bitcoin/bitcoin — pull request #5521 by petertodd (2014-12-21 05:43:36+00:00)
Title: Reject non-final txs even in testnet/regtest

Previous behavior with IsFinalTx() being an IsStandard() rule was rather confusing and interferred with testing of protocols that depended on nLockTime. A particularly bad example is with CHECKLOCKTIMEVERIFY where it gave the impression that the CLTV opcode didn't do anything.