warning: skipping const checks
  --> $DIR/const_fn_ptr.rs:12:5
   |
LL |     X(x)
   |     ^^^^

warning: skipping const checks
  --> $DIR/const_fn_ptr.rs:16:5
   |
LL |     X_CONST(x)
   |     ^^^^^^^^^^

warning: skipping const checks
  --> $DIR/const_fn_ptr.rs:20:5
   |
LL |     x(y)
   |     ^^^^

warning: 3 warnings emitted