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https://issues.apache.org/jira/browse/GROOVY-12569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18135506#comment-18135506
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ASF GitHub Bot commented on GROOVY-12569:
-----------------------------------------
codeconsole commented on PR #3098:
URL: https://github.com/apache/groovy/pull/3098#issuecomment-6536942595
Merged the updated #3097 (master, now with #3022, and the simplified
`isFieldDirectlyAccessible`).
`MethodReferenceTest.testMethodReferencesInStaticAndDefaultMethodsOfInterface`
fails on master itself since #3056; #3116 fixes it.
> SC: a package-private class of another GroovyClassLoader compilation fails
> with IllegalAccessError where dynamic code works
> ---------------------------------------------------------------------------------------------------------------------------
>
> Key: GROOVY-12569
> URL: https://issues.apache.org/jira/browse/GROOVY-12569
> Project: Groovy
> Issue Type: Bug
> Components: Static compilation
> Affects Versions: 6.0.0
> Reporter: Scott Murphy Heiberg
> Priority: Major
>
> A class that is not public is accessible only within its run-time package
> (JVMS 5.4.4), and the JVM checks that wherever an instruction names the
> class. Dynamic code uses a package-private class of an earlier
> {{GroovyShell}} parse, or of a library used by a script, without naming it.
> Statically compiled code names it and fails:
> {code:groovy}
> def shell = new GroovyShell()
> shell.evaluate '''package p
> @groovy.transform.PackageScope class Hidden implements Runnable {
> static String sm() { 'sm' }
> String name
> String own() { 'own' }
> void run() { }
> }
> true
> '''
> shell.evaluate '''package p
> @groovy.transform.CompileStatic
> def test() {
> def h = new Hidden(name: 'x')
> h.run()
> Runnable r = h
> [Hidden.sm(), h.own(), h.name]
> }
> test()
> ''' // each line fails with IllegalAccessError; without @CompileStatic it
> works
> {code}
> Expected: as in dynamic code, {{new}} and static members go through the
> meta-class, a method is called through a public superclass or interface that
> declares it (else the meta-class), and a value of the class is held as its
> nearest public superclass. A variable declared with the class, a cast to it
> and {{instanceof}} still fail, as in dynamic code. Classes compiled to class
> files are used directly.
> PR: https://github.com/apache/groovy/pull/3098
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