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

src/ppc/code-stubs-ppc.cc

Index: src/ppc/code-stubs-ppc.cc
diff --git a/src/ppc/code-stubs-ppc.cc b/src/ppc/code-stubs-ppc.cc
index 5d31e0fb04e5c40f1fba957cfe45ff4ca5cb6319..78820fbcc5f5ac65c99a6ca2f9b17ac0a66f37c6 100644
--- a/src/ppc/code-stubs-ppc.cc
+++ b/src/ppc/code-stubs-ppc.cc
@@ -1469,7 +1469,7 @@ void InstanceOfStub::Generate(MacroAssembler* masm) {
 
   // 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);