make collapse_vars consistent with toplevel (#1608)

fixes #1605
2017-03-16 13:22:26 +08:00
parent a80b228d8b
commit 5ae04b3545
5 changed files with 52 additions and 3 deletions
--- a/test/compress/issue-973.js
+++ b/test/compress/issue-973.js
@@ -50,6 +50,7 @@ this_binding_conditionals: {
 this_binding_collapse_vars: {
    options = {
        collapse_vars: true,
+        toplevel: true,
    };
    input: {
        var c = a; c();