[WIP] Implement CFI #324

Job	Run time
linux-x86-deny	37s
linux-x86-ci-generated	14s
macos-x86-ci-asm	13m 46s
linux-native-ci-asm-chaos (ubuntu-latest)	17m 7s
linux-arm-ci-asm	9m 34s
linux-native-ci-asm-chaos (ubuntu-24.04-arm)	15m 31s
linux-fuzz	4m 8s
linux-native-test-spawn (ubuntu-latest)	1m 25s
linux-x86-ci (ubuntu-24.04-arm)	1m 32s
linux-arm-test-suite	5m 26s
linux-x86-ci (ubuntu-latest)	1m 36s
linux-native-test-suite (ubuntu-24.04-arm)	3m 9s
linux-native-test-spawn (ubuntu-24.04-arm)	1m 14s
windows-x86-ci-asm	20m 48s
linux-native-ci-asm (ubuntu-latest)	16m 47s
linux-native-test-suite (ubuntu-latest)	2m 57s
linux-native-ci-asm (ubuntu-24.04-arm)	16m 30s
	2h 12m 21s

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