[jira] [Assigned] (GROOVY-10975) STC rejects program when passing method reference in parameterized function

["Eric Milles (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GROOVY-10975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Milles reassigned GROOVY-10975:
------------------------------------

    Assignee: Eric Milles

> STC rejects program when passing method reference in parameterized function
> ---------------------------------------------------------------------------
>
>                 Key: GROOVY-10975
>                 URL: https://issues.apache.org/jira/browse/GROOVY-10975
>             Project: Groovy
>          Issue Type: Bug
>          Components: Static Type Checker
>            Reporter: Thodoris Sotiropoulos
>            Assignee: Eric Milles
>            Priority: Minor
>
> Probably a regression because groovyc 4.0.10 compiles the program.
> Program:
> {code}
> import java.util.*;
> class Main {
>   static final void test() {
>     Collection<Integer> x = null;
>     WeakHashMap<Integer, Integer> y = null;
>     new Hashtable<java.lang.IllegalStateException, Boolean>(Collections.min(x, y::put));
>   }
> }
> {code}
> h3. Actual behavior
> {code}
> org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
> Main.groovy: 8: [Static type checking] - Cannot find matching constructor java.util.Hashtable(java.lang.Object)
>  @ line 8, column 5.
>        new Hashtable<java.lang.IllegalStateException, Boolean>(Collections.min(x, y::put));
>        ^
> 1 error
> {code}
> h3. Expected behavior
> Compile successfully
> Tested against master (commit: d3c914693486bf137ec0992ef0dc28b79cba2fae)



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