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-rw-r--r--compiler/rustc_middle/src/mir/syntax.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/compiler/rustc_middle/src/mir/syntax.rs b/compiler/rustc_middle/src/mir/syntax.rs
index 2da25f480c6..9cec8d832dd 100644
--- a/compiler/rustc_middle/src/mir/syntax.rs
+++ b/compiler/rustc_middle/src/mir/syntax.rs
@@ -1591,6 +1591,9 @@ pub enum NullOp<'tcx> {
     /// Returns whether we should perform some UB-checking at runtime.
     /// See the `ub_checks` intrinsic docs for details.
     UbChecks,
+    /// Returns whether we should perform contract-checking at runtime.
+    /// See the `contract_checks` intrinsic docs for details.
+    ContractChecks,
 }
 
 #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]