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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);
_ = x + 1;
}
comptime {
const x: *u0 = @ptrFromInt(1);
const y: *u0 = @ptrFromInt(2);
_ = x - y;
}
// error
// backend=stage2
// target=native
//
// :2:11: error: invalid pointer-integer arithmetic operator
// :2:11: note: pointer-integer arithmetic only supports addition and subtraction
// :6:11: error: invalid pointer-pointer arithmetic operator
// :6:11: note: pointer-pointer arithmetic only supports subtraction
// :12:11: error: invalid operands to binary expression: 'Pointer' and 'Pointer'
// :20:11: error: incompatible pointer arithmetic operands '[*]u8' and '[*]u16'
// :26:11: error: incompatible pointer arithmetic operands '*u8' and '*u16'
// :31:11: error: pointer arithmetic requires element type 'u0' to have runtime bits
// :37:11: error: pointer arithmetic requires element type 'u0' to have runtime bits
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