src/test/ui/parser/lex-bad-char-literals-5.stderr

error: character literal may only contain one codepoint
  --> $DIR/lex-bad-char-literals-5.rs:15:5
   |
LL |     '/x10/x10'  //~ ERROR: character literal may only contain one codepoint
   |     ^^^^^^^^^^
help: if you meant to write a `str` literal, use double quotes
   |
LL |     "/x10/x10"  //~ ERROR: character literal may only contain one codepoint
   |     ^^^^^^^^^^

error: aborting due to previous error