[glib: 2/2] Merge branch 'use-gobject-hole' into 'master'

[Philip Withnall <pwithnall src gnome org>]

commit b43bfcaa68779a64b87ffc379fbc9cd3b9e552f7
Merge: cc1b53f74 5afd574e9
Author: Philip Withnall <philip tecnocode co uk>
Date:   Thu Nov 7 08:15:03 2019 +0000

    Merge branch 'use-gobject-hole' into 'master'
    
    Use the GObject hole on 64bit arches for some flags to improve performance
    
    See merge request GNOME/glib!1083

 gobject/gobject.c       | 100 +++++++++++++++++++++++++++++++++++++++++++++++-
 gobject/gsignal.c       |  30 +++++++++++++--
 gobject/gtype-private.h |   4 ++
 3 files changed, 128 insertions(+), 6 deletions(-)
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