From 698d724bd7d87f7c5a821df316f616bcca69e775 Mon Sep 17 00:00:00 2001
From: hongzhidao <hongzhidao@gmail.com>
Date: Mon, 18 Mar 2019 16:05:27 +0300
Subject: [PATCH] Fixed native frame arguments number.

---
 njs/njs_function.c       |  1 +
 njs/test/njs_unit_test.c | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/njs/njs_function.c b/njs/njs_function.c
index 09e4a9b3..afc8422f 100644
--- a/njs/njs_function.c
+++ b/njs/njs_function.c
@@ -310,6 +310,7 @@ njs_function_lambda_frame(njs_vm_t *vm, njs_function_t *function,
 
     } else {
         n = function->args_offset;
+        native_frame->nargs += n - 1;
 
         do {
             *value++ = *bound++;
diff --git a/njs/test/njs_unit_test.c b/njs/test/njs_unit_test.c
index 32012846..135bb709 100644
--- a/njs/test/njs_unit_test.c
+++ b/njs/test/njs_unit_test.c
@@ -6306,6 +6306,14 @@ static njs_unit_test_t  njs_test[] =
                  "var b = f.bind('1', '2', '3'); b.apply()"),
       nxt_string("123") },
 
+    { nxt_string("var obj = {prop:'abc'}; "
+                 "var func = function(x) { "
+                 "    return this === obj && x === 1 && arguments[0] === 1 "
+                 "           && arguments.length === 1 && this.prop === 'abc';"
+                 "};"
+                 "Function.prototype.bind.call(func, obj, 1)()"),
+      nxt_string("true") },
+
     { nxt_string("function F(a, b) { this.a = a + b }"
                  "var o = new F(1, 2);"
                  "o.a"),
@@ -6457,6 +6465,9 @@ static njs_unit_test_t  njs_test[] =
     { nxt_string("(function(){arguments.length = 1; return arguments.length;})(1,2,3)"),
       nxt_string("1") },
 
+     { nxt_string("(function(){return arguments[3];}).bind(null, 0)('a','b','c')"),
+       nxt_string("c") },
+
     { nxt_string("(function(){return arguments.callee;})()"),
       nxt_string("TypeError: \"caller\", \"callee\" properties may not be accessed") },
 
-- 
2.47.3