--- a/js/src/jit/MIR.cpp
+++ b/js/src/jit/MIR.cpp
@@ -3213,16 +3213,19 @@ MClampToUint8::foldsTo(TempAllocator &al
         }
     }
     return this;
 }
 
 bool
 MCompare::tryFoldEqualOperands(bool *result)
 {
+    // Temporarily disabled due to bug 1130679.
+    return false;
+
     if (lhs() != rhs())
         return false;
 
     // Intuitively somebody would think that if lhs == rhs,
     // then we can just return true. (Or false for !==)
     // However NaN !== NaN is true! So we spend some time trying
     // to eliminate this case.