[Issue 20138] is expression not evaluating correctly?

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20138

--- Comment #1 from Manu <turkeyman at gmail.com> ---
  alias X = shared int;
  pragma(msg, X, "  ", is(X == shared U, U), "  ", U));

> shared(int)  true   int


  alias X = shared inout int;
  pragma(msg, X, "  ", is(X == shared U, U), "  ", U));

> shared(inout(int))   false   Error: undefined identifier `U`

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