tests/ui/slice_unsupported.stderr - platform/external/rust/cxx - Git at Google

 error: unsupported &mut [T] element type: opaque C++ type is not supported yet
  --> $DIR/slice_unsupported.rs:6:17
   |
 6 |         fn f(_: &mut [Opaque]);
   |                 ^^^^^^^^^^^^^
	error: unsupported &mut [T] element type: opaque C++ type is not supported yet
	--> $DIR/slice_unsupported.rs:6:17
	\|
	6 \| fn f(_: &mut [Opaque]);
	\| ^^^^^^^^^^^^^