bless miri test

Author: joboet

src/tools/miri/tests/fail/alloc/global_system_mixup.stderr

@@ -1,13 +1,13 @@
 error: Undefined Behavior: deallocating ALLOC, which is Rust heap memory, using PLATFORM heap deallocation operation
-  --> RUSTLIB/std/src/sys/pal/PLATFORM/alloc.rs:LL:CC
+  --> RUSTLIB/std/src/sys/alloc/unix.rs:LL:CC
    |
-LL |         FREE();
+LL |         unsafe { FREE(); }
    | ^ deallocating ALLOC, which is Rust heap memory, using PLATFORM heap deallocation operation
    |
    = 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 `std::sys::pal::PLATFORM::alloc::<impl std::alloc::GlobalAlloc for std::alloc::System>::dealloc` at RUSTLIB/std/src/sys/pal/PLATFORM/alloc.rs:LL:CC
+   = note: inside `std::sys::alloc::unix::<impl std::alloc::GlobalAlloc for std::alloc::System>::dealloc` at RUSTLIB/std/src/sys/alloc/unix.rs:LL:CC
    = note: inside `<std::alloc::System as std::alloc::Allocator>::deallocate` at RUSTLIB/std/src/alloc.rs:LL:CC
 note: inside `main`
   --> $DIR/global_system_mixup.rs:LL:CC