Clean up and add tests for slice drop shims #59348
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I'm afraid I am not familiar with the drop shim code at all, I just did a few tiny changes to make Miri happy. I am not confident reviewing this. Sorry. Also, does the test pass the same way currently? Would be nice to use that test to see the effect of your changes. |
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Maybe @arielb1 could have a look. |
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bors: try |
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r? @oli-obk |
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Apr 29, 2019
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☔ The latest upstream changes (presumably #60195) made this pull request unmergeable. Please resolve the merge conflicts. |
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| assert!(size <= (u32::MAX as u64), | ||
| "move out check doesn't implemented for array bigger then u32"); | ||
| let size = size as u32; | ||
| let size: u32 = size.try_into().unwrap_or_else(|_| { |
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| let succ = self.succ; // FIXME(#43234) | ||
| let loop_block = self.drop_loop( | ||
| succ, | ||
| self.succ, |
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Nice cleanup. @bors r+ |
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📌 Commit 6fff547 has been approved by |
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…=arielb1 Clean up and add tests for slice drop shims Adds a test for the MIR generated by `real_drop_in_place::<[T]>`. Also slightly reduces the number of statements and locals used in the shim. r? @RalfJung
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Rollup of 8 pull requests Successful merges: - #59348 (Clean up and add tests for slice drop shims) - #60188 (Identify when a stmt could have been parsed as an expr) - #60234 (std: Derive `Default` for `io::Cursor`) - #60618 (Comment ext::tt::transcribe) - #60648 (Skip codegen for one UI test with long file path) - #60671 (remove unneeded `extern crate`s from build tools) - #60675 (Remove the old await! macro) - #60676 (Fix async desugaring providing wrong input to procedural macros.) Failed merges: r? @ghost
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Adds a test for the MIR generated by
real_drop_in_place::<[T]>. Also slightly reduces the number of statements and locals used in the shim.r? @RalfJung