[jira] [Commented] (GROOVY-8237) Invalid type inference when using CompileStatic annotation

["paolo di tommaso (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/GROOVY-8237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16176015#comment-16176015 ] 

paolo di tommaso commented on GROOVY-8237:
------------------------------------------

Is this patch already merged? Related build still fails. See http://ci.groovy-lang.org/viewLog.html?buildId=42628&buildTypeId=JointBuilds_Nextflow_Groovy24xJointBuild&tab=buildLog

> Invalid type inference when using CompileStatic annotation
> ----------------------------------------------------------
>
>                 Key: GROOVY-8237
>                 URL: https://issues.apache.org/jira/browse/GROOVY-8237
>             Project: Groovy
>          Issue Type: Bug
>    Affects Versions: 2.4.12
>            Reporter: paolo di tommaso
>
> With Groovy 2.4.12 the following snippet report an error 
> {code}
> @groovy.transform.CompileStatic
> class Foo {
>   String parse(Reader reader) {
>         if ( reader == null ) {  // != works okay
>           reader = new BufferedReader(reader)
>         }
>          
>         def c 
>         while ((c = reader.read()) != -1) 
>            print c as char
>   }
> }
> new Foo().parse( new StringReader('abc') )
> {code}
> The following exception is thrown 
> {code}
> org.codehaus.groovy.runtime.typehandling.GroovyCastException: Cannot cast object 'java.io.StringReader@7a636960' with class 'java.io.StringReader' to class 'java.io.BufferedReader'
> {code}



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