1 files changed, 2 insertions, 7 deletions
diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs
index 047e920e688..5c36c986490 100644
--- a/compiler/rustc_session/src/config.rs
+++ b/compiler/rustc_session/src/config.rs
@@ -168,9 +168,10 @@ pub struct CoverageOptions {
 }
 
 /// Controls whether branch coverage or MC/DC coverage is enabled.
-#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
+#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, Default)]
 pub enum CoverageLevel {
     /// Instrument for coverage at the MIR block level.
+    #[default]
     Block,
     /// Also instrument branch points (includes block coverage).
     Branch,
@@ -195,12 +196,6 @@ pub enum CoverageLevel {
     Mcdc,
 }
 
-impl Default for CoverageLevel {
-    fn default() -> Self {
-        Self::Block
-    }
-}
-
 /// Settings for `-Z instrument-xray` flag.
 #[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Hash)]
 pub struct InstrumentXRay {