We verify that Trac #6919 is correctly fixed:
sage: R.<x> = PolynomialRing(ZZ) sage: A = 2^(2^17+2^15) sage: a = A * x^31 sage: b = (A * x) * x^30 sage: a == b True
sage.libs.flint.flint.
free_flint_stack
Linbox interface
FLINT fmpz_poly class wrapper
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