1 files changed, 3 insertions, 0 deletions
diff --git a/lib/compress.js b/lib/compress.js
index cfe37d0b..f3fc5e0e 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -5074,6 +5074,9 @@ merge(Compressor.prototype, {
                 && right.properties.length > 0
                 && all(right.properties, function(prop) {
                     return prop instanceof AST_ObjectKeyVal;
+                })
+                && all(def.references, function(ref) {
+                    return ref.fixed_value() === right;
                 });
         }
     });