gcc and clang compiler version checks refined and msvc guards added #5

Job	Run time
jitter	7m 24s
threads_sanitizer_atomic_fallback	10m 23s
run-checker (no-shared)	5m 37s
run-checker (no-filenames)	6m 42s
run-checker (no-err)	6m 24s
run-checker (no-ec2m enable-fips)	7m 15s
run-checker (no-ocsp)	6m 35s
run-checker (enable-ubsan no-asm -DOPENSSL_SMALL_FOOTPRINT -fno-sanitize=function)	4m 41s
run-checker (no-pinshared)	6m 30s
run-checker (no-module)	6m 9s
run-checker (no-integrity-only-ciphers)	6m 37s
run-checker (no-ts)	5m 58s
run-checker (no-dso)	6m 22s
run-checker (no-ui)	6m 36s
run-checker (no-srp)	5m 0s
run-checker (enable-pie)	6m 38s
run-checker (enable-weak-ssl-ciphers)	6m 39s
run-checker (enable-zlib)	6m 22s
run-checker (no-srtp)	4m 57s
run-checker (enable-asan enable-ubsan no-shared no-asm -DOPENSSL_SMALL_FOOTPRINT -fno-sanitize=fu...	10m 23s
	2h 13m 12s

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