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error: Undefined Behavior: not granting access to tag <TAG> because that would remove [SharedReadOnly for <TAG>] which is protected because it is an argument of call ID
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--> $DIR/aliasing_mut4.rs:LL:CC
|
LL | pub fn safe(_x: &i32, _y: &mut Cell<i32>) {}
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| ^^ not granting access to tag <TAG> because that would remove [SharedReadOnly for <TAG>] which is protected because it is an argument of call ID
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|
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= help: this indicates a potential bug in the program: it performed an invalid operation, but the Stacked Borrows rules it violated are still experimental
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= help: see https://github.com/rust-lang/unsafe-code-guidelines/blob/master/wip/stacked-borrows.md for further information
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help: <TAG> was created by a Unique retag at offsets [0x0..0x4]
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--> $DIR/aliasing_mut4.rs:LL:CC
|
LL | let xref = &mut x;
| ^^^^^^
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help: <TAG> is this argument
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--> $DIR/aliasing_mut4.rs:LL:CC
|
LL | pub fn safe(_x: &i32, _y: &mut Cell<i32>) {}
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| ^^
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= note: BACKTRACE:
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= note: inside `safe` at $DIR/aliasing_mut4.rs:LL:CC
note: inside `main` at $DIR/aliasing_mut4.rs:LL:CC
--> $DIR/aliasing_mut4.rs:LL:CC
|
LL | safe_raw(xshr, xraw as *mut _);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace
error: aborting due to previous error