;; Test removeNops
(block (result i32 i64)
 (nop)
 (i32.const 0)
 (nop)
 (i64.const 0)
 (nop)
 (nop)
)
(block (result i32 i64)
 (i32.const 0)
 (i64.const 0)
)
;; Test stack signatures
;; Test stack signature composition
;; Test stack signature subtyping
;; Test stack signature lub
;; Test stack flow