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error: Undefined Behavior: attempting a write access using <TAG> at ALLOC[0x0], but that tag does not exist in the borrow stack for this location
--> $DIR/raw_tracking.rs:LL:CC
|
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LL | *raw1 = 13;
| ^^^^^^^^^^
| |
| attempting a write access using <TAG> at ALLOC[0x0], but that tag does not exist in the borrow stack for this location
| this error occurs as part of an access at ALLOC[0x0..0x4]
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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
help: <TAG> was created by a retag at offsets [0x0..0x4]
--> $DIR/raw_tracking.rs:LL:CC
|
LL | let raw1 = &mut l as *mut _;
| ^^^^^^
help: <TAG> was later invalidated at offsets [0x0..0x4]
--> $DIR/raw_tracking.rs:LL:CC
|
LL | let raw2 = &mut l as *mut _; // invalidates raw1
| ^^^^^^
= note: inside `main` at $DIR/raw_tracking.rs:LL:CC
note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace
error: aborting due to previous error
