Adjust some more code that was depending on the function and delegate calling conventions being equal. There's also an instance in `tango.text.convert.Layout` that should be adjusted: {{{ Index: tango/text/convert/Layout.d =================================================================== --- tango/text/convert/Layout.d (revision 4578) +++ tango/text/convert/Layout.d (working copy) -660,8 +660,12 @@ case TypeCode.STRUCT: auto s = cast(TypeInfo_Struct) type; - if (s.xtoString) - return Utf.fromString8 (s.xtoString(p), result); + if (s.xtoString) { + char[] delegate() toString; + toString.ptr = p; + toString.funcptr = cast(char[] function()) s.xtoString; + return Utf.fromString8 (toString(), result); + } goto default; case TypeCode.INTERFACE: }}}

extern(C) int printf(char*, ...);

class A {
    bool Afoo = false;
    void foo() { Afoo = true; }
}

class B : A {}

class C : B {
    bool Cfoo = false;
    void foo() { Cfoo = true; }
}

void main()
{
        scope c1 = new C();
        c1.foo();
	assert(c1.Cfoo && !c1.Afoo);
	
	scope c2 = new C();
	c2.B.foo();
	assert(!c2.Cfoo && c2.Afoo);

	scope c3 = new C();
	c3.A.foo();
	assert(!c3.Cfoo && c3.Afoo);
}