Groovy snippet that causes type error on groovy 2.1.7 (invokedynamic version).

gistfile1.groovy

interface ServiceA {}
interface ServiceB {}
interface ServiceC {}
interface ServiceD {}
interface ServiceE {}
interface ServiceF {}
interface ServiceG {}

static Expando getRefs(Integer i, Class<?>... ifaces) {
    Expando e = new Expando()
    ifaces.each {
        def impl = new Object()
        def name = it.simpleName
        e.setProperty(name[0].toLowerCase() + name[1..-1], impl)
    }
    e
}

getRefs(1, ServiceA.class, ServiceB.class, ServiceC.class, ServiceD.class, ServiceE.class, ServiceF.class, ServiceG.class)

// Causes stacktrace on Groovy 2.1.7 (indy/invokedynamic), Java 1.7.0_40:
// Caught: java.lang.IllegalArgumentException: target and fallback types must match: (Object,Object,Object,Object,Object,Object,Object,Object,Object)Object != (Class,int,Class,Class,Class,Class,Class,Class,Class)Object
// java.lang.IllegalArgumentException: target and fallback types must match: (Object,Object,Object,Object,Object,Object,Object,Object,Object)Object != (Class,int,Class,Class,Class,Class,Class,Class,Class)Object
//        at varargs_indy.run(varargs_indy.groovy:19)

// Compiled as: groovy -cp groovy-all-2.1.7-indy.jar --indy varargs_indy.groovy