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

#write test.zig {
extern fn foo() i32;
const x = foo();
export fn entry() i32 {
    return x;
}
#}
#update
#check errors {
test.zig:2:14: error: comptime call of extern function
test.zig:2:14: note: initializer of container-level variable must be comptime-known
#}
