git: openjdk/mobile: 8230742: Make AggressiveUnboxing a diagnostic flag

[duke]

Changeset: 2df5ae82
Author:    Tobias Hartmann <thartmann at openjdk.org>
Date:      2019-09-16 13:53:41 +0000
URL:       https://github.com/openjdk/mobile/commit/2df5ae82

8230742: Make AggressiveUnboxing a diagnostic flag

AggressiveUnboxing is enabled by default. It should therefore be a diagnostic flag.

Reviewed-by: roland, shade

! src/hotspot/share/opto/c2_globals.hpp