CRT_degreeSign code shrink #4819

Job	Run time
build-dragonflybsd-latest-gcc	2m 27s
build-freebsd-latest-clang	2m 34s
build-macos-latest-clang	50s
build-openbsd-latest-clang	2m 52s
build-netbsd-latest-gcc	2m 49s
build-solaris-latest-gcc	3m 11s
build-ubuntu-latest-clang-analyzer	1m 20s
build-ubuntu-latest-clang-sanitizer	1m 6s
build-ubuntu-latest-full-featured-clang	1m 12s
build-ubuntu-latest-full-featured-gcc	50s
build-ubuntu-latest-gcc-static	48s
build-ubuntu-latest-minimal-gcc	36s
build-ubuntu-latest-minimal-clang	1m 51s
build-ubuntu-latest-pcp	26s
lint-pcp-config	3s
lint-whitespace	3s
	22m 58s

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