Complements ab05e05f60253b9be615c09aa340ee75f2e5bcaf:
Strings: get rid of the last std::char_traits use
LLVM's libc++ became pedantic and insists on only accepting
instantiations for one of the standard Char types, so remove all uses of
it with a template parameter.
Complements dc2ae08e02.
which is:
QStringView: stop instantiating std::char_traits<QChar> and <uchar>
It's deprecated and will be removed with LLVM 19.
Amends b1ee49b465.
Fixes: QTBUG-128325
Task-number: QTBUG-126214
Task-number: QTBUG-122753
Pick-to: 6.7
Change-Id: I2c7fbe3c0f557e98e7edfffdb00b4cc71a6612ca
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
Reviewed-by: Cristian Adam <cristian.adam@qt.io>
(cherry picked from commit b387537d3e9c35d9f112d4aa32ad71df5e5e9028)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>