I'm getting a segfault in the renderer process on both win64 and lnx64.  I've not yet isolated a minimal test case but the interrupt always occurs at _NewFromUtf8_.

> Program received signal SIGSEGV, Segmentation fault.
> 0x00007f0f7cacba08 in v8::String::NewFromUtf8(v8::Isolate_, char const_, v8::String::NewStringType, int) ()

This is on the latest release 1.2.2.

atom/renderer/atom_renderer_client.cc
}
void AtomRendererClient::RenderThreadStarted() {
  blink::WebCustomElement::addEmbedderCustomElementName("webview");
  blink::WebCustomElement::addEmbedderCustomElementName("browserplugin");
  OverrideNodeArrayBuffer();
  preferences_manager_.reset(new PreferencesManager);
#if defined(OS_WIN)
  
  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
  base::string16 app_id =
      command_line->GetSwitchValueNative(switches::kAppUserModelId);
  if (!app_id.empty()) {
    SetCurrentProcessExplicitAppUserModelID(app_id.c_str());
  }
#endif
#if defined(OS_MACOSX)
  
  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
  if (!command_line->HasSwitch(switches::kScrollBounce)) {
    base::ScopedCFTypeRef<CFStringRef> key(
        base::SysUTF8ToCFStringRef("NSScrollViewRubberbanding"));
    base::ScopedCFTypeRef<CFStringRef> value(
        base::SysUTF8ToCFStringRef("false"));
    CFPreferencesSetAppValue(key, value, kCFPreferencesCurrentApplication);
    CFPreferencesAppSynchronize(kCFPreferencesCurrentApplication);
  }
#endif
}
void AtomRendererClient::RenderFrameCreated(