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[PAC] ABI-compatibility rules for discriminator calculation (4.5/8) - #163103

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jchlanda wants to merge 9 commits into

rust-lang:mainfrom

jchlanda:jakub/pac_ty_disc_PR_4_and_a_half

Commits on Oct 5, 2026

[PAC] Include discriminator in `FnAbi`, add `llvm.ptrauth.resign`
jchlanda
committed
cd4b844
[PAC] Use Option<u64> in FnAbi's discriminator field
jchlanda
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3f21ffd
[PAC] repr(transparent) and correct handling of Option<T> in encoder
jchlanda
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4a5d0a9
[PAC] Enable support for FPTR_TYPE_DISCR in ABI Version
jchlanda
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24e7c93
[PAC] Support type discriminators in static allocations
jchlanda
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83cf1cb
[PAC] Extend support to compile-time constants
jchlanda
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6402f04
[PAC] Use scalar_to_backend_with_pac for const globals
jchlanda
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91ffd1d
[PAC] Make sure that the encoder honors ABI compatibility rules for fn
jchlanda
committed
e6b44ec

Commits on Oct 6, 2026

[PAC] Add `rustc_dump_ptrauth_discriminator` attribute doc
jchlanda
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2ec7886