src/test/ui/parser/underscore-suffix-for-string.stderr

   1 warning: underscore literal suffix is not allowed
   2   --> $DIR/underscore-suffix-for-string.rs:4:18
   3    |
   4 LL |     let _ = "Foo"_;
   5    |                  ^
   6    |
   7    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
   8    = note: see issue #42326 <https://github.com/rust-lang/rust/issues/42326> for more information
   9
  10 warning: 1 warning emitted
  11