Add support for extended permission rules in conditional policies #606

Job	Run time
build (gcc, 3.12, 3.3)	1m 34s
build (gcc, 3.12, 3.3, test-flags-override)	1m 22s
build (gcc, 3.12, 3.3, test-debug)	1m 22s
build (gcc, 3.12, 3.3, linker-bfd)	1m 31s
build (gcc, 3.12, 3.3, linker-gold)	1m 33s
build (gcc, 3.11, 3.3)	1m 43s
build (gcc, 3.10, 3.3)	1m 43s
build (gcc, 3.9, 3.3)	1m 38s
build (gcc, 3.8, 3.3)	1m 52s
build (gcc, 3.7, 3.3)	1m 34s
build (gcc, pypy3.7, 3.3)	1m 58s
build (gcc, 3.12, 3.2)	1m 31s
build (gcc, 3.12, 3.1)	1m 32s
build (gcc, 3.12, 3.0)	1m 31s
build (gcc, 3.12, 2.7)	1m 49s
build (gcc, 3.12, 2.6)	1m 50s
build (gcc, 3.12, 2.5)	1m 52s
build (clang, 3.12, 3.3)	1m 35s
build (clang, 3.12, 3.3, test-flags-override)	1m 25s
build (clang, 3.12, 3.3, test-debug)	1m 28s
build (clang, 3.11, 3.3)	1m 35s
build (clang, 3.10, 3.3)	1m 50s
build (clang, 3.9, 3.3)	1m 42s
build (clang, 3.8, 3.3)	1m 49s
build (clang, 3.7, 3.3)	1m 55s
build (clang, pypy3.7, 3.3)	2m 4s
build (clang, 3.12, 3.2)	1m 43s
build (clang, 3.12, 3.1)	1m 39s
build (clang, 3.12, 3.0)	1m 36s
build (clang, 3.12, 2.7)	2m 0s
build (clang, 3.12, 2.6)	1m 55s
build (clang, 3.12, 2.5)	1m 57s
build (gcc, 3.12, 3.3, sanitizers)	2m 0s
	56m 8s

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