Target Typing for empty collections should work for field/property initialisers

import groovy.transform.*
@CompileStatic
@ToString(includeFields=true)
class Foo {
    List<String> propWithGen = ['propWithGen'] ?: []
    List propNoGen = ['propNoGen'] ?: []
    private List<String> fieldGen = ['fieldGen'] ?: []
    def bar() {
        this.propNoGen = ['notDecl'] ?: [] // not applicable here
        List<String> localVar = ['localVar'] ?: []
        localVar
    }
}

def foo = new Foo()
assert foo.bar() == ['localVar']
assert foo.toString() == 'Foo([propWithGen], [notDecl], [fieldGen])'