ARM: Enable the subnormal floats on QNX.

src/api.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 5081 matching lines @@
 }
 
 
 int v8::V8::ContextDisposedNotification() {
   i::Isolate* isolate = i::Isolate::Current();
   if (!isolate->IsInitialized()) return 0;
   return isolate->heap()->NotifyContextDisposed();
 }
 
 
+void v8::V8::PerThreadSetUp() {
+  i::OS::PerThreadSetUp();
+}
+
+
 bool v8::V8::InitializeICU() {
   return i::InitializeICU();
 }
 
 
 const char* v8::V8::GetVersion() {
   return i::Version::GetVersion();
 }
 
 
@@ skipping 2342 matching lines @@
   Isolate* isolate = reinterpret_cast<Isolate*>(info.GetIsolate());
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 } }  // namespace v8::internal