extract-fail0.stderr

thread 'rustc' panicked at 'assertion failed: `(left == right)`
  left: `i8`,
 right: `i16`: Return type `i16` must match vector element type `i8`', src/librustc_mir/interpret/intrinsics.rs:281:17
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace.

error: internal compiler error: unexpected panic

note: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports

note: rustc 1.39.0-dev running on x86_64-apple-darwin

note: compiler flags: -Z threads=1 -Z ui-testing -Z unstable-options -C prefer-dynamic -C rpath -C debuginfo=0