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

#write test.zig {
export fn a() void {
    x += 1;
}
export fn b() void {
    x += 1;
}
#}
#update
#check errors {
test.zig:2:5: error: use of undeclared identifier 'x'
test.zig:5:5: error: use of undeclared identifier 'x'
#}
