x.trim_end_matches("x");
// Make sure we escape characters correctly.
x.split("\n");
+ x.split("'");
+ x.split("\'");
let h = HashSet::<String>::new();
h.contains("X"); // should not warn
// Issue #3204
const S: &str = "#";
x.find(S);
+
+ // Raw string
+ x.split(r"a");
+ x.split(r#"a"#);
+ x.split(r###"a"###);
+ x.split(r###"'"###);
+ x.split(r###"#"###);
}