Contribution of PowerPC port.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 874f6c31dddec3ee6ef0404552497980760d61fb..7609f0290d85c62d3aa4fc1f252b572aecf34d93 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -795,6 +795,10 @@ 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,
@@ -849,6 +853,9 @@ 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) {
@@ -11508,6 +11515,15 @@ 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