Add IEEE 754 TiesToAway rounding mode #10849

Job	Run time
check-ubuntu-20_04-make-clang	33m 21s
check-ubuntu-20_04-make-clang-smt-z3	14m 27s
check-ubuntu-20_04-make-gcc	33m 58s
check-ubuntu-20_04-cmake-gcc	31m 49s
check-ubuntu-22_04-cmake-gcc	17m 46s
check-ubuntu-22_04-make-clang	20m 39s
check-ubuntu-20_04-cmake-gcc-KNOWNBUG	19m 5s
check-ubuntu-20_04-cmake-gcc-THOROUGH	24m 46s
check-ubuntu-22_04-cmake-gcc-32bit	17m 45s
check-ubuntu-24_04-cmake-gcc-14	17m 52s
check-macos-13-make-clang	26m 5s
check-macos-14-cmake-clang	1h 22m 23s
check-vs-2019-cmake-build-and-test	47m 45s
check-vs-2022-make-build-and-test	23m 39s
windows-msi-package	21m 18s
check-string-table	2m 6s
check-docker-image	20m 48s
include-what-you-use	23m 3s
	7h 58m 35s

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