1 files changed, 4 insertions, 0 deletions
diff --git a/lib/compress.js b/lib/compress.js
index e4f75899..c34c7630 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -399,6 +399,10 @@ merge(Compressor.prototype, {
                     }
                 });
             };
+            if (compressor.option("ie8")) scope.variables.each(function(def) {
+                var d = def.orig[0].definition();
+                if (d !== def) d.fixed = false;
+            });
         }
 
         function mark_defun(tw, def) {