Yul IR generation for member access to type types.

test/libsolidity/semanticTests/various/state_variable_local_variable_mixture.sol

@@ -6,6 +6,7 @@ contract A {
         x = A.y;
     }
 }
-
+// ====
+// compileViaYul: also
 // ----
 // a() -> 2

test/libsolidity/semanticTests/various/state_variable_under_contract_name.sol

@@ -5,6 +5,7 @@ contract Scope {
         stateVar = Scope.stateVar;
     }
 }
-
+// ====
+// compileViaYul: also
 // ----
 // getStateVar() -> 42