[ic] Remove unnecessary access rights checks from the IC handlers.

src/ic/s390/handler-compiler-s390.cc

Index: src/ic/s390/handler-compiler-s390.cc
diff --git a/src/ic/s390/handler-compiler-s390.cc b/src/ic/s390/handler-compiler-s390.cc
index 88cbc05cfd2c005e497add3eb479d9ec6a4c10c9..b35cfbd6018469a9777a4232d715f313a6beff3e 100644
--- a/src/ic/s390/handler-compiler-s390.cc
+++ b/src/ic/s390/handler-compiler-s390.cc
@@ -423,15 +423,6 @@ Register PropertyHandlerCompiler::CheckPrototypes(
   if (receiver_map->IsJSGlobalObjectMap()) {
     current = isolate()->global_object();
   }
-  // Check access rights to the global object.  This has to happen after
-  // the map check so that we know that the object is actually a global
-  // object.
-  // This allows us to install generated handlers for accesses to the
-  // global proxy (as opposed to using slow ICs). See corresponding code
-  // in LookupForRead().
-  if (receiver_map->IsJSGlobalProxyMap()) {
-    __ CheckAccessGlobalProxy(reg, scratch2, miss);
-  }
 
   Handle<JSObject> prototype = Handle<JSObject>::null();
   Handle<Map> current_map = receiver_map;
@@ -441,11 +432,6 @@ Register PropertyHandlerCompiler::CheckPrototypes(
   while (!current_map.is_identical_to(holder_map)) {
     ++depth;
 
-    // Only global objects and objects that do not require access
-    // checks are allowed in stubs.
-    DCHECK(current_map->IsJSGlobalProxyMap() ||
-           !current_map->is_access_check_needed());
-
     prototype = handle(JSObject::cast(current_map->prototype()));
     if (current_map->IsJSGlobalObjectMap()) {
       GenerateCheckPropertyCell(masm(), Handle<JSGlobalObject>::cast(current),