Rename `debugging_opts` to `unstable_opts`

This is no longer used only for debugging options (e.g. `-Zoutput-width`, `-Zallow-features`).
Rename it to be more clear.

1 files changed, 2 insertions, 2 deletions

diff --git a/compiler/rustc_mir_transform/src/coverage/mod.rs b/compiler/rustc_mir_transform/src/coverage/mod.rs
index 88ad5b7ef14..2619626a567 100644
--- a/compiler/rustc_mir_transform/src/coverage/mod.rs
+++ b/compiler/rustc_mir_transform/src/coverage/mod.rs
@@ -160,8 +160,8 @@ impl<'a, 'tcx> Instrumentor<'a, 'tcx> {
         let mut debug_used_expressions = debug::UsedExpressions::new();
 
         let dump_mir = dump_enabled(tcx, self.pass_name, def_id);
-        let dump_graphviz = dump_mir && tcx.sess.opts.debugging_opts.dump_mir_graphviz;
-        let dump_spanview = dump_mir && tcx.sess.opts.debugging_opts.dump_mir_spanview.is_some();
+        let dump_graphviz = dump_mir && tcx.sess.opts.unstable_opts.dump_mir_graphviz;
+        let dump_spanview = dump_mir && tcx.sess.opts.unstable_opts.dump_mir_spanview.is_some();
 
         if dump_graphviz {
             graphviz_data.enable();