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

#write test.zig {
export fn a(x: [*]u8) void {
    _ = x * 1;
}

export fn b(x: *u8) void {
    _ = x * x;
}

export fn c() void {
    const x: []u8 = undefined;
    const y: []u8 = undefined;
    _ = x - y;
}

export fn d() void {
    var x: [*]u8 = undefined;
    var y: [*]u16 = undefined;
    _ = &x;
    _ = &y;
    _ = x - y;
}

comptime {
    const x: *u8 = @ptrFromInt(1);
    const y: *u16 = @ptrFromInt(2);
    _ = x - y;
}

comptime {
    const x: *u0 = @ptrFromInt(1);
    const y: *u0 = @ptrFromInt(2);
    _ = x - y;
}
#}
#update
#check errors {
test.zig:2:11: error: invalid pointer-integer arithmetic operator
test.zig:2:11: note: pointer-integer arithmetic only supports addition and subtraction
test.zig:6:11: error: invalid pointer-pointer arithmetic operator
test.zig:6:11: note: pointer-pointer arithmetic only supports subtraction
test.zig:12:11: error: invalid operands to binary expression: 'pointer' and 'pointer'
test.zig:20:11: error: incompatible pointer arithmetic operands '[*]u8' and '[*]u16'
test.zig:26:11: error: incompatible pointer arithmetic operands '*u8' and '*u16'
test.zig:32:11: error: pointer subtraction requires element type 'u0' to have runtime bits
#}
