rust/tests/fail/dyn-upcast-trait-mismatch.stderr

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2022-07-20 18:51:19 -05:00
error: Undefined Behavior: upcast on a pointer whose vtable does not match its type
--> $DIR/dyn-upcast-trait-mismatch.rs:LL:CC
|
LL | let baz_fake: &dyn Bar = unsafe { std::mem::transmute(baz) };
| ^^^^^^^^^^^^^^^^^^^^^^^^ upcast on a pointer whose vtable does not match its type
|
= 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 `main` at $DIR/dyn-upcast-trait-mismatch.rs:LL:CC
note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace
error: aborting due to previous error