[WIP] Implement CFI #287

Job	Run time
linux-x86-ci-generated	12s
linux-x86-deny	41s
linux-x86-ci (ubuntu-latest)	20s
linux-x86-ci (ubuntu-24.04-arm)	32s
linux-native-test-suite (ubuntu-latest)	2m 5s
linux-native-ci-asm (ubuntu-24.04-arm)	41s
linux-native-ci-asm (ubuntu-latest)	27s
linux-native-test-suite (ubuntu-24.04-arm)	2m 19s
linux-fuzz	4m 4s
macos-x86-ci-asm	1m 42s
linux-native-test-spawn (ubuntu-24.04-arm)	19s
linux-arm-test-suite	6m 2s
windows-x86-ci-asm	3m 18s
linux-native-ci-asm-chaos (ubuntu-24.04-arm)	33s
linux-native-ci-asm-chaos (ubuntu-latest)	22s
linux-native-test-spawn (ubuntu-latest)	19s
linux-arm-ci-asm	2m 26s
	26m 22s

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