message: use shorter `ptr_mask` impl in cg cranelift
diff: @@ -542,9 +542,7 @@ fn codegen_regular_intrinsic_call<'tcx>(
  sym::ptr_mask => {
  intrinsic_args!(fx, args => (ptr, mask); intrinsic);
  - let ptr_val = ptr.load_scalar(fx);
  -
  - fx.bcx.ins().band(ptr_val, mask);
  + fx.bcx.ins().band(ptr, mask);
  }
  sym::transmute => {
  