https://issues.dlang.org/show_bug.cgi?id=20091
--- Comment #1 from Ali Ak <[email protected]> --- f's instantiation with untyped lambda: f!(W!int) { auto pure nothrow @safe string f(ref W!int value) { return (void*[2] __this3 = null;) , value.hook(); } } With typed lambda: f!(W!int) { auto pure nothrow @nogc @safe string f(ref W!int value) { return value.hook(); } } --
