Rollup of 8 pull requests #41641
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Rollup of 8 pull requests #41641
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frewsxcv
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Apr 29, 2017
frewsxcv
commented
- Successful merges: FromIterator and Extend Cow for String #41449, reduce stack requirements for floating-point formatting #41509, query for def_span #41593, Add a distcheck for rust-src completeness #41608, Fix links in RELEASES.md for 1.10.0 through 1.12.0 #41613, Don't let .debug_gdb_scripts become loadable into memory. #41627, process:exit -> process::exit in mem::forget docs #41636, Don't ever warn about #[used] items being dead code. #41637
- Failed merges:
Many links in this series have the `[link text]` and `(url)` on separate lines, which doesn't get correctly interpreted in markdown. Or maybe it once did, but it doesn't now. This patch joins the lines together.
We have benchmarks for the floating-point formatting algorithms themselves, but not for the surrounding machinery like Formatter and translating to the flt2dec::Part slices.
For the two major entry points for float formatting, we split the exact case and the shortest cases into separate functions. We mark the separate functions as #[inline(never) so the exact cases won't bloat stack space in their callers unnecessarily. The shortest cases are marked so for similar reasons. Fixes rust-lang#41234.
The comments for flt2dec::to_shortest_str says that we only need a slice of length 5 for the parts array. Initializing a 16-part array is just wasted effort and wasted stack space. Other functions in the flt2dec module have similar comments, so we adjust the parts arrays passed to those functions accordingly.
Spending time to initialize these is just wasted work, as we'll overwrite them soon anyway. Fixes rust-lang#41259.
The documentation in mem::forget says "...or call `process:exit`..." instead of `process::exit`. r? @steveklabnik
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Thanks for the pull request, and welcome! The Rust team is excited to review your changes, and you should hear from @brson (or someone else) soon. If any changes to this PR are deemed necessary, please add them as extra commits. This ensures that the reviewer can see what has changed since they last reviewed the code. Due to the way GitHub handles out-of-date commits, this should also make it reasonably obvious what issues have or haven't been addressed. Large or tricky changes may require several passes of review and changes. Please see the contribution instructions for more information. |
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@bors r+ p=10 |
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📌 Commit c407738 has been approved by |
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⌛ Testing commit c407738 with merge 41f277f... |
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💔 Test failed - status-travis |
FromIterator and Extend Cow for String This is a quick draft to start working on [rust-lang#41351](rust-lang#41351). I don't think I got the stable attributes correct, but it is good enuf to start a conversation.
…gisa reduce stack requirements for floating-point formatting Doing this speeds up float formatting by ~10% or so, and also makes the formatting code more suitable for embedded environments where stack space is at a premium.
…richton Add a distcheck for rust-src completeness This is for the last commit of rust-lang#41546. For some reason, @bors only saw the first two commits, and wouldn't approve the last even when explicitly directed so. r? @alexcrichton
Fix links in RELEASES.md for 1.10.0 through 1.12.0 Many links in this series have the `[link text]` and `(url)` on separate lines, which doesn't get correctly interpreted in markdown. Or maybe it once did, but it doesn't now. This patch joins the lines together. Here is the content rendered [before](https://github.com/rust-lang/rust/blob/2971d491b955fd8bb504c8ca675b8116b8b1550e/RELEASES.md#version-1120-2016-09-29) and [after](https://github.com/cuviper/rust/blob/e8c4b7af216c9e035b40f78cbd77a35614fdc240/RELEASES.md#version-1120-2016-09-29).
…-forget-doc, r=sfackler process:exit -> process::exit in mem::forget docs The documentation in mem::forget says "...or call `process:exit`..." instead of `process::exit`. r? @steveklabnik
Don't ever warn about #[used] items being dead code. Fixes rust-lang#41628 by whitelisting `#[used]` items in `rustc::middle::dead`.
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