Compilation error with x86 backend #101
Description
Currently the given example (and everything else I've tried) does not compile with zig's x86 backend, it only does with llvm's.
Here is the error gotten with zig 0.14:
install
└─ install comperr_zig_aio
└─ zig build-exe comperr_zig_aio Debug native 1 errors
error: undefined symbol: zefi_stack_swap
note: referenced by main.o:.debug_info
note: referenced by main.o:coro.zefi.yield
note: referenced by main.o:coro.zefi.switchTo
note: referenced by main.o:coro.zefi.init__anon_30095__struct_32200.entry
note: referenced 1 more times
error: the following command failed with 1 compilation errors:
/usr/lib64/zig/0.14.0/bin/zig build-exe -fno-llvm -ODebug --dep aio --dep coro -Mroot=/home/emneo/programs/proper_projects/comperr_zig_aio/src/main.zig -ODebug --dep minilib --dep build_options -Maio=/home/emneo/.cache/zig/p/aio-0.0.0-776t3qVVBQCS5e6tiQ2qs6ds8N3NaEvbxqLg6womBPI_/src/aio.zig -ODebug --dep minilib --dep aio --dep build_options=build_options0 -Mcoro=/home/emneo/.cache/zig/p/aio-0.0.0-776t3qVVBQCS5e6tiQ2qs6ds8N3NaEvbxqLg6womBPI_/src/coro.zig -ODebug -Mminilib=/home/emneo/.cache/zig/p/aio-0.0.0-776t3qVVBQCS5e6tiQ2qs6ds8N3NaEvbxqLg6womBPI_/src/minilib.zig -Mbuild_options=/home/emneo/programs/proper_projects/comperr_zig_aio/.zig-cache/c/b80002184fde0ca6b12bec996fff20c8/options.zig -Mbuild_options0=/home/emneo/programs/proper_projects/comperr_zig_aio/.zig-cache/c/3a315cc5ffd23a4e8186a94d73ba5b2f/options.zig --cache-dir /home/emneo/programs/proper_projects/comperr_zig_aio/.zig-cache --global-cache-dir /home/emneo/.cache/zig --name comperr_zig_aio --zig-lib-dir /usr/lib64/zig/0.14.0/lib/ --listen=-
Build Summary: 2/5 steps succeeded; 1 failed
install transitive failure
└─ install comperr_zig_aio transitive failure
└─ zig build-exe comperr_zig_aio Debug native 1 errors
error: the following build command failed with exit code 1:
/home/emneo/programs/proper_projects/comperr_zig_aio/.zig-cache/o/54247db1f73507abe12308c27f59a615/build /usr/lib64/zig/0.14.0/bin/zig /usr/lib64/zig/0.14.0/lib /home/emneo/programs/proper_projects/comperr_zig_aio /home/emneo/programs/proper_projects/comperr_zig_aio/.zig-cache /home/emneo/.cache/zig --seed 0xdf3fa9f3 -Ze53fdb3345e4fc19
The reproduction repo is here: https://github.com/emneo-dev/comperr-zig-aio