Work on check-linux-gnu-centos. #86

Job	Run time
build-tarball	31m 1s
make check on AlmaLinux GNU/Linux	32m 40s
make check on FreeBSD	9m 3s
make check on Alpine Linux	34m 27s
make check on Cygwin (64)	1h 58m 0s
make check on CentOS GNU/Linux	19m 5s
make check on Ubuntu GNU/Linux	32m 38s
make check on macOS (macos-13)	56m 36s
make check on mingw (32)	1h 13m 16s
make check on MSVC (32)	59m 41s
make check on macOS (macos-14)	22m 35s
make check on NetBSD	26m 14s
make check on mingw (64)	1h 21m 27s
make check on MSVC (64)	1h 1m 51s
make check on macOS (macos-15)	38m 13s
make check on OpenBSD	39m 26s
make check on Solaris 11	57m 41s
make check with sanitizers	11m 47s
make check with the newest clang release	17m 58s
make check on Solaris 11 OmniOS	55m 53s
	14h 39m 32s

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