Add support for extended permission rules in conditional policies #603

Job	Run time
build (gcc, 3.12, 3.3)	2m 0s
build (gcc, 3.12, 3.3, test-flags-override)	1m 27s
build (gcc, 3.12, 3.3, test-debug)	1m 26s
build (gcc, 3.12, 3.3, linker-bfd)	1m 35s
build (gcc, 3.12, 3.3, linker-gold)	1m 40s
build (gcc, 3.11, 3.3)	1m 40s
build (gcc, 3.10, 3.3)	1m 31s
build (gcc, 3.9, 3.3)	1m 40s
build (gcc, 3.8, 3.3)	1m 35s
build (gcc, 3.7, 3.3)	1m 39s
build (gcc, pypy3.7, 3.3)	2m 3s
build (gcc, 3.12, 3.2)	1m 35s
build (gcc, 3.12, 3.1)	1m 45s
build (gcc, 3.12, 3.0)	1m 32s
build (gcc, 3.12, 2.7)	2m 6s
build (gcc, 3.12, 2.6)	1m 45s
build (gcc, 3.12, 2.5)	1m 57s
build (clang, 3.12, 3.3)	2m 4s
build (clang, 3.12, 3.3, test-flags-override)	1m 29s
build (clang, 3.12, 3.3, test-debug)	1m 28s
build (clang, 3.11, 3.3)	1m 34s
build (clang, 3.10, 3.3)	1m 47s
build (clang, 3.9, 3.3)	1m 43s
build (clang, 3.8, 3.3)	1m 42s
build (clang, 3.7, 3.3)	2m 1s
build (clang, pypy3.7, 3.3)	2m 8s
build (clang, 3.12, 3.2)	1m 41s
build (clang, 3.12, 3.1)	1m 36s
build (clang, 3.12, 3.0)	1m 37s
build (clang, 3.12, 2.7)	2m 4s
build (clang, 3.12, 2.6)	1m 54s
build (clang, 3.12, 2.5)	1m 55s
build (gcc, 3.12, 3.3, sanitizers)	2m 0s
	57m 39s

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