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: }}}

private import tango.core.Thread;

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

void foo()
{
		printf("-- I am here\n");
		Fiber.yield();
		printf("-- Now I am here\n");
}

void main()
{
	Fiber f = new Fiber(&foo);

	printf("Running f once\n");
	f.call();
	printf("Running f again\n");
	f.call();
}