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-rw-r--r--compiler/rustc_mir_transform/src/ssa.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_mir_transform/src/ssa.rs b/compiler/rustc_mir_transform/src/ssa.rs
index 76591f52625..c1254766f0a 100644
--- a/compiler/rustc_mir_transform/src/ssa.rs
+++ b/compiler/rustc_mir_transform/src/ssa.rs
@@ -14,6 +14,7 @@ use rustc_middle::middle::resolve_bound_vars::Set1;
 use rustc_middle::mir::visit::*;
 use rustc_middle::mir::*;
 use rustc_middle::ty::{ParamEnv, TyCtxt};
+use tracing::{debug, instrument, trace};
 
 pub struct SsaLocals {
     /// Assignments to each local. This defines whether the local is SSA.