1 files changed, 10 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/rules/MakeVariableProvider.java b/src/main/java/com/google/devtools/build/lib/rules/MakeVariableProvider.java
index be35e55174..2b700f5c09 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/MakeVariableProvider.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/MakeVariableProvider.java
@@ -46,4 +46,14 @@ public final class MakeVariableProvider extends SkylarkClassObject {
   public ImmutableMap<String, String> getMakeVariables() {
     return makeVariables;
   }
+
+  @Override
+  public boolean equals(Object other) {
+    return other == this;
+  }
+
+  @Override
+  public int hashCode() {
+    return System.identityHashCode(this);
+  }
 }