This fixes CORE-16498, which got considerably more severe by
0.4.13-dev-209-g
dc7f4f682f
Thanks to the patches author Jim Tabor.
I merged manually analog 0.4.14-dev-594-g
5214a38fd0
Fix results from tests, add (last one) gdi batch support for
ExtSelectClipRgn. Left commented out test code in tree this time.
Pass Katayama Hirofumi MZ SelectClipRgn tests. After commit will plug in
the last batch. After 12 years.
See CORE-13817 and CORE-15906.