hg: jdk/sandbox: 8235966: Process obsolete flags less aggressively

[chris.hegarty at oracle.com]

Changeset: 11e188a95589
Author:    dholmes
Date:      2020-01-23 21:14 -0500
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/11e188a95589

8235966: Process obsolete flags less aggressively
Reviewed-by: dcubed, iignatyev

! src/hotspot/share/runtime/arguments.cpp
! src/hotspot/share/runtime/arguments.hpp
+ test/hotspot/gtest/runtime/test_special_flags.cpp