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-rw-r--r--compiler/rustc_lint/src/levels.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_lint/src/levels.rs b/compiler/rustc_lint/src/levels.rs
index 5bb2942ad4b..12b3d1d2f9e 100644
--- a/compiler/rustc_lint/src/levels.rs
+++ b/compiler/rustc_lint/src/levels.rs
@@ -22,6 +22,7 @@ use rustc_hir as hir;
 use rustc_hir::intravisit::{self, Visitor};
 use rustc_hir::HirId;
 use rustc_index::IndexVec;
+use rustc_middle::bug;
 use rustc_middle::hir::nested_filter;
 use rustc_middle::lint::{
     lint_level, reveal_actual_level, LevelAndSource, LintExpectation, LintLevelSource,