Trying to debug some of the CI failures we are seeing here with Julia 1.12, I stumbled across this delightful error.
julia-debug: /home/vchuravy/src/julia-1.12/usr/include/llvm/ExecutionEngine/Orc/ThreadSafeModule.h:68: llvm::orc::ThreadSafeContext::Lock llvm::orc::ThreadSafeContext::getLock() const: Assertion `S && "Can not lock an empty ThreadSafeContext"' failed.
[3155292] signal 6 (-6): Aborted
in expression starting at none:0
unknown function (ip: 0x7f565d0d890c) at /usr/lib/libc.so.6
gsignal at /usr/lib/libc.so.6 (unknown line)
abort at /usr/lib/libc.so.6 (unknown line)
unknown function (ip: 0x7f565d0654e2) at /usr/lib/libc.so.6
getLock at /home/vchuravy/src/julia-1.12/usr/include/llvm/ExecutionEngine/Orc/ThreadSafeModule.h:68
~ThreadSafeModule at /home/vchuravy/src/julia-1.12/usr/include/llvm/ExecutionEngine/Orc/ThreadSafeModule.h:115
destroyAll at /home/vchuravy/src/julia-1.12/usr/include/llvm/ADT/DenseMap.h:395
~DenseMap at /home/vchuravy/src/julia-1.12/usr/include/llvm/ADT/DenseMap.h:781
__cxa_finalize at /usr/lib/libc.so.6 (unknown line)
unknown function (ip: 0x7f565b62f4f7) at /home/vchuravy/src/julia-1.12/usr/bin/../lib/libjulia-codegen-debug.so.1.12
unknown function (ip: 0x7f565d279011) at /lib64/ld-linux-x86-64.so.2
unknown function (ip: 0x7f565d27d16d) at /lib64/ld-linux-x86-64.so.2
unknown function (ip: 0x7f565d080c70) at /usr/lib/libc.so.6
exit at /usr/lib/libc.so.6 (unknown line)
main at /home/vchuravy/src/julia-1.12/cli/loader_exe.c:61
unknown function (ip: 0x7f565d067634) at /usr/lib/libc.so.6
__libc_start_main at /usr/lib/libc.so.6 (unknown line)
_start at /home/vchuravy/src/julia-1.12/usr/bin/julia-debug (unknown line)
Allocations: 60666706 (Pool: 60664351; Big: 2355); GC: 31
Trying to debug some of the CI failures we are seeing here with Julia 1.12, I stumbled across this delightful error.