;;; ERROR: 1
(module
  (func i32.const -))
(;; STDERR ;;;
out/test/parse/expr/bad-const-i32-just-negative-sign.txt:3:19: unexpected token "-"
  (func i32.const -))
                  ^
out/test/parse/expr/bad-const-i32-just-negative-sign.txt:3:20: syntax error, unexpected ), expecting NAT or INT or FLOAT
  (func i32.const -))
                   ^
;;; STDERR ;;)