abc segfaults in certain usecase

[MrHighVoltage]

Version

Yosys 0.45 (git sha1 9ed031d, g++ 11.4.0-1ubuntu1~22.04 -Og -fPIC)

On which OS did this happen?

Linux

Reproduction Steps

Compile yosys from source, using the 0.45 tag, which builds ABC from the commit 2188bc7
Run example provided in this issue : iic-jku/IIC-OSIC-TOOLS#75

Expected Behavior

According to the reported issue for our container, the script works on a different versions.

Actual Behavior

ABC segfaults, a backtrace is provided as a comment at the issue there iic-jku/IIC-OSIC-TOOLS#75

[widlarizer]

Reproduced in ubuntu 22.04 docker as well as up to date nixos unstable with the 0.45 release

[wjrforcyber]

There's an update on boxes support in &nf mapper recently might cause this issue, there are several places need to be fixed, if you don't need boxes in this mapper, revert in ABC:

git revert 111867432cbfc9d24849bf044b044b8bab6c3b1e 0cb945ebcd8051fc2673d8ebe322a5030b9f948e

Then the case you provided will pass with no problem.