Bug 76432 [GlobalActions] WorkbenchActionBuilder wrong null check
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/WorkbenchActionBuilder.java
IToolBarManager fileToolBar = new ToolBarManager(cbManager
                    .getStyle());
            fileToolBar.add(new Separator(IWorkbenchActionConstants.NEW_GROUP));
            fileToolBar.add(newWizardDropDownAction);
            fileToolBar.add(new GroupMarker(IWorkbenchActionConstants.NEW_EXT));
            fileToolBar.add(new GroupMarker(
                    IWorkbenchActionConstants.SAVE_GROUP));
            fileToolBar.add(saveAction);
            fileToolBar
                    .add(new GroupMarker(IWorkbenchActionConstants.SAVE_EXT));
            fileToolBar.add(printAction);
            fileToolBar
                    .add(new GroupMarker(IWorkbenchActionConstants.PRINT_EXT));
            fileToolBar
                    .add(new Separator(IWorkbenchActionConstants.BUILD_GROUP));
            fileToolBar
                    .add(new GroupMarker(IWorkbenchActionConstants.BUILD_EXT));
            fileToolBar.add(new Separator(
                    IWorkbenchActionConstants.MB_ADDITIONS));
            
            cbManager.add(new ToolBarContributionItem(fileToolBar,
                    IWorkbenchActionConstants.TOOLBAR_FILE));
        }
        cbManager.add(new GroupMarker(IWorkbenchActionConstants.MB_ADDITIONS));
        cbManager.add(new GroupMarker(IIDEActionConstants.GROUP_NAV));
        { 
            IToolBarManager navToolBar = new ToolBarManager(cbManager
                    .getStyle());
            navToolBar.add(new Separator(
                    IWorkbenchActionConstants.HISTORY_GROUP));