test/duplicate_types.wast.fromBinary

(module
 (type $0 (func (param i32)))
 (type $i32_=>_i32 (func (param i32) (result i32)))
 (func $f0 (param $0 i32)
  (nop)
 )
 (func $f1 (param $0 i32) (result i32)
  (i32.const 0)
 )
)