Exception for qlog (example 3.10)

Specification

\[\left|x\right| \leq 1\]

\[\begin{array}{l} \\ \frac{\log \left(1 - x\right)}{\log \left(1 + x\right)} \end{array} \]

(FPCore (x) :precision binary64 (/ (log (- 1.0 x)) (log (+ 1.0 x))))

double code(double x) {
	return log((1.0 - x)) / log((1.0 + x));
}

real(8) function code(x)
    real(8), intent (in) :: x
    code = log((1.0d0 - x)) / log((1.0d0 + x))
end function

public static double code(double x) {
	return Math.log((1.0 - x)) / Math.log((1.0 + x));
}

def code(x):
	return math.log((1.0 - x)) / math.log((1.0 + x))

function code(x)
	return Float64(log(Float64(1.0 - x)) / log(Float64(1.0 + x)))
end

function tmp = code(x)
	tmp = log((1.0 - x)) / log((1.0 + x));
end

code[x_] := N[(N[Log[N[(1.0 - x), $MachinePrecision]], $MachinePrecision] / N[Log[N[(1.0 + x), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]

\begin{array}{l}

\\
\frac{\log \left(1 - x\right)}{\log \left(1 + x\right)}
\end{array}

Reproduce

herbie shell --seed 2024298 
(FPCore (x)
  :name "qlog (example 3.10)"
  :precision binary64
  :pre (<= (fabs x) 1.0)

  :alt
  (! :herbie-platform default (/ (log1p (- x)) (log1p x)))

  (/ (log (- 1.0 x)) (log (+ 1.0 x))))

Please file a bug report with this information.

Backtrace

hash-set!: contract violation expected: (and/c hash? (not/c immutable?)) given: #<procedure:id->egglog> argument position: 1st other arguments...: '!= 'Neq		L	C
platform-spec-nodes	/home/nightlies/herbie/varun10p-egglog/src/core/egglog-herbie.rkt	111	0
prelude	/home/nightlies/herbie/varun10p-egglog/src/core/egglog-herbie.rkt	75	0
run-improve!	/home/nightlies/herbie/varun10p-egglog/src/core/mainloop.rkt	46	0
get-alternatives/report	/home/nightlies/herbie/varun10p-egglog/src/api/sandbox.rkt	186	0
(unnamed)	/home/nightlies/herbie/varun10p-egglog/src/api/sandbox.rkt	282	6
(unnamed)	/usr/share/racket/pkgs/profile-lib/main.rkt	40	10
profile-thunk	/usr/share/racket/pkgs/profile-lib/main.rkt	9	0
(unnamed)	/usr/share/racket/collects/racket/engine.rkt	42	24