4 fail_compilation/test8509.d(13): Error: cannot implicitly convert expression `"hello world"` of type `string` to `E`
5 fail_compilation/test8509.d(14): Error: cannot implicitly convert expression `"hello world"` of type `string` to `E`
9 enum E
: string
{ a
= "hello", b
= "world" }
13 E e1
= E
.a
~ " world";
14 E e2
= "hello " ~ E
.b
;