#zig build-obj {
--name test -fno-emit-bin
-Mroot=test.zig
#}

#write test.zig {
comptime {
    var undef_ptr: *i32 = undefined;
    const ptr: *i32 = @ptrCast(undef_ptr);
    _ = &undef_ptr;
    _ = ptr;
}
#}
#update
#check errors {
test.zig:3:32: error: use of undefined value here causes illegal behavior
#}
