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error: Undefined Behavior: reading memory at ALLOC[0xX..0xY], but memory is uninitialized at [0xX..0xY], and this operation requires initialized memory
--> tests/fail/intrinsics/ptr_metadata_uninit_thin.rs:LL:CC
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LL | RET = PtrMetadata(*p);
| ^^^^^^^^^^^^^^^^^^^^^ 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
= note: BACKTRACE:
= note: inside `deref_meta` at tests/fail/intrinsics/ptr_metadata_uninit_thin.rs:LL:CC
note: inside `main`
--> tests/fail/intrinsics/ptr_metadata_uninit_thin.rs:LL:CC
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LL | let _meta = deref_meta(p.as_ptr());
| ^^^^^^^^^^^^^^^^^^^^^^
Uninitialized memory occurred at ALLOC[0xX..0xY], in this allocation:
ALLOC DUMP
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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