Bug 574216 - IOOBE in CompletionProposalPopup.selectProposal

Guard from direct access on ever changing fFilteredProposals refrence
and check for index inside fFilteredProposals bounds.

Change-Id: I1946c255b54c87724624d5a29cf9b44fc3911b7d
Signed-off-by: Andrey Loskutov <loskutov@gmx.de>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.text/+/182010
Tested-by: Platform Bot <platform-bot@eclipse.org>
1 file changed