fix: Vec leak when capacity is 0 #95699
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Rollup of 4 pull requests Successful merges: - rust-lang#95659 (Rely on #[link] attribute for unwind on Fuchsia.) - rust-lang#95684 (rustdoc: Fix item info display overflow) - rust-lang#95693 (interp: pass TyCtxt to Machine methods that do not take InterpCx) - rust-lang#95699 (fix: Vec leak when capacity is 0) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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When
RawVec::with_capacity_inis called with capacity 0, an allocation of size 0 is allocated.However,
<RawVec as Drop>::dropdoesn't deallocate, since it only checks if capacity was 0. Fixed by not allocating when capacity is 0.