fix: alloc-optimisation is only for rust llvm #89591
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Another related question would be, could it actually just be pushed into upstream LLVM itself, perhaps generalised for them to make the choice of function name configurable. |
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There was a thread on Zulip about upstreaming the LLVM patch for |
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@bors r+ rollup |
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Oct 6, 2021
…arth Rollup of 12 pull requests Successful merges: - rust-lang#87601 (Add functions to add unsigned and signed integers) - rust-lang#88523 (Expand documentation for `FpCategory`.) - rust-lang#89050 (refactor: VecDeques Drain fields to private) - rust-lang#89245 (refactor: make VecDeque's IterMut fields module-private, not just crate-private) - rust-lang#89324 (Rename `std::thread::available_conccurrency` to `std::thread::available_parallelism`) - rust-lang#89329 (print-type-sizes: skip field printing for primitives) - rust-lang#89501 (Note specific regions involved in 'borrowed data escapes' error) - rust-lang#89506 (librustdoc: Use correct heading levels.) - rust-lang#89528 (Fix suggestion to borrow when casting from pointer to reference) - rust-lang#89531 (library std, libc dependency update) - rust-lang#89588 (Add a test for generic_const_exprs) - rust-lang#89591 (fix: alloc-optimisation is only for rust llvm) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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As discussed at the bottom of #83485.
On a separate note I'll take this chance ask, is it worth pulling in that patch (to recognise
__rust_dealloc) into Debian's system LLVM? The main factors for us to consider would be (1) is the optimisation significant and (2) is there not any significant negative impact to non-rust packages that use LLVM.