Enable RenameReturnPlace MIR optimization on mir-opt-level >= 2 #77525
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The destination propagation as currently implemented does not supersede the NRVO, e.g., the destination propagation never applies if either local has an address taken, while NRVO might. Additionally, the issue with failing assertions had been already resolved. Continue running both optimizations at mir-opt-level >= 2.
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Oh, nice, I thought tests would fail if we did this @bors r+ |
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…as-schievink Rollup of 8 pull requests Successful merges: - rust-lang#77072 (Minor `hash_map` doc adjustments + item attribute orderings) - rust-lang#77368 (Backport LLVM apfloat commit to rustc_apfloat) - rust-lang#77445 (BTreeMap: complete the compile-time test_variance test case) - rust-lang#77504 (Support vectors with fewer than 8 elements for simd_select_bitmask) - rust-lang#77513 (Change DocFragments from enum variant fields to structs with a nested enum) - rust-lang#77518 (Only use Fira Sans for the first `td` in item lists) - rust-lang#77521 (Move target feature whitelist from cg_llvm to cg_ssa) - rust-lang#77525 (Enable RenameReturnPlace MIR optimization on mir-opt-level >= 2) Failed merges: r? `@ghost`
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The destination propagation as currently implemented does not supersede the NRVO, e.g., the destination propagation never applies if either local has an address taken, while NRVO might.
Additionally, the issue with failing assertions had been already resolved.
Continue running both optimizations at mir-opt-level >= 2.