diff options
Diffstat (limited to 'tests/ui/consts/const-eval/ub-ref-ptr.stderr')
| -rw-r--r-- | tests/ui/consts/const-eval/ub-ref-ptr.stderr | 46 |
1 files changed, 27 insertions, 19 deletions
diff --git a/tests/ui/consts/const-eval/ub-ref-ptr.stderr b/tests/ui/consts/const-eval/ub-ref-ptr.stderr index d5ccc396b90..451ebb6eba1 100644 --- a/tests/ui/consts/const-eval/ub-ref-ptr.stderr +++ b/tests/ui/consts/const-eval/ub-ref-ptr.stderr @@ -1,5 +1,5 @@ error[E0080]: constructing invalid value: encountered an unaligned reference (required 2 byte alignment but found 1) - --> $DIR/ub-ref-ptr.rs:17:1 + --> $DIR/ub-ref-ptr.rs:18:1 | LL | const UNALIGNED: &u16 = unsafe { mem::transmute(&[0u8; 4]) }; | ^^^^^^^^^^^^^^^^^^^^^ it is undefined behavior to use this value @@ -10,7 +10,7 @@ LL | const UNALIGNED: &u16 = unsafe { mem::transmute(&[0u8; 4]) }; } error[E0080]: constructing invalid value: encountered an unaligned box (required 2 byte alignment but found 1) - --> $DIR/ub-ref-ptr.rs:20:1 + --> $DIR/ub-ref-ptr.rs:21:1 | LL | const UNALIGNED_BOX: Box<u16> = unsafe { mem::transmute(&[0u8; 4]) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ it is undefined behavior to use this value @@ -21,7 +21,7 @@ LL | const UNALIGNED_BOX: Box<u16> = unsafe { mem::transmute(&[0u8; 4]) }; } error[E0080]: constructing invalid value: encountered a null reference - --> $DIR/ub-ref-ptr.rs:23:1 + --> $DIR/ub-ref-ptr.rs:24:1 | LL | const NULL: &u16 = unsafe { mem::transmute(0usize) }; | ^^^^^^^^^^^^^^^^ it is undefined behavior to use this value @@ -32,7 +32,7 @@ LL | const NULL: &u16 = unsafe { mem::transmute(0usize) }; } error[E0080]: constructing invalid value: encountered a null box - --> $DIR/ub-ref-ptr.rs:26:1 + --> $DIR/ub-ref-ptr.rs:27:1 | LL | const NULL_BOX: Box<u16> = unsafe { mem::transmute(0usize) }; | ^^^^^^^^^^^^^^^^^^^^^^^^ it is undefined behavior to use this value @@ -43,7 +43,7 @@ LL | const NULL_BOX: Box<u16> = unsafe { mem::transmute(0usize) }; } error[E0080]: unable to turn pointer into integer - --> $DIR/ub-ref-ptr.rs:33:1 + --> $DIR/ub-ref-ptr.rs:34:1 | LL | const REF_AS_USIZE: usize = unsafe { mem::transmute(&0) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^ evaluation of `REF_AS_USIZE` failed here @@ -52,7 +52,7 @@ LL | const REF_AS_USIZE: usize = unsafe { mem::transmute(&0) }; = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported error[E0080]: unable to turn pointer into integer - --> $DIR/ub-ref-ptr.rs:36:39 + --> $DIR/ub-ref-ptr.rs:37:39 | LL | const REF_AS_USIZE_SLICE: &[usize] = &[unsafe { mem::transmute(&0) }]; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ evaluation of `REF_AS_USIZE_SLICE` failed here @@ -61,13 +61,13 @@ LL | const REF_AS_USIZE_SLICE: &[usize] = &[unsafe { mem::transmute(&0) }]; = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported note: erroneous constant encountered - --> $DIR/ub-ref-ptr.rs:36:38 + --> $DIR/ub-ref-ptr.rs:37:38 | LL | const REF_AS_USIZE_SLICE: &[usize] = &[unsafe { mem::transmute(&0) }]; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0080]: unable to turn pointer into integer - --> $DIR/ub-ref-ptr.rs:39:86 + --> $DIR/ub-ref-ptr.rs:40:86 | LL | const REF_AS_USIZE_BOX_SLICE: Box<[usize]> = unsafe { mem::transmute::<&[usize], _>(&[mem::transmute(&0)]) }; | ^^^^^^^^^^^^^^^^^^^^ evaluation of `REF_AS_USIZE_BOX_SLICE` failed here @@ -76,13 +76,13 @@ LL | const REF_AS_USIZE_BOX_SLICE: Box<[usize]> = unsafe { mem::transmute::<&[us = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported note: erroneous constant encountered - --> $DIR/ub-ref-ptr.rs:39:85 + --> $DIR/ub-ref-ptr.rs:40:85 | LL | const REF_AS_USIZE_BOX_SLICE: Box<[usize]> = unsafe { mem::transmute::<&[usize], _>(&[mem::transmute(&0)]) }; | ^^^^^^^^^^^^^^^^^^^^^ error[E0080]: constructing invalid value: encountered a dangling reference (0x539[noalloc] has no provenance) - --> $DIR/ub-ref-ptr.rs:42:1 + --> $DIR/ub-ref-ptr.rs:43:1 | LL | const USIZE_AS_REF: &'static u8 = unsafe { mem::transmute(1337usize) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ it is undefined behavior to use this value @@ -93,7 +93,7 @@ LL | const USIZE_AS_REF: &'static u8 = unsafe { mem::transmute(1337usize) }; } error[E0080]: constructing invalid value: encountered a dangling box (0x539[noalloc] has no provenance) - --> $DIR/ub-ref-ptr.rs:45:1 + --> $DIR/ub-ref-ptr.rs:46:1 | LL | const USIZE_AS_BOX: Box<u8> = unsafe { mem::transmute(1337usize) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ it is undefined behavior to use this value @@ -103,14 +103,18 @@ LL | const USIZE_AS_BOX: Box<u8> = unsafe { mem::transmute(1337usize) }; HEX_DUMP } -error[E0080]: using uninitialized data, but this operation requires initialized memory - --> $DIR/ub-ref-ptr.rs:48:41 +error[E0080]: reading memory at ALLOC3[0x%..0x%], but memory is uninitialized at [0x%..0x%], and this operation requires initialized memory + --> $DIR/ub-ref-ptr.rs:49:41 | LL | const UNINIT_PTR: *const i32 = unsafe { MaybeUninit { uninit: () }.init }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ evaluation of `UNINIT_PTR` failed here + | + = note: the raw bytes of the constant (size: $SIZE, align: $ALIGN) { + HEX_DUMP + } error[E0080]: constructing invalid value: encountered null pointer, but expected a function pointer - --> $DIR/ub-ref-ptr.rs:51:1 + --> $DIR/ub-ref-ptr.rs:52:1 | LL | const NULL_FN_PTR: fn() = unsafe { mem::transmute(0usize) }; | ^^^^^^^^^^^^^^^^^^^^^^^ it is undefined behavior to use this value @@ -120,14 +124,18 @@ LL | const NULL_FN_PTR: fn() = unsafe { mem::transmute(0usize) }; HEX_DUMP } -error[E0080]: using uninitialized data, but this operation requires initialized memory - --> $DIR/ub-ref-ptr.rs:53:38 +error[E0080]: reading memory at ALLOC4[0x%..0x%], but memory is uninitialized at [0x%..0x%], and this operation requires initialized memory + --> $DIR/ub-ref-ptr.rs:54:38 | LL | const UNINIT_FN_PTR: fn() = unsafe { MaybeUninit { uninit: () }.init }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ evaluation of `UNINIT_FN_PTR` failed here + | + = note: the raw bytes of the constant (size: $SIZE, align: $ALIGN) { + HEX_DUMP + } error[E0080]: constructing invalid value: encountered 0xd[noalloc], but expected a function pointer - --> $DIR/ub-ref-ptr.rs:55:1 + --> $DIR/ub-ref-ptr.rs:56:1 | LL | const DANGLING_FN_PTR: fn() = unsafe { mem::transmute(13usize) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ it is undefined behavior to use this value @@ -138,7 +146,7 @@ LL | const DANGLING_FN_PTR: fn() = unsafe { mem::transmute(13usize) }; } error[E0080]: constructing invalid value: encountered ALLOC2<imm>, but expected a function pointer - --> $DIR/ub-ref-ptr.rs:57:1 + --> $DIR/ub-ref-ptr.rs:58:1 | LL | const DATA_FN_PTR: fn() = unsafe { mem::transmute(&13) }; | ^^^^^^^^^^^^^^^^^^^^^^^ it is undefined behavior to use this value @@ -149,7 +157,7 @@ LL | const DATA_FN_PTR: fn() = unsafe { mem::transmute(&13) }; } error[E0080]: accessing memory based on pointer with alignment 1, but alignment 4 is required - --> $DIR/ub-ref-ptr.rs:64:5 + --> $DIR/ub-ref-ptr.rs:65:5 | LL | ptr.read(); | ^^^^^^^^^^ evaluation of `UNALIGNED_READ` failed here |