Don't check for late-bound vars, check for escaping bound vars #11760
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r? @Jarcho (rustbot has picked a reviewer for you, use r? to override) |
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There was a test here #11230 (comment) can you just throw that into |
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I actually just removed the |
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The |
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i confirmed that this fixes #11230 when applied on top of rust-lang/rust#117595 :) |
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Ping @compiler-errors. Can you re-add the debug @rustbot author |
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@rustbot ready |
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Thank you. @bors r+ I assume an escaped variable is one that is missing it's corresponding binder, correct? |
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Don't check for late-bound vars, check for escaping bound vars Fixes an assertion that didn't make sense. Many valid and well-formed types *have* late-bound vars (e.g. `for<'a> fn(&'a ())`), they just must not have *escaping* late-bound vars in order to be normalized correctly. Addresses #11230, cc `@jyn514` and `@matthiaskrgr`
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💔 Test failed - checks-action_test |
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lol, I have added the missing |
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@bors r=Jarcho |
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💡 This pull request was already approved, no need to approve it again. |
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☀️ Test successful - checks-action_dev_test, checks-action_remark_test, checks-action_test |
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Build Fuchsia in CI This is very much in a draft state but I wanted to put it up now to get early feedback. It would also be nice if we could test it on actual CI builders. Fittingly, it is failing right now due to discovering an ICE in clippy (looks like fixed in rust-lang/rust-clippy#11760), probably more fallout from recent type system changes. Other recent regressions this would have caught include - rust-lang#117455 and rust-lang#117493 - rust-lang#117602 This ends up not sharing very much at all with cargotest. Fuchsia has its own tool to manage checkouts and its own build system. What it requires is a fully "install"ed toolchain with a host and fuchsia target. We share logic from the dist-various-2 builder to build the fuchsia target. Right now this runs clippy and skips linking a bunch of targets, since most issues we catch are in the frontend. In theory we could probably get the build CPU time down quite a bit with this approach, but right now some linked targets are creeping into the dependencies anyway and we don't have a good way of preventing that yet. The approach is basically to get a checkout at a pinned commit and then run a [script](https://fuchsia-review.git.corp.google.com/c/fuchsia/+/943833/6/scripts/rust/build_fuchsia_from_rust_ci.sh) at a predetermined location. I would like to update that pin every few weeks. For now we cherry-pick some build changes but that's temporary. Partial checkouts are used to minimize clone time, but we don't filter out prebuilt packages. r? `@Mark-Simulacrum` Based on discussion in [this Zulip thread](https://rust-lang.zulipchat.com/#narrow/stream/242791-t-infra/topic/Putting.20Fuchsia.20in.20crater).
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Build Fuchsia in CI This is very much in a draft state but I wanted to put it up now to get early feedback. It would also be nice if we could test it on actual CI builders. Fittingly, it is failing right now due to discovering an ICE in clippy (looks like fixed in rust-lang/rust-clippy#11760), probably more fallout from recent type system changes. Other recent regressions this would have caught include - rust-lang#117455 and rust-lang#117493 - rust-lang#117602 This ends up not sharing very much at all with cargotest. Fuchsia has its own tool to manage checkouts and its own build system. What it requires is a fully "install"ed toolchain with a host and fuchsia target. We share logic from the dist-various-2 builder to build the fuchsia target. Right now this runs clippy and skips linking a bunch of targets, since most issues we catch are in the frontend. In theory we could probably get the build CPU time down quite a bit with this approach, but right now some linked targets are creeping into the dependencies anyway and we don't have a good way of preventing that yet. The approach is basically to get a checkout at a pinned commit and then run a [script](https://fuchsia-review.git.corp.google.com/c/fuchsia/+/943833/6/scripts/rust/build_fuchsia_from_rust_ci.sh) at a predetermined location. I would like to update that pin every few weeks. For now we cherry-pick some build changes but that's temporary. Partial checkouts are used to minimize clone time, but we don't filter out prebuilt packages. r? `@Mark-Simulacrum` Based on discussion in [this Zulip thread](https://rust-lang.zulipchat.com/#narrow/stream/242791-t-infra/topic/Putting.20Fuchsia.20in.20crater).
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Build Fuchsia in CI This is very much in a draft state but I wanted to put it up now to get early feedback. It would also be nice if we could test it on actual CI builders. Fittingly, it is failing right now due to discovering an ICE in clippy (looks like fixed in rust-lang/rust-clippy#11760), probably more fallout from recent type system changes. Other recent regressions this would have caught include - rust-lang#117455 and rust-lang#117493 - rust-lang#117602 This ends up not sharing very much at all with cargotest. Fuchsia has its own tool to manage checkouts and its own build system. What it requires is a fully "install"ed toolchain with a host and fuchsia target. We share logic from the dist-various-2 builder to build the fuchsia target. Right now this runs clippy and skips linking a bunch of targets, since most issues we catch are in the frontend. In theory we could probably get the build CPU time down quite a bit with this approach, but right now some linked targets are creeping into the dependencies anyway and we don't have a good way of preventing that yet. The approach is basically to get a checkout at a pinned commit and then run a [script](https://fuchsia-review.git.corp.google.com/c/fuchsia/+/943833/6/scripts/rust/build_fuchsia_from_rust_ci.sh) at a predetermined location. I would like to update that pin every few weeks. For now we cherry-pick some build changes but that's temporary. Partial checkouts are used to minimize clone time, but we don't filter out prebuilt packages. r? `@Mark-Simulacrum` Based on discussion in [this Zulip thread](https://rust-lang.zulipchat.com/#narrow/stream/242791-t-infra/topic/Putting.20Fuchsia.20in.20crater).
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Build Fuchsia in CI This is very much in a draft state but I wanted to put it up now to get early feedback. It would also be nice if we could test it on actual CI builders. Fittingly, it is failing right now due to discovering an ICE in clippy (looks like fixed in rust-lang/rust-clippy#11760), probably more fallout from recent type system changes. Other recent regressions this would have caught include - rust-lang#117455 and rust-lang#117493 - rust-lang#117602 This ends up not sharing very much at all with cargotest. Fuchsia has its own tool to manage checkouts and its own build system. What it requires is a fully "install"ed toolchain with a host and fuchsia target. We share logic from the dist-various-2 builder to build the fuchsia target. Right now this runs clippy and skips linking a bunch of targets, since most issues we catch are in the frontend. In theory we could probably get the build CPU time down quite a bit with this approach, but right now some linked targets are creeping into the dependencies anyway and we don't have a good way of preventing that yet. The approach is basically to get a checkout at a pinned commit and then run a [script](https://fuchsia-review.git.corp.google.com/c/fuchsia/+/943833/6/scripts/rust/build_fuchsia_from_rust_ci.sh) at a predetermined location. I would like to update that pin every few weeks. For now we cherry-pick some build changes but that's temporary. Partial checkouts are used to minimize clone time, but we don't filter out prebuilt packages. r? `@Mark-Simulacrum` Based on discussion in [this Zulip thread](https://rust-lang.zulipchat.com/#narrow/stream/242791-t-infra/topic/Putting.20Fuchsia.20in.20crater).
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Build Fuchsia in CI This is very much in a draft state but I wanted to put it up now to get early feedback. It would also be nice if we could test it on actual CI builders. Fittingly, it is failing right now due to discovering an ICE in clippy (looks like fixed in rust-lang/rust-clippy#11760), probably more fallout from recent type system changes. Other recent regressions this would have caught include - rust-lang#117455 and rust-lang#117493 - rust-lang#117602 This ends up not sharing very much at all with cargotest. Fuchsia has its own tool to manage checkouts and its own build system. What it requires is a fully "install"ed toolchain with a host and fuchsia target. We share logic from the dist-various-2 builder to build the fuchsia target. Right now this runs clippy and skips linking a bunch of targets, since most issues we catch are in the frontend. In theory we could probably get the build CPU time down quite a bit with this approach, but right now some linked targets are creeping into the dependencies anyway and we don't have a good way of preventing that yet. The approach is basically to get a checkout at a pinned commit and then run a [script](https://fuchsia-review.git.corp.google.com/c/fuchsia/+/943833/6/scripts/rust/build_fuchsia_from_rust_ci.sh) at a predetermined location. I would like to update that pin every few weeks. For now we cherry-pick some build changes but that's temporary. Partial checkouts are used to minimize clone time, but we don't filter out prebuilt packages. r? `@Mark-Simulacrum` Based on discussion in [this Zulip thread](https://rust-lang.zulipchat.com/#narrow/stream/242791-t-infra/topic/Putting.20Fuchsia.20in.20crater).
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Build Fuchsia in CI Fittingly, when I first put this up it was failing due to discovering an ICE in clippy (looks like fixed in rust-lang/rust-clippy#11760), probably more fallout from recent type system changes. Other recent regressions this would have caught include - rust-lang#117455 and rust-lang#117493 - rust-lang#117602 Originally we discussed basing this on cargotest, but they ended up not sharing anything. Fuchsia has its own tool to manage checkouts and its own build system. What it requires is a fully "install"ed toolchain with a host and fuchsia target. We share logic from the dist-various-2 builder to build the fuchsia target. Right now this runs clippy and skips linking a bunch of targets, since most issues we catch are in the frontend. In theory we could probably get the build CPU time down quite a bit with this approach, but right now some linked targets are creeping into the dependencies anyway and we don't have a good way of preventing that yet. The approach is basically to get a checkout at a pinned commit and then run a [script](https://fuchsia-review.git.corp.google.com/c/fuchsia/+/943833/6/scripts/rust/build_fuchsia_from_rust_ci.sh) at a predetermined location. I would like to update that pin every few weeks. Partial checkouts are used to minimize clone time, but we don't filter out prebuilt packages. r? `@Mark-Simulacrum` Based on discussion in [this Zulip thread](https://rust-lang.zulipchat.com/#narrow/stream/242791-t-infra/topic/Putting.20Fuchsia.20in.20crater).
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…troalbini [beta] Clippy beta backport PR towards stable, as beta was branched a day early and I missed the notification. - rust-lang/rust-clippy#11538 - rust-lang/rust-clippy#11756 - rust-lang/rust-clippy#11760 - rust-lang/rust-clippy#11953 r? `@pietroalbini`
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…troalbini [beta] Clippy beta backport PR towards stable, as beta was branched a day early and I missed the notification. - rust-lang/rust-clippy#11538 - rust-lang/rust-clippy#11756 - rust-lang/rust-clippy#11760 - rust-lang/rust-clippy#11953 r? `@pietroalbini`
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Fixes an assertion that didn't make sense. Many valid and well-formed types have late-bound vars (e.g.
for<'a> fn(&'a ())), they just must not have escaping late-bound vars in order to be normalized correctly.Addresses #11230, cc @jyn514 and @matthiaskrgr
changelog: don't check for late-bound vars, check for escaping bound vars. Addresses #11230