[COMMITTERS] pgsql: Allow ICU to use SortSupport on Windows with UTF-8

Allow ICU to use SortSupport on Windows with UTF-8

There is no reason to ever prevent the use of SortSupport on Windows
when ICU locales are used.  We previously avoided SortSupport on Windows
with UTF-8 server encoding and a non C-locale due to restrictions in
Windows' libc functionality.

This is now considered to be a restriction in one platform's libc
collation provider, and not a more general platform restriction.

Reported-by: Peter Geoghegan <pg@bowt.ie>

Branch
------
REL_10_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/29923859f91f94c97417b8417ff8475cf4261be1

Modified Files
--------------
src/backend/utils/adt/varlena.c | 28 ++++++++++++++++------------
1 file changed, 16 insertions(+), 12 deletions(-)


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