fix corner cases with asynchronous generators (#4642)

fixes #4641
2021-02-10 15:41:00 +00:00
parent f5659f292b
commit 083679bcad
4 changed files with 74 additions and 2 deletions
--- a/test/compress/collapse_vars.js
+++ b/test/compress/collapse_vars.js
@@ -5879,6 +5879,7 @@ collapse_rhs_this: {
 collapse_rhs_undefined: {
    options = {
        collapse_vars: true,
+        side_effects: true,
    }
    input: {
        var a, b;