src/test/ui/parser/lex-bad-char-literals-3.stderr

error: character literal may only contain one codepoint
  --> $DIR/lex-bad-char-literals-3.rs:1:18
   |
LL | static c: char = '●●';
   |                  ^^^^
   |
help: if you meant to write a `str` literal, use double quotes
   |
LL | static c: char = "●●";
   |                  ^^^^

error: character literal may only contain one codepoint
  --> $DIR/lex-bad-char-literals-3.rs:5:20
   |
LL |     let ch: &str = '●●';
   |                    ^^^^
   |
help: if you meant to write a `str` literal, use double quotes
   |
LL |     let ch: &str = "●●";
   |                    ^^^^

error: aborting due to 2 previous errors