28 lines
1.3 KiB
Plaintext
28 lines
1.3 KiB
Plaintext
error: Undefined Behavior: attempting a read access using <TAG> at ALLOC[0x0], but that tag does not exist in the borrow stack for this location
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--> $DIR/illegal_read3.rs:LL:CC
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LL | let _val = *xref2;
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| ^^^^^^
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| |
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| attempting a read access using <TAG> 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 an access at ALLOC[0x0..0x4]
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= help: this indicates a potential bug in the program: it performed an invalid operation, but the 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/illegal_read3.rs:LL:CC
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LL | let xref2 = &mut *xref1;
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| ^^^^^^^^^^^
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help: <TAG> was later invalidated at offsets [0x0..0x4]
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--> $DIR/illegal_read3.rs:LL:CC
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LL | let _val = unsafe { *xref1.to };
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| ^^^^^^^^^
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= note: inside `main` at $DIR/illegal_read3.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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