Add support for extended permission rules in conditional policies #607

Job	Run time
build (gcc, 3.12, 3.3)	1m 30s
build (gcc, 3.12, 3.3, test-flags-override)	1m 30s
build (gcc, 3.12, 3.3, test-debug)	1m 50s
build (gcc, 3.12, 3.3, linker-bfd)	1m 32s
build (gcc, 3.12, 3.3, linker-gold)	1m 34s
build (gcc, 3.11, 3.3)	1m 34s
build (gcc, 3.10, 3.3)	2m 20s
build (gcc, 3.9, 3.3)	1m 35s
build (gcc, 3.8, 3.3)	1m 38s
build (gcc, 3.7, 3.3)	1m 49s
build (gcc, pypy3.7, 3.3)	1m 52s
build (gcc, 3.12, 3.2)	1m 53s
build (gcc, 3.12, 3.1)	1m 40s
build (gcc, 3.12, 3.0)	1m 33s
build (gcc, 3.12, 2.7)	1m 44s
build (gcc, 3.12, 2.6)	1m 48s
build (gcc, 3.12, 2.5)	2m 1s
build (clang, 3.12, 3.3)	1m 40s
build (clang, 3.12, 3.3, test-flags-override)	1m 41s
build (clang, 3.12, 3.3, test-debug)	1m 35s
build (clang, 3.11, 3.3)	1m 34s
build (clang, 3.10, 3.3)	1m 37s
build (clang, 3.9, 3.3)	1m 44s
build (clang, 3.8, 3.3)	1m 44s
build (clang, 3.7, 3.3)	1m 42s
build (clang, pypy3.7, 3.3)	2m 14s
build (clang, 3.12, 3.2)	1m 44s
build (clang, 3.12, 3.1)	1m 54s
build (clang, 3.12, 3.0)	1m 57s
build (clang, 3.12, 2.7)	2m 17s
build (clang, 3.12, 2.6)	1m 50s
build (clang, 3.12, 2.5)	2m 16s
build (gcc, 3.12, 3.3, sanitizers)	2m 1s
	58m 53s

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