Add support for extended permission rules in conditional policies #611

Job	Run time
build (gcc, 3.12, 3.3)	1m 44s
build (gcc, 3.12, 3.3, test-flags-override)	1m 28s
build (gcc, 3.12, 3.3, test-debug)	1m 29s
build (gcc, 3.12, 3.3, linker-bfd)	1m 47s
build (gcc, 3.12, 3.3, linker-gold)	1m 39s
build (gcc, 3.11, 3.3)	1m 42s
build (gcc, 3.10, 3.3)	1m 33s
build (gcc, 3.9, 3.3)	1m 42s
build (gcc, 3.8, 3.3)	1m 37s
build (gcc, 3.7, 3.3)	1m 40s
build (gcc, pypy3.7, 3.3)	2m 19s
build (gcc, 3.12, 3.2)	1m 31s
build (gcc, 3.12, 3.1)	1m 46s
build (gcc, 3.12, 3.0)	1m 31s
build (gcc, 3.12, 2.7)	1m 51s
build (gcc, 3.12, 2.6)	1m 44s
build (gcc, 3.12, 2.5)	1m 41s
build (clang, 3.12, 3.3)	1m 44s
build (clang, 3.12, 3.3, test-flags-override)	1m 40s
build (clang, 3.12, 3.3, test-debug)	1m 32s
build (clang, 3.11, 3.3)	1m 56s
build (clang, 3.10, 3.3)	1m 56s
build (clang, 3.9, 3.3)	1m 44s
build (clang, 3.8, 3.3)	1m 48s
build (clang, 3.7, 3.3)	2m 2s
build (clang, pypy3.7, 3.3)	2m 14s
build (clang, 3.12, 3.2)	2m 12s
build (clang, 3.12, 3.1)	1m 54s
build (clang, 3.12, 3.0)	1m 48s
build (clang, 3.12, 2.7)	2m 2s
build (clang, 3.12, 2.6)	1m 57s
build (clang, 3.12, 2.5)	2m 1s
build (gcc, 3.12, 3.3, sanitizers)	2m 0s
	59m 14s

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