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Use u64 for incr comp allocation offsets

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This commit is contained in:
Ben Kimock 2023-07-10 21:39:28 -04:00
parent a161ab00db
commit 4e117a9b4e
5 changed files with 9 additions and 6 deletions
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6
compiler/rustc_middle/src/query/on_disk_cache.rs
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@ -104,7 +104,9 @@ struct Footer {
query_result_index: EncodedDepNodeIndex,
side_effects_index: EncodedDepNodeIndex,
// The location of all allocations.
interpret_alloc_index: Vec<u32>,
// Most uses only need values up to u32::MAX, but benchmarking indicates that we can use a u64
// without measurable overhead. This permits larger const allocations without ICEing.
interpret_alloc_index: Vec<u64>,
// See `OnDiskCache.syntax_contexts`
syntax_contexts: FxHashMap<u32, AbsoluteBytePos>,
// See `OnDiskCache.expn_data`
@ -301,7 +303,7 @@ impl<'sess> OnDiskCache<'sess> {
interpret_alloc_index.reserve(new_n - n);
for idx in n..new_n {
let id = encoder.interpret_allocs[idx];
let pos: u32 = encoder.position().try_into().unwrap();
let pos: u64 = encoder.position().try_into().unwrap();
interpret_alloc_index.push(pos);
interpret::specialized_encode_alloc_id(&mut encoder, tcx, id);
}