[GROOVY-4924] Class implementing a generic interface causes VerifyError

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.7.10, 1.8.0
• Fix Version/s: 1.8.1, 1.7.11
• Environment: Groovy Version: 1.8.0 JVM: 1.6.0_0
• Assignee: Jochen Theodorou
• Reporter: Daniel Vekhter
• Created: 14/Jul/11 13:17
• Updated: 14/Jul/11 15:26
• Resolved: 14/Jul/11 15:26

Description

This script:

interface Interface<SomeType> {
   public void handle(long a, SomeType x);
}

class InterfaceImpl
implements Interface<String> {
    public void handle(long a, String something) {
        println(something);
    }
}

InterfaceImpl test = new InterfaceImpl()
test.handle(5, "hi");

causes:

Caught: java.lang.VerifyError: (class: InterfaceImpl, method: handle signature: (JLjava/lang/Object;)V) Register 2 contains wrong type
        at Test.class$(Test.groovy)
        at Test.$get$$class$InterfaceImpl(Test.groovy)
        at Test.run(Test.groovy:12)