Bug 85587 [IDE] Save before clean all
The test plan for Platform UI states that a build should prompt to save unsaved resources. However, when we "clean all", no such prompt appears. Should it?
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/actions/BuildAction.java
/**
     * The id of an incremental build action.
     */
    public static final String ID_BUILD = PlatformUI.PLUGIN_ID + ".BuildAction";
    /**
     * The id of a rebuild all action.
     */
    public static final String ID_REBUILD_ALL = PlatformUI.PLUGIN_ID
            + ".RebuildAllAction";
    private int buildType;
    /**
     * The list of IProjects to build (computed lazily).
     */
    private List projectsToBuild = null;