Add lint checks for unused loop labels

2018-05-14 23:32:21 -07:00
parent 952f344cdc
commit d67628e053
6 changed files with 154 additions and 2 deletions
--- a/src/librustc_lint/lib.rs
+++ b/src/librustc_lint/lib.rs
@@ -110,6 +110,7 @@ pub fn register_builtins(store: &mut lint::LintStore, sess: Option<&Session>) {

    add_early_builtin_with_new!(sess,
                                DeprecatedAttr,
+                                UnusedLoopLabel,
                                );

    add_builtin!(sess,
@@ -177,7 +178,8 @@ pub fn register_builtins(store: &mut lint::LintStore, sess: Option<&Session>) {
                    UNUSED_DOC_COMMENT,
                    UNUSED_EXTERN_CRATES,
                    UNUSED_FEATURES,
-                    UNUSED_PARENS);
+                    UNUSED_PARENS,
+                    UNUSED_LOOP_LABEL);

    add_lint_group!(sess,
                    "rust_2018_idioms",