Bless a miri test

Author: scottmcm

src/tools/miri/tests/fail/tree-borrows/fragile-data-race.stderr

@@ -20,8 +20,8 @@ LL | pub fn catch_unwind<F: FnOnce() -> R + UnwindSafe, R>(f: F) -> Result<R> {
 help: the conflicting tag <TAG> then transitioned from Reserved to Frozen due to a foreign read access at offsets [0x0..0x1]
   --> RUSTLIB/core/src/ptr/mod.rs:LL:CC
    |
-LL |         crate::intrinsics::read_via_copy(src)
-   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL |         intrinsics::read_via_copy(src)
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    = help: this corresponds to a loss of write permissions
    = note: BACKTRACE (of the first span):
    = note: inside `main` at $DIR/fragile-data-race.rs:LL:CC