The result is retained so long as we don't attempt to change our locale,
but failing to change that is the reason why we printed anything.
==20227==ERROR: AddressSanitizer: heap-use-after-free on address 0x000107312696 at pc 0x000103c48088 bp 0x00016ee180c0 sp 0x00016ee17880
READ of size 9 at 0x000107312696 thread T0
#0 0x103c48084 in wrap_strlen+0x164 (libclang_rt.asan_osx_dynamic.dylib:arm64e+0x18084) (BuildId: f0a7ac5c49bc3abc851181b6f92b308a32000000200000000100000000000b00)
#1 0x1023804bc in QString::vasprintf(char const*, char*) qstring.cpp:7112
#2 0x102243578 in qt_message(QtMsgType, QMessageLogContext const&, char const*, char*) qlogging.cpp:368
#3 0x10252630c in QMessageLogger::warning(char const*, ...) const qlogging.cpp:647
#4 0x10229f940 in QCoreApplicationPrivate::initLocale() qcoreapplication.cpp:664
#5 0x10229fba0 in QCoreApplicationPrivate::init() qcoreapplication.cpp:826
#6 0x1022a07c0 in QCoreApplication::QCoreApplication(int&, char**, int) qcoreapplication.cpp:799
#7 0x101454ef8 in main+0xeb0 (WSgen:arm64+0x100470ef8) (BuildId: ae9b4fec1fd73c1693047a6b9d9ce91432000000200000000100000000000b00)
Pick-to: 6.5
Task-number: QTBUG-111443
Change-Id: I6f518d59e63249ddbf43fffd1759d28738124797
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
3690c202f9