fix corner cases in join_vars (#3790)

fixes #3789 fixes #3791
2020-04-17 19:53:26 +01:00
parent 15a3ebd467
commit da68ec6e19
4 changed files with 140 additions and 9 deletions
--- a/test/compress/collapse_vars.js
+++ b/test/compress/collapse_vars.js
@@ -804,7 +804,7 @@ collapse_vars_assignment: {
        function log(x) { return console.log(x), x; }
        function f0(c) {
            var a = 3 / c;
-            return a;
+            return a = a;
        }
        function f1(c) {
            return 1 - 3 / c;