bjoernager/rust
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Replace some u64 hashes with Hash64

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This commit is contained in:
Ben Kimock 2025-02-15 13:57:21 -05:00
parent fc147b4a81
commit 1d7cf0ff40
6 changed files with 25 additions and 15 deletions
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3
compiler/rustc_middle/src/ty/layout.rs
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@ -7,6 +7,7 @@ use rustc_abi::{
PointeeInfo, PointerKind, Primitive, ReprOptions, Scalar, Size, TagEncoding, TargetDataLayout,
TyAbiInterface, VariantIdx, Variants,
};
use rustc_data_structures::stable_hasher::Hash64;
use rustc_error_messages::DiagMessage;
use rustc_errors::{
Diag, DiagArgValue, DiagCtxtHandle, Diagnostic, EmissionGuarantee, IntoDiagArg, Level,
@ -778,7 +779,7 @@ where
size: Size::ZERO,
max_repr_align: None,
unadjusted_abi_align: tcx.data_layout.i8_align.abi,
randomization_seed: 0,
randomization_seed: Hash64::ZERO,
})
}

3
compiler/rustc_middle/src/ty/mod.rs
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@ -1487,8 +1487,7 @@ impl<'tcx> TyCtxt<'tcx> {
// Generate a deterministically-derived seed from the item's path hash
// to allow for cross-crate compilation to actually work
let mut field_shuffle_seed =
self.def_path_hash(did.to_def_id()).0.to_smaller_hash().as_u64();
let mut field_shuffle_seed = self.def_path_hash(did.to_def_id()).0.to_smaller_hash();
// If the user defined a custom seed for layout randomization, xor the item's
// path hash with the user defined seed, this will allowing determinism while