fix corner cases in parse & unused (#5000)

2021-06-12 17:10:01 +01:00
parent 70ceda5398
commit f8b2215145
5 changed files with 42 additions and 43 deletions
--- a/bin/uglifyjs
+++ b/bin/uglifyjs
@@ -344,9 +344,9 @@ function run() {
                    var list = annotations[node.start.file];
                    var pure = list[node.start.pos];
                    if (!pure) {
-                        var pos = node.start.parens;
-                        if (pos) for (var i = 0; !pure && i < pos.length; i++) {
-                            pure = list[pos[i]];
+                        var tokens = node.start.parens;
+                        if (tokens) for (var i = 0; !pure && i < tokens.length; i++) {
+                            pure = list[tokens[i].pos];
                        }
                    }
                    if (pure) node.pure = pure;