Guillaume Gomez dc4236d43b
Rollup merge of #123024 - maurer:kcfi-testing, r=workingjubilee
CFI: Enable KCFI testing of run-pass tests

This enables KCFI-based testing for all the CFI run-pass tests in the suite today. We can add the test header on top of in-flight CFI tests once they land. This is becoming more important as we get closer to leveraging CFI's multiple type attachment feature, as that is where the implementations will have a divergence.

It also enables KCFI as a sanitizer for x86_64 and aarch64 Linux to make this possible. The sanitizer should likely be available for all aarch64, x86_64, and riscv targets, but that isn't critical for initial testing.
2024-03-27 10:13:43 +01:00
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