PPC: Fix "[proxies] fix access issue when having proxies on the prototype-chain of global objects."

src/ppc/code-stubs-ppc.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_PPC
 
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 1451 matching lines @@
   Register const null = scratch;
   Register const result = r3;
 
   Label done, loop, fast_runtime_fallback;
   __ LoadRoot(result, Heap::kTrueValueRootIndex);
   __ LoadRoot(null, Heap::kNullValueRootIndex);
   __ bind(&loop);
 
   // Check if the object needs to be access checked.
   __ lbz(map_bit_field, FieldMemOperand(object_map, Map::kBitFieldOffset));
-  __ TestBit(map_bit_field, Map::kIsCallable, r0);
+  __ TestBit(map_bit_field, Map::kIsAccessCheckNeeded, r0);
   __ bne(&fast_runtime_fallback, cr0);
   // Check if the current object is a Proxy.
   __ CompareInstanceType(object_map, object_instance_type, JS_PROXY_TYPE);
   __ beq(&fast_runtime_fallback);
 
   __ LoadP(object, FieldMemOperand(object_map, Map::kPrototypeOffset));
   __ cmp(object, function_prototype);
   __ beq(&done);
   __ cmp(object, null);
   __ LoadP(object_map, FieldMemOperand(object, HeapObject::kMapOffset));
@@ skipping 4164 matching lines @@
                            kStackUnwindSpace, NULL,
                            MemOperand(fp, 6 * kPointerSize), NULL);
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC