I20220212-0600
Avoid saving deleted index and don't report error if that was not possible to avoid. Change-Id: I35328d8b9e5282718e9e6e4640f0559521b4139c Reviewed-on: https://git.eclipse.org/r/c/jdt/eclipse.jdt.core/+/190733 Tested-by: JDT Bot <jdt-bot@eclipse.org> Reviewed-by: Andrey Loskutov <loskutov@gmx.de>