Rollup of 7 pull requests #60435
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Rollup of 7 pull requests #60435
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If we have a borrow that has to live for `'static` we need to check for any regions in incompatible universes when trying to find the cause.
Use references for variances_of Based on rust-lang#60280. cc @varkor r? @eddyb
…-lbl, r=nikomatsakis Search for incompatible universes in borrow errors If we have a borrow that has to live for `'static` we need to check for any regions in incompatible universes when trying to find the cause. closes rust-lang#60274
…, r=estebank Suggest using an inclusive range instead of an exclusive range when the endpoint overflows by 1 Fixes rust-lang#47213.
build-gcc: Create missing cc symlink
This PR mostly fixes build error caused by using rustc docker images
to build [rustup][1] (with the error: ``linker `cc` not found``).
I don't know why gcc build script doesn't install cc hard link by default.
In build log, with `make SHELL='sh -x' install`, gcc build script installs c++
hard link but not `cc` one:
```bash
if test "" != "yes" ; then \
rm -f /rustroot/bin/g++; \
/usr/bin/install -c xg++ /rustroot/bin/g++; \
chmod a+x /rustroot/bin/g++; \
rm -f /rustroot/bin/c++; \
( cd /rustroot/bin && \
ln g++ c++ ); \
if [ -f cc1plus ] ; then \
if [ ! -f g++-cross ] ; then \
rm -f /rustroot/bin/x86_64-unknown-linux-gnu-g++; \
( cd /rustroot/bin && \
ln g++ x86_64-unknown-linux-gnu-g++ ); \
rm -f /rustroot/bin/x86_64-unknown-linux-gnu-c++; \
( cd /rustroot/bin && \
ln c++ x86_64-unknown-linux-gnu-c++ ); \
fi ; \
fi; \
fi
```
This might be fixed downstream by manually creating cc hard link
or setting `RUSTFLAGS="-C linker=gcc"` as [suggested by @mati865][2].
But I find it better to fix it upstream in this PR.
[1]: rust-lang/rustup#1815
[2]: rust-lang/rustup#1815 (comment)
Support ZSTs in DispatchFromDyn Allows to use ZSTs with 1 byte alignment in `DispatchFromDyn` implementation. This is required for `Box<T, A: Alloc>` cc rust-lang#58457
…ackler Implement `BorrowMut<str>` for `String` Closes rust-lang/rfcs#1282.
…-drop-temps, r=oli-obk Rename hir::ExprKind::Use to ::DropTemps and improve docs. Addresses rust-lang#60225 (comment). r? @oli-obk cc @eddyb @Manishearth
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@bors r+ p=8 |
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📌 Commit e5b6997 has been approved by |
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⌛ Testing commit e5b6997 with merge fa13ddbdde52a64e4b5a7be039a933546c15f976... |
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💔 Test failed - checks-travis |
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The job Click to expand the log.I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact |
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@bors retry |
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⌛ Testing commit e5b6997 with merge 169da6f8277abc1f84411e5fbeee3e8cc380bcff... |
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💔 Test failed - checks-travis |
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The job Click to expand the log.I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact |
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spurious network error? |
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@bors retry |
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Rollup of 7 pull requests Successful merges: - #60287 (Use references for variances_of) - #60327 (Search for incompatible universes in borrow errors) - #60330 (Suggest using an inclusive range instead of an exclusive range when the endpoint overflows by 1) - #60366 (build-gcc: Create missing cc symlink) - #60369 (Support ZSTs in DispatchFromDyn) - #60404 (Implement `BorrowMut<str>` for `String`) - #60417 (Rename hir::ExprKind::Use to ::DropTemps and improve docs.) Failed merges: r? @ghost
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☀️ Test successful - checks-travis, status-appveyor |
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📣 Toolstate changed by #60435! Tested on commit 9b67bd4. 💔 clippy-driver on windows: test-pass → build-fail (cc @Manishearth @llogiq @mcarton @oli-obk @phansch, @rust-lang/infra). |
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Tested on commit rust-lang/rust@9b67bd4. Direct link to PR: <rust-lang/rust#60435> 💔 clippy-driver on windows: test-pass → build-fail (cc @Manishearth @llogiq @mcarton @oli-obk @phansch, @rust-lang/infra). 💔 clippy-driver on linux: test-pass → build-fail (cc @Manishearth @llogiq @mcarton @oli-obk @phansch, @rust-lang/infra). 💔 rls on windows: test-fail → build-fail (cc @Xanewok, @rust-lang/infra). 💔 rls on linux: test-fail → build-fail (cc @Xanewok, @rust-lang/infra). 💔 edition-guide on windows: test-pass → test-fail (cc @ehuss @Centril @steveklabnik, @rust-lang/infra). 💔 edition-guide on linux: test-pass → test-fail (cc @ehuss @Centril @steveklabnik, @rust-lang/infra).
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@ehuss Can you take a look at the edition guide test failure perhaps? |
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@Centril @varkor I don't fully understand #60330. The following example: fn takes_u8(x: u8) {
// ...
}
fn main() {
for i in 0..256 {
println!("i: {}", i);
takes_u8(i);
}
}Previously it was an error (literal out of range). On latest master, it builds, but produces no output. Removing the call to |
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@ehuss: that shouldn't build. It should produce the same error as before, but with an additional instruction. I'll investigate.
Because without specifying that the integer is |
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I've opened up #60459 specifically for this issue. Thanks for spotting it. |
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Successful merges:
BorrowMut<str>forString#60404 (ImplementBorrowMut<str>forString)Failed merges:
r? @ghost