1 error: empty character literal
2 --> $DIR/lex-bad-char-literals-7.rs:3:20
7 error: empty unicode escape (must have at least 1 hex digit)
8 --> $DIR/lex-bad-char-literals-7.rs:5:20
10 LL | let _: char = '\u{}';
13 error: unterminated character literal
14 --> $DIR/lex-bad-char-literals-7.rs:12:13
16 LL | let _ = ' hello // here's a comment
19 error: aborting due to 3 previous errors