debugger: allow insertion of evaluated expressions for core files

Task-number: QTCREATORBUG-5693
Change-Id: I8b6a5e0cd7956dab92270cae8994da3303fcf8e9
Reviewed-on: http://codereview.qt.nokia.com/2558

Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/debugger/watchwindow.cpp

@@ -706,6 +706,7 @@ void WatchWindow::contextMenuEvent(QContextMenuEvent *ev)
     const bool canHandleWatches = engineCapabilities & AddWatcherCapability;
     const DebuggerState state = engine->state();
     const bool canInsertWatches = state == InferiorStopOk
+        || state == InferiorUnrunnable
         || (state == InferiorRunOk && engine->acceptsWatchesWhileRunning());
 
     QMenu breakpointMenu;