Contribution of PowerPC port.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 307bcbf13cdc539eaf041e835fa97910e0caa34c..4ca0e077038b473299dd72f1187da9d94005e3f2 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -752,6 +752,10 @@ bool JSObject::IsDirty() {
 }
 
 
+#if defined(__GNUC__) && (__GNUC__ == 4) && (__GNUC_MINOR__ <= 4)
+// Work around bad optimization by GCC 4.4.6 on PPC Linux
+#pragma GCC optimize "O0"
+#endif
 MaybeHandle<Object> Object::GetElementWithReceiver(Isolate* isolate,
                                                    Handle<Object> object,
                                                    Handle<Object> receiver,
@@ -806,6 +810,9 @@ MaybeHandle<Object> Object::GetElementWithReceiver(Isolate* isolate,
 
   return isolate->factory()->undefined_value();
 }
+#if defined(__GNUC__) && (__GNUC__ == 4) && (__GNUC_MINOR__ <= 4)
+#pragma GCC reset_options
+#endif
 
 
 Map* Object::GetRootMap(Isolate* isolate) {
@@ -11213,6 +11220,15 @@ void Code::Disassemble(const char* name, OStream& os) {  // NOLINT
     it.rinfo()->Print(GetIsolate(), os);
   }
   os << "\n";
+
+  if (FLAG_enable_ool_constant_pool) {
+    ConstantPoolArray* pool = constant_pool();
+    if (pool->length()) {
+      os << "Constant Pool\n";
+      pool->Print(os);
+      os << "\n";
+    }
+  }
 }
 #endif  // ENABLE_DISASSEMBLER