// stderr-per-bitwidth // Strip out raw byte dumps to make comparison platform-independent: // normalize-stderr-test "(the raw bytes of the constant) \(size: [0-9]*, align: [0-9]*\)" -> "$1 (size: $$SIZE, align: $$ALIGN)" // normalize-stderr-test "([0-9a-f][0-9a-f] |╾─*a(lloc)?[0-9]+(\+[a-z0-9]+)?─*╼ )+ *│.*" -> "HEX_DUMP" use std::alloc::Layout; // ok const LAYOUT_VALID: Layout = unsafe { Layout::from_size_align_unchecked(0x1000, 0x08) }; // not ok, since alignment needs to be non-zero. const LAYOUT_INVALID_ZERO: Layout = unsafe { Layout::from_size_align_unchecked(0x1000, 0x00) }; //~^ ERROR it is undefined behavior to use this value // not ok, since alignment needs to be a power of two. const LAYOUT_INVALID_THREE: Layout = unsafe { Layout::from_size_align_unchecked(9, 3) }; //~^ ERROR it is undefined behavior to use this value fn main() {}