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

#write test.zig {
const T = struct {
    comptime a: u32 = 2,
};
export fn entry1() void {
    @offsetOf(T, "a");
}
export fn entry2() void {
    @as(*T, @fieldParentPtr("a", undefined));
}
#}
#update
#check errors {
test.zig:5:5: error: no offset available for comptime field
test.zig:8:29: error: cannot get @fieldParentPtr of a comptime field
#}
