early exit error, with tracee dying in ptrace-stop

[kquick]

Occasionally, we will see failures of generate-bitcode processing like the following:

[655/656] Compiling ArduPlane/mode_circle.cpp
[656/656] Linking build/sitl/bin/arduplane
Waf: Leaving directory `/builds/d-fams/dfams-supervolo-demo/ardupilot/build/sitl'
BUILD SUMMARY
Build directory: /builds/d-fams/dfams-supervolo-demo/ardupilot/build/sitl
Target         Text     Data    BSS    Total  
----------------------------------------------
bin/arduplane  2414295  109872  80520  2604687
Build commands will be stored in build/sitl/compile_commands.json
'plane' finished successfully (9m17.098s)
[2024-06-17T16:38:55Z ERROR bom::bom::bitcode] Event collector exiting early due to error: RecvError
Error: Tracee died while in ptrace-stop
Caused by:
    ESRCH: No such process

It appears that the build has completed successfully, but there is a synchronization problem somewhere in or between build-bom, ptrace, and the build tool.