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-rw-r--r--src/librustc_mir/transform/inline.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/librustc_mir/transform/inline.rs b/src/librustc_mir/transform/inline.rs
index 4b4bd442301..80a9c06f11b 100644
--- a/src/librustc_mir/transform/inline.rs
+++ b/src/librustc_mir/transform/inline.rs
@@ -48,7 +48,7 @@ impl<'tcx> MirMapPass<'tcx> for Inline {
         tcx: TyCtxt<'a, 'tcx, 'tcx>,
         hooks: &mut [Box<for<'s> MirPassHook<'s>>]) {
 
-        //if tcx.sess.opts.debugging_opts.mir_opt_level < 2 { return; }
+        if tcx.sess.opts.debugging_opts.mir_opt_level < 2 { return; }
 
         let _ignore = tcx.dep_graph.in_ignore();