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-rw-r--r--compiler/rustc_mir_dataflow/src/framework/engine.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_mir_dataflow/src/framework/engine.rs b/compiler/rustc_mir_dataflow/src/framework/engine.rs
index 44a7dcc8277..ea9cf6565e7 100644
--- a/compiler/rustc_mir_dataflow/src/framework/engine.rs
+++ b/compiler/rustc_mir_dataflow/src/framework/engine.rs
@@ -13,6 +13,7 @@ use rustc_data_structures::work_queue::WorkQueue;
 use rustc_graphviz as dot;
 use rustc_hir::def_id::DefId;
 use rustc_index::{Idx, IndexVec};
+use rustc_middle::bug;
 use rustc_middle::mir::{self, traversal, BasicBlock};
 use rustc_middle::mir::{create_dump_file, dump_enabled};
 use rustc_middle::ty::print::with_no_trimmed_paths;