2 files changed, 26 insertions, 0 deletions
diff --git a/test/compress/destructured.js b/test/compress/destructured.js
index 81beb7f7..1c448f2a 100644
--- a/test/compress/destructured.js
+++ b/test/compress/destructured.js
@@ -1886,3 +1886,23 @@ issue_4386: {
     expect_stdout: "PASS"
     node_version: ">=6"
 }
+
+issue_4395: {
+    options = {
+        arguments: true,
+    }
+    input: {
+        console.log(function(a, {}) {
+            a = "FAIL";
+            return arguments[0];
+        }("PASS", 42));
+    }
+    expect: {
+        console.log(function(a, {}) {
+            a = "FAIL";
+            return arguments[0];
+        }("PASS", 42));
+    }
+    expect_stdout: "PASS"
+    node_version: ">=6"
+}
diff --git a/test/reduce.js b/test/reduce.js
index db4b7521..1ab18411 100644
--- a/test/reduce.js
+++ b/test/reduce.js
@@ -175,6 +175,12 @@ module.exports = function reduce_test(testcase, minify_options, reduce_options)
                     CHANGED = true;
                     return expr instanceof U.AST_Spread ? expr.expression : expr;
                 }
+                if (node.expression instanceof U.AST_Arrow && node.expression.value) {
+                    var seq = node.args.slice();
+                    seq.push(node.expression.value);
+                    CHANGED = true;
+                    return to_sequence(seq);
+                }
                 if (node.expression instanceof U.AST_Function) {
                     // hoist and return expressions from the IIFE function expression
                     var body = node.expression.body;