common: detect compilers with extensions off #12

Job	Run time
ubuntu-22.04, default debug	24s
windows-2022, default debug	50s
macos-latest, default debug	29s
windows-2022, gcc debug	1m 9s
ubuntu-22.04, clang debug	23s
ubuntu-22.04, sanitize debug	40s
windows-2022, sanitize+asanonly debug	1m 26s
ubuntu-22.04, clang+sanitize debug	55s
ubuntu-22.04, clang+msan debug	1m 55s
windows-2022, clang-cl+sanitize debug	1m 42s
windows-2022, clang-cl+msan debug	1m 24s
ubuntu-22.04, default release	20s
windows-2022, default release	40s
macos-latest, default release	26s
windows-2022, gcc release	53s
ubuntu-22.04, clang release	40s
ubuntu-22.04, sanitize release	35s
windows-2022, sanitize+asanonly release	1m 25s
ubuntu-22.04, clang+sanitize release	37s
ubuntu-22.04, clang+msan release	34s
windows-2022, clang-cl+sanitize release	46s
windows-2022, clang-cl+msan release	1m 12s
	19m 25s

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