math.square on complex, imaginary part

Specification

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\[\begin{array}{l} \\ re \cdot im + im \cdot re \end{array} \]
(FPCore im_sqr (re im) :precision binary64 (+ (* re im) (* im re)))
double im_sqr(double re, double im) {
	return (re * im) + (im * re);
}
real(8) function im_sqr(re, im)
    real(8), intent (in) :: re
    real(8), intent (in) :: im
    im_sqr = (re * im) + (im * re)
end function
public static double im_sqr(double re, double im) {
	return (re * im) + (im * re);
}
def im_sqr(re, im):
	return (re * im) + (im * re)
function im_sqr(re, im)
	return Float64(Float64(re * im) + Float64(im * re))
end
function tmp = im_sqr(re, im)
	tmp = (re * im) + (im * re);
end
im$95$sqr[re_, im_] := N[(N[(re * im), $MachinePrecision] + N[(im * re), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
re \cdot im + im \cdot re
\end{array}

Reproduce

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herbie shell --seed 2024005 
(FPCore im_sqr (re im)
  :name "math.square on complex, imaginary part"
  :precision binary64
  (+ (* re im) (* im re)))

Please file a bug report with this information.

Backtrace

repr->cost: arity mismatch; the expected number of arguments does not match the given number expected: 2 given: 1LC
loop.../private/map.rkt5419
f490.../match/compiler.rkt54840
loop.../private/map.rkt5419
f490.../match/compiler.rkt54840
make-alt-table/home/nightlies/herbie/platforms/src/core/alt-table.rkt400
(unnamed)/usr/share/racket/collects/racket/contract/private/arrow-val-first.rkt48618
initialize-alt-table!/home/nightlies/herbie/platforms/src/mainloop.rkt3160
mutate!/home/nightlies/herbie/platforms/src/mainloop.rkt3520
run-improve!/home/nightlies/herbie/platforms/src/mainloop.rkt3380
get-alternatives/report/home/nightlies/herbie/platforms/src/sandbox.rkt1690
(unnamed)/home/nightlies/herbie/platforms/src/sandbox.rkt2626
(unnamed)/usr/share/racket/pkgs/profile-lib/main.rkt4010
profile-thunk/usr/share/racket/pkgs/profile-lib/main.rkt90
(unnamed)/usr/share/racket/collects/racket/engine.rkt4224