fix corner case in functions (#4824)

fixes #4823
2021-03-25 00:49:01 +00:00
parent 03c5ecb2e3
commit 39df3a1680
2 changed files with 31 additions and 0 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -6226,6 +6226,7 @@ merge(Compressor.prototype, {
                            && var_defs[sym.id] == 1
                            && sym.assignments == 0
                            && value instanceof AST_LambdaExpression
+                            && !is_arguments(sym)
                            && !is_arrow(value)
                            && assigned_once(value, sym.references)
                            && can_declare_defun(value)