;;; TOOL: run-gen-wasm
;;; FLAGS: --objdump
;;; ERROR: 1
magic
version
section(TYPE) { count[1] function params[0] results[1] i32 }
section(FUNCTION) { count[1] type[0] }
section(CODE) {
  count[1]
  func {
    locals[0]
    invalid_op[0xff]
  }
}
(;; STDERR ;;;
Error running "wasm-objdump":
*ERROR*: @0x00000019: unexpected opcode: 255 (0xff)

;;; STDERR ;;)
(;; STDOUT ;;;

bad-opcode.wasm:	file format wasm 0x1

Section Details:

Type:
 - type[0] () -> i32
Function:
 - func[0] sig=0
;;; STDOUT ;;)