Change Details

This is a partial backport of secp256k1#988 https://github.com/bitcoin-core/secp256k1/pull/988/commits/8ae18f1ab3dce4c487bab75c2f0cdf4fe311b318 Depends on D19385

This is a partial backport of [[https://github.com/bitcoin-core/secp256k1/pull/988 | secp256k1#988]] https://github.com/bitcoin-core/secp256k1/pull/988/commits/8ae18f1ab3dce4c487bab75c2f0cdf4fe311b318 Depends on D19385

This is a partial backport of [[https://github.com/bitcoin-core/secp256k1/pull/988 | secp256k1#988]] https://github.com/bitcoin-core/secp256k1/pull/988/commits/8ae18f1ab3dce4c487bab75c2f0cdf4fe311b318 Depends on D19385