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https://issues.apache.org/jira/browse/GROOVY-8610?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16492129#comment-16492129
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ASF GitHub Bot commented on GROOVY-8610:
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GitHub user jwagenleitner opened a pull request:
https://github.com/apache/groovy/pull/729
GROOVY-8610: STC NPE using DGM collect on Iterator
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jwagenleitner/groovy 8610-stc-collect-iterator
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/groovy/pull/729.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #729
----
commit 137f87a3809e3d8d8f572b07f464237f3277b0b2
Author: John Wagenleitner <jwagenleitner@...>
Date: 2018-05-27T19:10:59Z
GROOVY-8610: STC NPE using DGM collect on Iterator
----
> STC NPE using DGM collect on Iterator
> -------------------------------------
>
> Key: GROOVY-8610
> URL: https://issues.apache.org/jira/browse/GROOVY-8610
> Project: Groovy
> Issue Type: Bug
> Components: Static Type Checker
> Affects Versions: 2.5.0
> Reporter: John Wagenleitner
> Assignee: John Wagenleitner
> Priority: Major
>
> {code:groovy}
> @groovy.transform.TypeChecked
> def m() {
> List<String> list = ['foo', 'bar', 'baz']
> list.iterator().collect { it.startsWith('ba') } == [false, true, true]
> }
> m()
> {code}
> Results in:
> {code:java}
> BUG! exception in phase 'instruction selection' in source unit
> 'TestScript.groovy' unexpected NullpointerException
> {code}
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