29 lines
1.4 KiB
Plaintext
29 lines
1.4 KiB
Plaintext
error: Undefined Behavior: trying to reborrow <TAG> for SharedReadWrite permission at ALLOC[0x0], but that tag does not exist in the borrow stack for this location
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--> $DIR/interior_mut1.rs:LL:CC
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LL | let _val = *inner_shr.get();
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| ^^^^^^^^^^^^^^^
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| trying to reborrow <TAG> for SharedReadWrite permission at ALLOC[0x0], but that tag does not exist in the borrow stack for this location
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| this error occurs as part of a reborrow at ALLOC[0x0..0x4]
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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 retag at offsets [0x0..0x4]
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--> $DIR/interior_mut1.rs:LL:CC
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LL | let inner_shr = &*inner_uniq; // adds a SharedReadWrite
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| ^^^^^^^^^^^^
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help: <TAG> was later invalidated at offsets [0x0..0x4]
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--> $DIR/interior_mut1.rs:LL:CC
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LL | *c.get() = UnsafeCell::new(1); // invalidates inner_shr
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: backtrace:
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= note: inside `main` at $DIR/interior_mut1.rs:LL:CC
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note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace
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error: aborting due to previous error
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