| // 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() {} |
