From 17f0cc359f50bf6fe9673ef87e3839c2f3c4553e Mon Sep 17 00:00:00 2001
From: Anthony Van de Gejuchte <anthonyvdgent@gmail.com>
Date: Mon, 3 Apr 2017 11:21:27 +0200
Subject: [PATCH] Allow empty destructuring (#1773)

---
 lib/ast.js               | 2 --
 test/compress/harmony.js | 2 ++
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/ast.js b/lib/ast.js
index 54e3f2e6..96c64354 100644
--- a/lib/ast.js
+++ b/lib/ast.js
@@ -448,8 +448,6 @@ var AST_ArrowParametersOrSeq = DEFNODE("ArrowParametersOrSeq", "expressions", {
             } else if (ex instanceof AST_Hole) {
                 return ex;
             } else if (ex instanceof AST_Destructuring) {
-                if (ex.names.length == 0)
-                    croak("Invalid destructuring function parameter", ex.start.line, ex.start.col);
                 ex.names = ex.names.map(to_fun_args);
                 return insert_default(ex, default_seen_above);
             } else if (ex instanceof AST_SymbolRef) {
diff --git a/test/compress/harmony.js b/test/compress/harmony.js
index 0fecf548..eedb3377 100644
--- a/test/compress/harmony.js
+++ b/test/compress/harmony.js
@@ -314,11 +314,13 @@ default_assign: {
         function f(a, b = 3) {
             console.log(a);
         }
+        g = ([[] = 123]) => {};
     }
     expect: {
         function f(a) {
             console.log(a);
         }
+        g = ([[] = 123]) => {};
     }
 }