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hamt: when preserving, actually write outermost stem pointer back to mutable self

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This commit is contained in:
Edward Amsden 2023-12-11 19:06:45 -06:00
parent ede9918c03
commit 548dc3f3c4
1 changed files with 1 additions and 0 deletions
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rust/ares/src/hamt.rs
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@ -500,6 +500,7 @@ impl<T: Copy + Preserve> Preserve for Hamt<T> {
if stack.is_in_frame(self.0) {
let dest_stem = stack.struct_alloc_in_previous_frame(1);
copy_nonoverlapping(self.0, dest_stem, 1);
self.0 = dest_stem;
if stack.is_in_frame((*dest_stem).buffer) {
let dest_buffer = stack.struct_alloc_in_previous_frame((*dest_stem).size());
copy_nonoverlapping((*dest_stem).buffer, dest_buffer, (*dest_stem).size());