[ic] Resurrect access checks for primitive and global proxy receivers.

src/ic/handler-compiler.h

Index: src/ic/handler-compiler.h
diff --git a/src/ic/handler-compiler.h b/src/ic/handler-compiler.h
index 1023fafdec8e27d05f27965732a6d4c5dbd178b2..b844ce025866611041a060e2014fbc6eaf9227c2 100644
--- a/src/ic/handler-compiler.h
+++ b/src/ic/handler-compiler.h
@@ -83,6 +83,18 @@ class PropertyHandlerCompiler : public PropertyAccessCompiler {
                                         Handle<Name> name, Register scratch,
                                         Label* miss);
 
+  // Generates check that current native context has the same access rights
+  // than given |native_context_cell|.

[Jakob Kummerow, 2016/11/08 10:56:53]

nit: s/than/as the/

[Igor Sheludko, 2016/11/08 12:07:55]

Done.

+  // If |compare_native_contexts_only| is true then access check is considered
+  // passed if the execution-time native context is equal to contents of
+  // |native_context_cell|.
+  // If |compare_native_contexts_only| is false then access check is considered
+  // passed if the execution-time native context is equal to contents of
+  // |native_context_cell| or security tokens of both contexts are equal.
+  void GenerateAccessCheck(Handle<WeakCell> native_context_cell,
+                           Register scratch1, Register scratch2, Label* miss,
+                           bool compare_native_contexts_only);
+
   // Generates code that verifies that the property holder has not changed
   // (checking maps of objects in the prototype chain for fast and global
   // objects or doing negative lookup for slow objects, ensures that the