[jira] [Created] (GROOVY-8984) Can assign Collection with super wildcard to Array

[Daniil Ovchinnikov (JIRA)]

Daniil Ovchinnikov created GROOVY-8984:
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             Summary: Can assign Collection with super wildcard to Array
                 Key: GROOVY-8984
                 URL: https://issues.apache.org/jira/browse/GROOVY-8984
             Project: Groovy
          Issue Type: Bug
          Components: Static Type Checker
    Affects Versions: 2.5.6
            Reporter: Daniil Ovchinnikov


{code:java}
Collection<? super Runnable> foo() {[new Object()]}

@groovy.transform.CompileStatic
def usage() {
  Runnable[] ar = foo() // here
  ar
}

println usage()
{code}
Expected: compilation should fail
 Actual: compilation completes and execution fails with {{Cannot cast object 
'java.lang.Object@65e98b1c' with class 'java.lang.Object' to class 
'java.lang.Runnable'}}



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