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https://issues.apache.org/jira/browse/GROOVY-12581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18135254#comment-18135254
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ASF GitHub Bot commented on GROOVY-12581:
-----------------------------------------
codeconsole commented on PR #3107:
URL: https://github.com/apache/groovy/pull/3107#issuecomment-6526618701
@daniellansun Merged master, which starts a new CI run (a fork author cannot
re-run jobs). `StaticInvocationWriter` auto-merged; the
`org.codehaus.groovy.classgen.asm.sc` and `groovy.transform.stc` packages pass
on the merge (4,549 tests), as do the Checkstyle and CodeNarc gates.
> SC: a delegating closure in an instance initializer block fails for a
> delegate that is not a Groovy object
> ----------------------------------------------------------------------------------------------------------
>
> Key: GROOVY-12581
> URL: https://issues.apache.org/jira/browse/GROOVY-12581
> Project: Groovy
> Issue Type: Bug
> Components: Static compilation
> Affects Versions: 5.0.8, 6.0.0
> Reporter: Scott Murphy Heiberg
> Priority: Major
>
> {code:groovy}
> @groovy.transform.CompileStatic
> class C {
> List<String> log = [];
> { log << new StringBuilder('a').with { append('b'); toString() } }
> }
> new C() // IncompatibleClassChangeError: Class java.lang.StringBuilder does
> not implement the requested interface groovy.lang.GroovyObject
> {code}
> The type checker records when an implicit-this call in a closure goes to the
> delegate, and the static invocation writer then replaces the receiver with
> {{this.delegate}}, but keeps the call adapter chosen for a call on {{this}}.
> The instance initializer blocks of a {{@CompileStatic}} class are type
> checked but their calls get no method targets, so the call is made
> dynamically with {{ScriptBytecodeAdapter.invokeMethodOnCurrent}}, which takes
> a {{GroovyObject}}. {{with}}, {{tap}} and other delegating closures in such
> blocks fail with any delegate that is not a Groovy object. 4.0.33 returns
> {{[ab]}}.
> PR: https://github.com/apache/groovy/pull/3107
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