In following code, aliased type T is not resolved. ---- void main() { alias int T; static assert( is( T** : const(T**) )); // Line 4: causes an error static assert( is( T* : const(T*) )); // OK } output: ---- test.d(4): Error: static assert (is(int*** : const(T***))) is false
https://github.com/D-Programming-Language/dmd/pull/430
https://github.com/D-Programming-Language/dmd/commit/bb3729ec6ccc4133368638069e5c09bfc035a77b