coverage: Add a synthetic test for when all spans are discarded

1 files changed, 5 insertions, 1 deletions

diff --git a/compiler/rustc_interface/src/tests.rs b/compiler/rustc_interface/src/tests.rs
index d103f7f45e2..9ad69039914 100644
--- a/compiler/rustc_interface/src/tests.rs
+++ b/compiler/rustc_interface/src/tests.rs
@@ -766,7 +766,11 @@ fn test_unstable_options_tracking_hash() {
         })
     );
     tracked!(codegen_backend, Some("abc".to_string()));
-    tracked!(coverage_options, CoverageOptions { level: CoverageLevel::Mcdc, no_mir_spans: true });
+    tracked!(coverage_options, CoverageOptions {
+        level: CoverageLevel::Mcdc,
+        no_mir_spans: true,
+        discard_all_spans_in_codegen: true
+    });
     tracked!(crate_attr, vec!["abc".to_string()]);
     tracked!(cross_crate_inline_threshold, InliningThreshold::Always);
     tracked!(debug_info_for_profiling, true);