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error: Undefined Behavior: memory access failed: ALLOC has been freed, so this pointer is dangling
--> tests/fail/data_race/dealloc_write_race2.rs:LL:CC
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LL | *ptr.0 = 2;
| ^^^^^^^^^^ Undefined Behavior occurred here
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= help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior
= help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information
help: ALLOC was allocated here:
--> tests/fail/data_race/dealloc_write_race2.rs:LL:CC
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LL | let pointer: *mut usize = Box::into_raw(Box::new(0usize));
| ^^^^^^^^^^^^^^^^
help: ALLOC was deallocated here:
--> tests/fail/data_race/dealloc_write_race2.rs:LL:CC
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LL | / __rust_dealloc(
LL | | ptr.0 as *mut _,
LL | | std::mem::size_of::<usize>(),
LL | | std::mem::align_of::<usize>(),
LL | | );
| |_____________^
= note: BACKTRACE (of the first span) on thread `unnamed-ID`:
= note: inside closure at tests/fail/data_race/dealloc_write_race2.rs:LL:CC
note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace
error: aborting due to 1 previous error
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