrot parser. Please try 2.6.0+ and 3.0.0+. If you try 2.6.0, {{-Dgroovy.antlr4=true}} is required to enable the Parrot parser.

> groovyc hangs when compiling nested enum
> ----------------------------------------
>                 Key: GROOVY-8507
>                 URL: https://issues.apache.org/jira/browse/GROOVY-8507
>             Project: Groovy
>          Issue Type: Bug
>          Components: Compiler
>    Affects Versions: 2.4.5
>         Environment: Linux ubuntu-xenial 4.4.0-116-generic #140-Ubuntu SMP Mon Feb 12 21:23:04 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
>            Reporter: Álvaro Iradier
>            Priority: Major
> This problem was discovered in a Jenkins pipeline, but then nailed down and found it failed with *groovyc* compiler too.
> Creating a script with two nested enums, like:
> {code:java}
> class TestClass {
>     enum OuterEnum {
>         VALUE,
>         enum InnerEnum {
>             A
>         }
>     }
> }
> {code}
> And compiling with groovyc script.groovy makes the compiler freeze with 100% CPU usage.
> In Jenkins, this results in the Job and executor being freezed and zombie (need to kill the job and executor thread), but I am reporting this to Jenkins as an independent issue.
> As the problem seems to happen in a stripped down groovy script, I am reporting it here too.

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