- GMP 6.3.0
  * A possible overflow of type int is avoided for mpz_cmp on huge operands.
  * A possible error condition when a malformed file is read with mpz_inp_raw
    is now correctly handled.
  * New public function mpz_prevprime, companion of the existing mpz_nextprime.
  * New documented pointer types mpz_ptr, mpz_srcptr, and similar for other
    GMP types. Refer to the manual for full list and suggested usage. These
    types have been present in gmp.h at least since GMP-4.0, but previously
    not advertised to users.
  * Support for 64-bit Arm under Macos.
  * Support for the loongarch64 CPU family.
  * Support for building with LTO, link-time optimisations.
  * New special code for base = 2 in mpz_powm reduces the average time for
    the functions that test primality.
  * Speedup for the function mpz_nextprime on large operands.
  * Speedup for multiplications (some sizes only) thanks to new internal
    functions to compute small negacyclic products.
  * Special assembly code for IBM z13 and later "mainframe" CPUs, resulting
    in a huge speedup.
  * Improved assembly for several 64-bit x86 CPUs, Risc-V, 64-bit Arm.
- Removed gmp-6.2.1-CVE-2021-43618.patch which is included in the
  new release.

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