Only send null or undefined as receiver for es5 natives, not generally

src/objects.h

Index: src/objects.h
===================================================================
--- src/objects.h	(revision 7878)
+++ src/objects.h	(working copy)
@@ -4349,6 +4349,13 @@
   inline bool strict_mode();
   inline void set_strict_mode(bool value);
 
+  // Indicates whether the function is a native ES5 function.
+  // These needs special threatment in .call and .apply since
+  // null passed as the receiver should not be translated to the
+  // global object.
+  inline bool es5_native();
+  inline void set_es5_native(bool value);
+
   // Indicates whether or not the code in the shared function support
   // deoptimization.
   inline bool has_deoptimization_support();
@@ -4529,6 +4536,7 @@
   static const int kCodeAgeMask = 0x7;
   static const int kOptimizationDisabled = 6;
   static const int kStrictModeFunction = 7;
+  static const int kES5Native = 8;
 
  private:
 #if V8_HOST_ARCH_32_BIT
@@ -4542,18 +4550,27 @@
 #endif
 
  public:
-  // Constants for optimizing codegen for strict mode function tests.
+  // Constants for optimizing codegen for strict mode function and
+  // es5 native tests.
   // Allows to use byte-widgh instructions.
   static const int kStrictModeBitWithinByte =
       (kStrictModeFunction + kCompilerHintsSmiTagSize) % kBitsPerByte;
 
+  static const int kES5NativeBitWithinByte =
+      (kES5Native + kCompilerHintsSmiTagSize) % kBitsPerByte;
+
 #if __BYTE_ORDER == __LITTLE_ENDIAN
   static const int kStrictModeByteOffset = kCompilerHintsOffset +
-    (kStrictModeFunction + kCompilerHintsSmiTagSize) / kBitsPerByte;
+      (kStrictModeFunction + kCompilerHintsSmiTagSize) / kBitsPerByte;
+  static const int kES5NativeByteOffset = kCompilerHintsOffset +
+      (kES5Native + kCompilerHintsSmiTagSize) / kBitsPerByte;
 #elif __BYTE_ORDER == __BIG_ENDIAN
   static const int kStrictModeByteOffset = kCompilerHintsOffset +
-    (kCompilerHintsSize - 1) -
-    ((kStrictModeFunction + kCompilerHintsSmiTagSize) / kBitsPerByte);
+      (kCompilerHintsSize - 1) -
+      ((kStrictModeFunction + kCompilerHintsSmiTagSize) / kBitsPerByte);
+  static const int kES5NativeByteOffset = kCompilerHintsOffset +
+      (kCompilerHintsSize - 1) -
+      ((kES5Native + kCompilerHintsSmiTagSize) / kBitsPerByte);
 #else
 #error Unknown byte ordering
 #endif