wanderer/secp256k1-node — pull request #5 by ethers (2014-11-10 19:17:09+00:00)
Title: disable DEBUG_CHECK

revert back to 0.0.8 and build without DEBUG_CHECK

the recid can be out of bounds, eg CallEcrecover2 test: https://github.com/ethereum/tests/blob/develop/StateTests/stPreCompiledContracts.json