const assert = @import("std").debug.assert; const builtin = @import("builtin"); const Foo = struct { x: u32, y: u32, z: u32, }; test "@abiAlignOf(T) before referencing T" { comptime assert(@cAbiAlignOf(Foo) != @maxValue(usize)); if (builtin.arch == builtin.Arch.x86_64) { comptime { assert(@cAbiAlignOf(Foo) == 4); assert(@preferredAlignOf(Foo) == 8); } } }