Bless rebase fallout

Author: oli-obk

tests/compile-fail/provenance/ptr_invalid.stderr

@@ -0,0 +1,15 @@
+error: Undefined Behavior: dereferencing pointer failed: $HEX is not a valid pointer
+  --> $DIR/ptr_invalid.rs:LL:CC
+   |
+LL |     let _val = unsafe { *xptr_invalid };
+   |                         ^^^^^^^^^^^^^ dereferencing pointer failed: $HEX is not a valid pointer
+   |
+   = 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: inside `main` at $DIR/ptr_invalid.rs:LL:CC
+
+note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace
+
+error: aborting due to previous error
+