As an additional validation criteria, the alignment must be less or equal to natural alignment.
;; Test alignment annotation rules
(module (memory 0) (func (i32.load8_u align=2 (i32.const 0))))
(module (memory 0) (func (i32.load16_u align=4 (i32.const 0))))
(module (memory 0) (func (i32.load align=8 (i32.const 0))))
(module (memory 0) (func (f32.load align=8 (i32.const 0))))