[jhgb]

> As for the bytecode, as far as I recall CMU CL did not have bytecode compiler at all

The byte code compilation option is described in CMUCL documentation, section 5.9 Byte Coded Compilation: https://cmucl.org/docs/cmu-user/html/Byte-Coded-Compilation....

[p_l]

Ah, with how cmucl was problematic to get running I never delved that deep. It indeed is not present in SBCL.

That said, as mentioned, it gave no real impact on bootstrappability nor portability