diff options
Diffstat (limited to 'src/test/ui/consts/offset_ub.rs')
-rw-r--r-- | src/test/ui/consts/offset_ub.rs | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/src/test/ui/consts/offset_ub.rs b/src/test/ui/consts/offset_ub.rs deleted file mode 100644 index 1b01e4fd1..000000000 --- a/src/test/ui/consts/offset_ub.rs +++ /dev/null @@ -1,26 +0,0 @@ -use std::ptr; - -// normalize-stderr-test "alloc\d+" -> "allocN" -// normalize-stderr-test "0x7f+" -> "0x7f..f" - - -pub const BEFORE_START: *const u8 = unsafe { (&0u8 as *const u8).offset(-1) }; //~NOTE -pub const AFTER_END: *const u8 = unsafe { (&0u8 as *const u8).offset(2) }; //~NOTE -pub const AFTER_ARRAY: *const u8 = unsafe { [0u8; 100].as_ptr().offset(101) }; //~NOTE - -pub const OVERFLOW: *const u16 = unsafe { [0u16; 1].as_ptr().offset(isize::MAX) }; //~NOTE -pub const UNDERFLOW: *const u16 = unsafe { [0u16; 1].as_ptr().offset(isize::MIN) }; //~NOTE -pub const OVERFLOW_ADDRESS_SPACE: *const u8 = unsafe { (usize::MAX as *const u8).offset(2) }; //~NOTE -pub const UNDERFLOW_ADDRESS_SPACE: *const u8 = unsafe { (1 as *const u8).offset(-2) }; //~NOTE -pub const NEGATIVE_OFFSET: *const u8 = unsafe { [0u8; 1].as_ptr().wrapping_offset(-2).offset(-2) }; //~NOTE - -pub const ZERO_SIZED_ALLOC: *const u8 = unsafe { [0u8; 0].as_ptr().offset(1) }; //~NOTE -pub const DANGLING: *const u8 = unsafe { ptr::NonNull::<u8>::dangling().as_ptr().offset(4) }; //~NOTE - -// Right now, a zero offset from null is UB -pub const NULL_OFFSET_ZERO: *const u8 = unsafe { ptr::null::<u8>().offset(0) }; //~NOTE - -// Make sure that we don't panic when computing abs(offset*size_of::<T>()) -pub const UNDERFLOW_ABS: *const u8 = unsafe { (usize::MAX as *const u8).offset(isize::MIN) }; //~NOTE - -fn main() {} |