Rollup of 9 pull requests #44599
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Rollup of 9 pull requests #44599
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On Windows, the gcc crate would send /Wall to msvc, which would cause builds to get flooded with warnings, exploding compile times from one hour to more than 72! The gcc crate version 0.3.54 changes this behavior to send /W4 instead, which greatly cuts down on cl.exe flooding the command prompt window with warnings.
In rust-lang#42436 the behavior for spawning processes on Windows was tweaked slightly to fix various bugs, but this caused rust-lang#42791 as a regression, namely that to spawn batch scripts they need to be manually spawned with `cmd /c` instead now. This updates the compiler to handle this case explicitly for Emscripten. Closes rust-lang#42791
Most of the other rust-lang buckets are in us-west-1 and I think the original bucket was just accidentally created in the us-east-1 region. Let's consolidate by moving it to the same location as the rest of our buckets.
This commit alters the `query` function in the dep graph module to preallocate memory using `with_capacity` instead of relying on automatic growth. Discovered in rust-lang#44576 it was found that for the syntex_syntax clean incremental benchmark the peak memory usage was found when the dep graph was being saved, particularly the `DepGraphQuery` data structure itself. PRs like rust-lang#44142 which add more queries end up just making this much larger! I didn't see an immediately obvious way to reduce the size of the `DepGraphQuery` object, but it turns out that `with_capacity` helps quite a bit! Locally 831 MB was used [before] this commit, and 770 MB is in use at the peak of the compiler [after] this commit. That's a nice 7.5% improvement! This won't quite make up for the losses in rust-lang#44142 but I figured it's a good start. [before]: https://gist.github.com/alexcrichton/2d2b9c7a65503761925c5a0bcfeb0d1e [before]: https://gist.github.com/alexcrichton/6da51f2a6184bfb81694cc44f06deb5b
…crichton Attempt to fix the component manifest problem for rls-preview cc rust-lang#44270 See rust-lang#44270
…uietMisdreavus Codeblock color <img width="1440" alt="screen shot 2017-09-07 at 21 53 58" src="https://user-images.githubusercontent.com/3050060/30183045-4319108e-9419-11e7-98da-da54952cab37.png"> This screenshot has been generated from: ```rust /// foo /// /// ```compile_fail /// foo(); /// ``` /// /// ```ignore /// goo(); /// ``` /// /// ``` /// let x = 0; /// ``` pub fn bar() -> usize { 2 } ``` r? @QuietMisdreavus cc @rust-lang/docs
…chton bump gcc for bootstrap On Windows, the gcc crate would send /Wall to msvc, which would cause builds to get flooded with warnings, exploding compile times from one hour to more than 72! The gcc crate version 0.3.54 changes this behavior to send /W4 instead, which greatly cuts down on cl.exe flooding the command prompt window with warnings.
…, r=nikomatsakis rustc: Spawn `cmd /c emcc.bat` explicitly In rust-lang#42436 the behavior for spawning processes on Windows was tweaked slightly to fix various bugs, but this caused rust-lang#42791 as a regression, namely that to spawn batch scripts they need to be manually spawned with `cmd /c` instead now. This updates the compiler to handle this case explicitly for Emscripten. Closes rust-lang#42791
bring TyCtxt into scope got comments both from @eddyb and @nikomatsakis (via rust-lang#44505) that we should always put `TyCtxt` in scope should I just go and import it at other places in the codebase or we just keep doing small improvements?
…aidanhs travis: Move sccache to the us-west-1 region Most of the other rust-lang buckets are in us-west-1 and I think the original bucket was just accidentally created in the us-east-1 region. Let's consolidate by moving it to the same location as the rest of our buckets.
…elwoerister rustc: Preallocate when building the dep graph This commit alters the `query` function in the dep graph module to preallocate memory using `with_capacity` instead of relying on automatic growth. Discovered in rust-lang#44576 it was found that for the syntex_syntax clean incremental benchmark the peak memory usage was found when the dep graph was being saved, particularly the `DepGraphQuery` data structure itself. PRs like rust-lang#44142 which add more queries end up just making this much larger! I didn't see an immediately obvious way to reduce the size of the `DepGraphQuery` object, but it turns out that `with_capacity` helps quite a bit! Locally 831 MB was used [before] this commit, and 770 MB is in use at the peak of the compiler [after] this commit. That's a nice 7.5% improvement! This won't quite make up for the losses in rust-lang#44142 but I figured it's a good start. [before]: https://gist.github.com/alexcrichton/2d2b9c7a65503761925c5a0bcfeb0d1e [before]: https://gist.github.com/alexcrichton/6da51f2a6184bfb81694cc44f06deb5b
Require +thumb-mode to generate thumb2 code for Android/armv7-a I am investigating rust's code generation into Gecko by https://bugzilla.mozilla.org/show_bug.cgi?id=1399337. armv7-linux-androideabi target uses `+v7,+thumb2,+vfp3,+d16,-neon` as target-feature. But `+thumb2` only doesn't generate thumb2 code. To generate thumb2 code, it requires `+thumb-mode`. So we should add it for armv7-linux-androideabi. r? @alexcrichton
…xcrichton stabilized ord_max_min (fixes rust-lang#25663)
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(rust_highfive has picked a reviewer for you, use r? to override) |
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@bors: r+ p=10 |
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📌 Commit 5e9b68f has been approved by |
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⌛ Testing commit 5e9b68f with merge 600483887eb22026ad4122d78bd836cb89528b1b... |
alexcrichton
added
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💔 Test failed - status-appveyor |
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@bors retry |
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⌛ Testing commit 5e9b68f with merge d97802dc6154591ede0b64d49befa9a59a801507... |
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@bors retry two of the mac machines timed out, but the build status never changed for them. so here we are six hours later |
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⌛ Testing commit 5e9b68f with merge b6375a23e949db44d49d26b83f41e256e67a3783... |
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@bors r- retry |
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cmd /c emcc.batexplicitly #44542, bring TyCtxt into scope #44560, travis: Move sccache to the us-west-1 region #44574, rustc: Preallocate when building the dep graph #44586, Require +thumb-mode to generate thumb2 code for Android/armv7-a #44589, stabilized ord_max_min (fixes #25663) #44593