tst_QFloat16Format::format() failed on linux arm64

agent:2024/06/08 19:48:35 build.go:404: 96: ********* Start testing of tst_QFloat16Format *********
agent:2024/06/08 19:48:35 build.go:404: 96: Config: Using QtTest library 6.9.0, Qt 6.9.0 (arm64-little_endian-lp64 shared (dynamic) release build; by GCC 13.2.0), ubuntu 24.04
agent:2024/06/08 19:48:35 build.go:404: 96: PASS   : tst_QFloat16Format::initTestCase()
agent:2024/06/08 19:48:35 build.go:404: 96: PASS   : tst_QFloat16Format::formatCompileTime()
agent:2024/06/08 19:48:35 build.go:404: 96: PASS   : tst_QFloat16Format::format({})
agent:2024/06/08 19:48:35 build.go:404: 96: PASS   : tst_QFloat16Format::format({:#})
agent:2024/06/08 19:48:35 build.go:404: 96: PASS   : tst_QFloat16Format::format({:f})
agent:2024/06/08 19:48:35 build.go:404: 96: PASS   : tst_QFloat16Format::format({:*>10.2a})
agent:2024/06/08 19:48:35 build.go:404: 96: FAIL!  : tst_QFloat16Format::format() Caught unhandled exception
agent:2024/06/08 19:48:35 build.go:404: 96:    Loc: [/home/qt/work/qt/qtbase/src/testlib/qtestcase.cpp(1956)]
agent:2024/06/08 19:48:35 build.go:404: 96: Totals: 6 passed, 1 failed, 0 skipped, 0 blacklisted, 6ms
agent:2024/06/08 19:48:35 build.go:404: 96: ********* Finished testing of tst_QFloat16Format *********
agent:2024/06/08 19:48:35 build.go:404: 96: terminate called after throwing an instance of 'std::runtime_error'
agent:2024/06/08 19:48:35 build.go:404: 96:   what():  locale::facet::_S_create_c_locale name not valid
agent:2024/06/08 19:48:35 build.go:404: 96: Received signal 6 (SIGABRT)
agent:2024/06/08 19:48:35 build.go:404: 96:          [Non-test] function time: 3ms, total time: 6ms
agent:2024/06/08 19:48:35 build.go:404: 96: 
agent:2024/06/08 19:48:35 build.go:404: 96: === Stack trace ===
agent:2024/06/08 19:48:39 build.go:404: 96: Could not attach to process.  If your uid matches the uid of the target
agent:2024/06/08 19:48:39 build.go:404: 96: process, check the setting of /proc/sys/kernel/yama/ptrace_scope, or try
agent:2024/06/08 19:48:39 build.go:404: 96: again as the root user.  For more details, see /etc/sysctl.d/10-ptrace.conf
agent:2024/06/08 19:48:39 build.go:404: 96: ptrace: Inappropriate ioctl for device.
agent:2024/06/08 19:48:39 build.go:404: 96: === End of stack trace ===
agent:2024/06/08 19:48:39 build.go:404: 96: qt-testrunner.py     INFO: Test process exited with code: -6
agent:2024/06/08 19:48:39 build.go:404: 96: qt-testrunner.py     INFO: Parsed XML file /home/qt/work/testresults/tst_qfloat16format-1717876115546.xml in 0.000 seconds
agent:2024/06/08 19:48:39 build.go:404: 96: qt-testrunner.py     INFO: Found 6 passes and 1 failures

********* Start testing of tst_QFloat16Format *********
Config: Using QtTest library 6.9.0, Qt 6.9.0 (arm64-little_endian-lp64 shared (dynamic) debug build; by GCC 13.2.0), ubuntu 24.04
PASS   : tst_QFloat16Format::initTestCase()
PASS   : tst_QFloat16Format::format({})
PASS   : tst_QFloat16Format::format({:#})
PASS   : tst_QFloat16Format::format({:f})
PASS   : tst_QFloat16Format::format({:*>10.2a})
FAIL!  : tst_QFloat16Format::format() Caught unhandled exception
   Loc: [/home/qt/qt/qtbase/src/testlib/qtestcase.cpp(1956)]
Totals: 5 passed, 1 failed, 0 skipped, 0 blacklisted, 1ms
********* Finished testing of tst_QFloat16Format *********
terminate called after throwing an instance of 'std::runtime_error'
  what():  locale::facet::_S_create_c_locale name not valid

Program received signal SIGABRT, Aborted.
__pthread_kill_implementation (threadid=281474842424416, signo=signo@entry=6, no_tid=no_tid@entry=0) at ./nptl/pthread_kill.c:44
warning: 44	./nptl/pthread_kill.c: No such file or directory
(gdb) bt
#0  __pthread_kill_implementation (threadid=281474842424416, signo=signo@entry=6, no_tid=no_tid@entry=0) at ./nptl/pthread_kill.c:44
#1  0x0000fffff6cc7690 in __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78
#2  0x0000fffff6c7cb3c in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#3  0x0000fffff6c67e00 in __GI_abort () at ./stdlib/abort.c:79
#4  0x0000fffff6eadd2c in __gnu_cxx::__verbose_terminate_handler() () from /lib/aarch64-linux-gnu/libstdc++.so.6
#5  0x0000fffff6ea9f8c in ?? () from /lib/aarch64-linux-gnu/libstdc++.so.6
#6  0x0000fffff6ea0d3c in std::terminate() () from /lib/aarch64-linux-gnu/libstdc++.so.6
#7  0x0000fffff6eaa3a0 in __cxa_rethrow () from /lib/aarch64-linux-gnu/libstdc++.so.6
#8  0x0000fffff7f0ab6c in QTest::qRun () at /home/qt/qt/qtbase/src/testlib/qtestcase.cpp:1965
#9  0x0000fffff7f0a21c in QTest::qExec (testObject=0xfffffffff098, argc=2, argv=0xfffffffff248) at /home/qt/qt/qtbase/src/testlib/qtestcase.cpp:1827
#10 0x0000aaaaaaaa52e4 in main (argc=2, argv=0xfffffffff248) at /home/qt/qt/qtbase/tests/auto/corelib/io/qfloat16format/tst_qfloat16format.cpp:167