1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/vm/EqualityOperations.cpp b/js/src/vm/EqualityOperations.cpp
index 6f90450b49..91a9ca06c7 100644
--- a/js/src/vm/EqualityOperations.cpp
+++ b/js/src/vm/EqualityOperations.cpp
@@ -31,6 +31,10 @@ EqualGivenSameType(JSContext* cx, JS::HandleValue lval, JS::HandleValue rval, bo
         *equal = (lval.toDouble() == rval.toDouble());
         return true;
     }
+    if (lval.isBigInt()) {
+        *equal = JS::BigInt::equal(lval.toBigInt(), rval.toBigInt());
+        return true;
+    }
     if (lval.isGCThing()) {  // objects or symbols
         *equal = (lval.toGCThing() == rval.toGCThing());
         return true;
@@ -134,6 +138,22 @@ js::LooselyEqual(JSContext* cx, JS::HandleValue lval, JS::HandleValue rval, bool
         return js::LooselyEqual(cx, lvalue, rval, result);
     }
 
+    if (lval.isBigInt()) {
+        RootedBigInt lbi(cx, lval.toBigInt());
+        bool tmpResult;
+        JS_TRY_VAR_OR_RETURN_FALSE(cx, tmpResult, BigInt::looselyEqual(cx, lbi, rval));
+        *result = tmpResult;
+        return true;
+    }
+
+    if (rval.isBigInt()) {
+        RootedBigInt rbi(cx, rval.toBigInt());
+        bool tmpResult;
+        JS_TRY_VAR_OR_RETURN_FALSE(cx, tmpResult, BigInt::looselyEqual(cx, rbi, lval));
+        *result = tmpResult;
+        return true;
+    }
+
     // Step 12.
     *result = false;
     return true;