From C++ implementation:
Note that IsPushOnly() does consider OP_RESERVED to be a push-type
opcode, however execution of OP_RESERVED fails, so it's not relevant to
P2SH/BIP62 as the scriptSig would fail prior to the P2SH special
validation code being executed.
From C++ implementation: Note that IsPushOnly() does consider OP_RESERVED to be a push-type opcode, however execution of OP_RESERVED fails, so it's not relevant to P2SH/BIP62 as the scriptSig would fail prior to the P2SH special validation code being executed.