01 00 00 00 00 00 00 00 │ ........
}
-error: any use of this value will cause an error
+error[E0080]: evaluation of constant value failed
--> $DIR/ub-enum.rs:27:1
|
LL | const BAD_ENUM_PTR: Enum = unsafe { mem::transmute(&1) };
| ^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes
|
- = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
- = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
= help: this code performed an operation that depends on the underlying bytes representing a pointer
= help: the absolute address of a pointer is not known at compile-time, so such operations are not supported
- = note: `#[deny(const_err)]` on by default
-error: any use of this value will cause an error
- --> $DIR/ub-enum.rs:31:1
+error[E0080]: evaluation of constant value failed
+ --> $DIR/ub-enum.rs:30:1
|
LL | const BAD_ENUM_WRAPPED: Wrap<Enum> = unsafe { mem::transmute(&1) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes
|
- = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
- = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
= help: this code performed an operation that depends on the underlying bytes representing a pointer
= help: the absolute address of a pointer is not known at compile-time, so such operations are not supported
error[E0080]: it is undefined behavior to use this value
- --> $DIR/ub-enum.rs:44:1
+ --> $DIR/ub-enum.rs:42:1
|
LL | const BAD_ENUM2: Enum2 = unsafe { mem::transmute(0usize) };
| ^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value at .<enum-tag>: encountered 0x0000000000000000, but expected a valid enum tag
00 00 00 00 00 00 00 00 │ ........
}
-error: any use of this value will cause an error
- --> $DIR/ub-enum.rs:46:1
+error[E0080]: evaluation of constant value failed
+ --> $DIR/ub-enum.rs:44:1
|
LL | const BAD_ENUM2_PTR: Enum2 = unsafe { mem::transmute(&0) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes
|
- = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
- = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
= help: this code performed an operation that depends on the underlying bytes representing a pointer
= help: the absolute address of a pointer is not known at compile-time, so such operations are not supported
-error: any use of this value will cause an error
- --> $DIR/ub-enum.rs:50:1
+error[E0080]: evaluation of constant value failed
+ --> $DIR/ub-enum.rs:47:1
|
LL | const BAD_ENUM2_WRAPPED: Wrap<Enum2> = unsafe { mem::transmute(&0) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes
|
- = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
- = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
= help: this code performed an operation that depends on the underlying bytes representing a pointer
= help: the absolute address of a pointer is not known at compile-time, so such operations are not supported
error[E0080]: evaluation of constant value failed
- --> $DIR/ub-enum.rs:60:42
+ --> $DIR/ub-enum.rs:56:42
|
LL | const BAD_ENUM2_UNDEF : Enum2 = unsafe { MaybeUninit { uninit: () }.init };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ using uninitialized data, but this operation requires initialized memory
-error: any use of this value will cause an error
- --> $DIR/ub-enum.rs:65:1
+error[E0080]: evaluation of constant value failed
+ --> $DIR/ub-enum.rs:61:1
|
LL | const BAD_ENUM2_OPTION_PTR: Option<Enum2> = unsafe { mem::transmute(&0) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes
|
- = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
- = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
= help: this code performed an operation that depends on the underlying bytes representing a pointer
= help: the absolute address of a pointer is not known at compile-time, so such operations are not supported
error[E0080]: it is undefined behavior to use this value
- --> $DIR/ub-enum.rs:83:1
+ --> $DIR/ub-enum.rs:78:1
|
LL | const BAD_UNINHABITED_VARIANT1: UninhDiscriminant = unsafe { mem::transmute(1u8) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value at .<enum-variant(B)>.0: encountered a value of the never type `!`
}
error[E0080]: it is undefined behavior to use this value
- --> $DIR/ub-enum.rs:85:1
+ --> $DIR/ub-enum.rs:80:1
|
LL | const BAD_UNINHABITED_VARIANT2: UninhDiscriminant = unsafe { mem::transmute(3u8) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value at .<enum-variant(D)>.0: encountered a value of uninhabited type Never
}
error[E0080]: it is undefined behavior to use this value
- --> $DIR/ub-enum.rs:93:1
+ --> $DIR/ub-enum.rs:88:1
|
LL | const BAD_OPTION_CHAR: Option<(char, char)> = Some(('x', unsafe { mem::transmute(!0u32) }));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value at .<enum-variant(Some)>.0.1: encountered 0xffffffff, but expected a valid unicode scalar value (in `0..=0x10FFFF` but not in `0xD800..=0xDFFF`)
}
error[E0080]: evaluation of constant value failed
- --> $DIR/ub-enum.rs:98:77
+ --> $DIR/ub-enum.rs:93:77
|
LL | const BAD_UNINHABITED_WITH_DATA1: Result<(i32, Never), (i32, !)> = unsafe { mem::transmute(0u64) };
| ^^^^^^^^^^^^^^^^^^^^ transmuting to uninhabited type
error[E0080]: evaluation of constant value failed
- --> $DIR/ub-enum.rs:100:77
+ --> $DIR/ub-enum.rs:95:77
|
LL | const BAD_UNINHABITED_WITH_DATA2: Result<(i32, !), (i32, Never)> = unsafe { mem::transmute(0u64) };
| ^^^^^^^^^^^^^^^^^^^^ transmuting to uninhabited type
error: aborting due to 13 previous errors
For more information about this error, try `rustc --explain E0080`.
-Future incompatibility report: Future breakage diagnostic:
-error: any use of this value will cause an error
- --> $DIR/ub-enum.rs:27:1
- |
-LL | const BAD_ENUM_PTR: Enum = unsafe { mem::transmute(&1) };
- | ^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes
- |
- = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
- = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
- = help: this code performed an operation that depends on the underlying bytes representing a pointer
- = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported
- = note: `#[deny(const_err)]` on by default
-
-Future breakage diagnostic:
-error: any use of this value will cause an error
- --> $DIR/ub-enum.rs:31:1
- |
-LL | const BAD_ENUM_WRAPPED: Wrap<Enum> = unsafe { mem::transmute(&1) };
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes
- |
- = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
- = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
- = help: this code performed an operation that depends on the underlying bytes representing a pointer
- = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported
- = note: `#[deny(const_err)]` on by default
-
-Future breakage diagnostic:
-error: any use of this value will cause an error
- --> $DIR/ub-enum.rs:46:1
- |
-LL | const BAD_ENUM2_PTR: Enum2 = unsafe { mem::transmute(&0) };
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes
- |
- = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
- = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
- = help: this code performed an operation that depends on the underlying bytes representing a pointer
- = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported
- = note: `#[deny(const_err)]` on by default
-
-Future breakage diagnostic:
-error: any use of this value will cause an error
- --> $DIR/ub-enum.rs:50:1
- |
-LL | const BAD_ENUM2_WRAPPED: Wrap<Enum2> = unsafe { mem::transmute(&0) };
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes
- |
- = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
- = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
- = help: this code performed an operation that depends on the underlying bytes representing a pointer
- = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported
- = note: `#[deny(const_err)]` on by default
-
-Future breakage diagnostic:
-error: any use of this value will cause an error
- --> $DIR/ub-enum.rs:65:1
- |
-LL | const BAD_ENUM2_OPTION_PTR: Option<Enum2> = unsafe { mem::transmute(&0) };
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes
- |
- = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
- = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
- = help: this code performed an operation that depends on the underlying bytes representing a pointer
- = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported
- = note: `#[deny(const_err)]` on by default
-
projects / rust.git / blobdiff