fix corner case in merge_vars (#5452)

fixes #5451
2022-05-17 19:41:05 +01:00
parent cb6dd34b98
commit 63f16e4616
4 changed files with 33 additions and 8 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -6183,8 +6183,11 @@ Compressor.prototype.compress = function(node) {
                return true;
            }
            if (node instanceof AST_Scope) {
-                var parent = tw.parent();
-                var in_iife = parent && parent.TYPE == "Call" && parent.expression === node;
+                var in_iife = false;
+                if (node instanceof AST_LambdaExpression && !node.name) {
+                    var parent = tw.parent();
+                    in_iife = parent && parent.TYPE == "Call" && parent.expression === node;
+                }
                if (!in_iife) {
                    push();
                    segment.block = node;