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https://issues.apache.org/jira/browse/GROOVY-7402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15873017#comment-15873017
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ASF GitHub Bot commented on GROOVY-7402:
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GitHub user paulk-asert opened a pull request:
https://github.com/apache/groovy/pull/499
GROOVY-7402: Compiler NPE Related To AST Transformations And Traits
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/paulk-asert/groovy groovy7402
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/groovy/pull/499.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 #499
----
commit 9851c82a2b3cb2ae4d914daa523b9adc11faff0c
Author: paulk <pa...@asert.com.au>
Date: 2017-02-18T06:17:49Z
GROOVY-7402: Compiler NPE Related To AST Transformations And Traits
----
> Compiler NPE Related To AST Transformations And Traits
> ------------------------------------------------------
>
> Key: GROOVY-7402
> URL: https://issues.apache.org/jira/browse/GROOVY-7402
> Project: Groovy
> Issue Type: Bug
> Components: Compiler
> Affects Versions: 2.4.3
> Reporter: Jeff Scott Brown
> Attachments: traitannotation.zip
>
>
> Related to https://github.com/grails/grails-core/issues/663.
> The attached traitannotation.zip includes the following:
> {code:title=src/main/groovy/demo/SomeTrait.groovy|borderStyle=solid}
> package demo
> import groovy.transform.*
> @Immutable
> trait SomeTrait {
> String name
> }
> {code}
> {code:title=src/main/groovy/demo/SomeClass.groovy|borderStyle=solid}
> package demo
> class SomeClass implements SomeTrait {}
> {code}
> Compilation raises an NPE:
> {noformat}
> $ ./gradlew clean cG
> :clean
> :compileJava UP-TO-DATE
> :compileGroovy FAILED
> FAILURE: Build failed with an exception.
> * What went wrong:
> Execution failed for task ':compileGroovy'.
> > BUG! exception in phase 'instruction selection' in source unit
> > '/Users/jeff/traitannotation/src/main/groovy/demo/SomeTrait.groovy'
> > unexpected NullpointerException
> * Try:
> Run with --stacktrace option to get the stack trace. Run with --info or
> --debug option to get more log output.
> BUILD FAILED
> {noformat}
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