fix delete related issues in collapse_vars and reduce_vars (#1689)

2017-03-26 19:14:30 +08:00
parent 00996afd2c
commit 861a79ac9f
3 changed files with 46 additions and 28 deletions
--- a/test/compress/collapse_vars.js
+++ b/test/compress/collapse_vars.js
@@ -894,7 +894,8 @@ collapse_vars_unary: {
    }
    expect: {
        function f0(o, p) {
-            delete o[p];
+            var x = o[p];
+            delete x;
        }
        function f1(n) {
            return n > +!!n