Rustup #3453

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Merged

bors merged 38 commits into rust-lang:master from RalfJung:rustup

Apr 6, 2024

Auto merge of #123052 - maurer:addr-taken, r=compiler-errors

CFI: Support function pointers for trait methods

Adds support for both CFI and KCFI for function pointers to trait methods by attaching both concrete and abstract types to functions.

KCFI does this through generation of a `ReifyShim` on any function pointer for a method that could go into a vtable, and keeping this separate from `ReifyShim`s that are *intended* for vtable us by setting a `ReifyReason` on them.

CFI does this by setting both the concrete and abstract type on every instance.

This should land after #123024 or a similar PR, as it diverges the implementation of CFI vs KCFI.

r? `@compiler-errors`

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bors committed Apr 4, 2024

commit 2f96976efe7dd9c83ee55a5db5878bb3b8b42182

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