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Don't eagerly convert principal to string #108162

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merged 1 commit into from
Feb 18, 2023
Merged

Don't eagerly convert principal to string #108162

merged 1 commit into from
Feb 18, 2023

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clubby789
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@clubby789 clubby789 commented Feb 17, 2023 •
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Fixes #108155

I haven't yet been able to reproduce the ICE in a minimal example unfortunately. Added a test

@clubby789 clubby789 marked this pull request as ready for review February 17, 2023 14:33
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rustbot commented Feb 17, 2023

r? @nagisa

(rustbot has picked a reviewer for you, use r? to override)

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Feb 17, 2023
Nilstrieb
Nilstrieb reviewed Feb 17, 2023
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compiler/rustc_lint/src/lints.rs
@@ -556,8 +556,7 @@ pub struct BuiltinUnexpectedCliConfigValue {
#[diag(lint_supertrait_as_deref_target)]
pub struct SupertraitAsDerefTarget<'a> {
pub t: Ty<'a>,
pub target_principal: String,
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Now I wonder whether it ever makes sense to store a String in a lint diagnostic or whether it would make more sense for the derive to error when it sees a String. Might be worth trying out and seeing what happens.

Nilstrieb
Nilstrieb reviewed Feb 17, 2023
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compiler/rustc_lint/src/lints.rs
@@ -556,8 +556,7 @@ pub struct BuiltinUnexpectedCliConfigValue {
#[diag(lint_supertrait_as_deref_target)]
pub struct SupertraitAsDerefTarget<'a> {
pub t: Ty<'a>,
pub target_principal: String,
// pub target_principal: Binder<'a, ExistentialTraitRef<'b>>,
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commented out code, on my master 😰

Nilstrieb
Nilstrieb approved these changes Feb 17, 2023
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r? Nilstrieb

r=me after CI is green

@rustbot rustbot assigned Nilstrieb and unassigned nagisa Feb 17, 2023
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@bors r+ rollup

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bors commented Feb 17, 2023

📌 Commit eebd31c has been approved by Nilstrieb

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Feb 17, 2023
@matthiaskrgr matthiaskrgr mentioned this pull request Feb 18, 2023
Merged
bors added a commit to rust-lang-ci/rust that referenced this pull request Feb 18, 2023
@bors
Auto merge of rust-lang#108211 - matthiaskrgr:rollup-e59onmm, r=matth…
3eb5c45 
…iaskrgr

Rollup of 6 pull requests

Successful merges:

 - rust-lang#108031 (Don't recover lifetimes/labels containing emojis as character literals)
 - rust-lang#108046 (Don't allow evaluating queries that were fed in a previous compiler run)
 - rust-lang#108162 (Don't eagerly convert principal to string)
 - rust-lang#108186 (Deny non-lifetime bound vars in `for<..> ||` closure binders)
 - rust-lang#108197 (Update cargo)
 - rust-lang#108205 (link to llvm changes that prompted the special cases)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 7f9d9de into rust-lang:master Feb 18, 2023
@rustbot rustbot added this to the 1.69.0 milestone Feb 18, 2023
@clubby789 clubby789 mentioned this pull request Feb 25, 2023
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@tmiasko tmiasko added the stable-nominated Nominated for backporting to the compiler in the stable channel. label Mar 10, 2023
@tmiasko tmiasko mentioned this pull request Mar 10, 2023
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apiraino commented Mar 15, 2023 •
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@tmiasko just to be sure I understand your intent: the stable backport nomination is intended as a theoretical 1.68.1 - correct? Otherwise I guess it would land automatically in the next beta then stable 1.69.0

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Yes, if a 1.68.1 happens (which is quite likely with the Windows rustc Incident) it would be included if the nomination is accepted.

@wesleywiser wesleywiser added the stable-accepted Accepted for backporting to the compiler in the stable channel. label Mar 16, 2023
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This was approved for stable backport in today's compiler team meeting.

@Mark-Simulacrum Mark-Simulacrum mentioned this pull request Mar 19, 2023
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@Mark-Simulacrum Mark-Simulacrum removed the stable-nominated Nominated for backporting to the compiler in the stable channel. label Mar 19, 2023
bors added a commit to rust-lang-ci/rust that referenced this pull request Mar 20, 2023
@bors
Auto merge of rust-lang#109335 - Mark-Simulacrum:stable-next, r=Mark-…
8460ca8 
…Simulacrum

[stable] 1.68.1 release

This packages up a set of release notes, version bump, and backports of:

* Don't eagerly convert principal to string rust-lang#108162
*  Revert "enable ThinLTO for rustc on x86_64-pc-windows-msvc dist builds" rust-lang#109094
*  Create dirs for build_triple rust-lang#109111
*  Fix linker detection for clang with prefix rust-lang#109156
*  ci: use apt install --download-only for solaris debs rust-lang#108951

The last of those is not yet stable-accepted but I expect it to be, we will drop it and rebuild artifacts if we don't actually approve it.

r? `@Mark-Simulacrum`
@Mark-Simulacrum Mark-Simulacrum modified the milestones: 1.69.0, 1.68.1 Mar 22, 2023
@ilya-bobyr ilya-bobyr mentioned this pull request Mar 24, 2023
Merged
netbsd-srcmastr pushed a commit to NetBSD/pkgsrc that referenced this pull request Apr 8, 2023
@he32
rust: Upgrade to version 1.68.2.
114ff56 
Pkgsrc changes:
 * Adjust patches (add & remove) and cargo checksums to new versions.
 * It's conceivable that the workaround for LLVM based NetBSD works
   even less in this version (ref. PKGSRC_HAVE_LIBCPP not having a
   corresponding patch anymore).

Upstream changes:

Version 1.68.2 (2023-03-28)
===========================

- [Update the GitHub RSA host key bundled within Cargo]
  (rust-lang/cargo#11883).
  The key was [rotated by GitHub]
  (https://github.blog/2023-03-23-we-updated-our-rsa-ssh-host-key/)
  on 2023-03-24 after the old one leaked.
- [Mark the old GitHub RSA host key as revoked]
  (rust-lang/cargo#11889).
  This will prevent Cargo from accepting the leaked key even when
  trusted by the system.
- [Add support for `@revoked` and a better error message for
  `@cert-authority` in Cargo's SSH host key verification]
  (rust-lang/cargo#11635)

Version 1.68.1 (2023-03-23)
===========================

- [Fix miscompilation in produced Windows MSVC artifacts]
  (rust-lang/rust#109094)
  This was introduced by enabling ThinLTO for the distributed rustc
  which led to miscompilations in the resulting binary. Currently
  this is believed to be limited to the -Zdylib-lto flag used for
  rustc compilation, rather than a general bug in ThinLTO, so only
  rustc artifacts should be affected.
- [Fix --enable-local-rust builds]
  (rust-lang/rust#109111)
- [Treat `$prefix-clang` as `clang` in linker detection code]
  (rust-lang/rust#109156)
- [Fix panic in compiler code]
  (rust-lang/rust#108162)

Version 1.68.0 (2023-03-09)
===========================

Language
--------

- [Stabilize default_alloc_error_handler]
  (rust-lang/rust#102318)
  This allows usage of `alloc` on stable without requiring the
  definition of a handler for allocation failure. Defining custom
  handlers is still unstable.
- [Stabilize `efiapi` calling convention.]
  (rust-lang/rust#105795)
- [Remove implicit promotion for types with drop glue]
  (rust-lang/rust#105085)

Compiler
--------

- [Change `bindings_with_variant_name` to deny-by-default]
  (rust-lang/rust#104154)
- [Allow .. to be parsed as let initializer]
  (rust-lang/rust#105701)
- [Add `armv7-sony-vita-newlibeabihf` as a tier 3 target]
  (rust-lang/rust#105712)
- [Always check alignment during compile-time const evaluation]
  (rust-lang/rust#104616)
- [Disable "split dwarf inlining" by default.]
  (rust-lang/rust#106709)
- [Add vendor to Fuchsia's target triple]
  (rust-lang/rust#106429)
- [Enable sanitizers for s390x-linux]
  (rust-lang/rust#107127)

Libraries
---------

- [Loosen the bound on the Debug implementation of Weak.]
  (rust-lang/rust#90291)
- [Make `std::task::Context` !Send and !Sync]
  (rust-lang/rust#95985)
- [PhantomData layout guarantees]
  (rust-lang/rust#104081)
- [Don't derive Debug for `OnceWith` & `RepeatWith`]
  (rust-lang/rust#104163)
- [Implement DerefMut for PathBuf]
  (rust-lang/rust#105018)
- [Add O(1) `Vec -> VecDeque` conversion guarantee]
  (rust-lang/rust#105128)
- [Leak amplification for peek_mut() to ensure BinaryHeap's invariant
  is always met]
  (rust-lang/rust#105851)

Stabilized APIs
---------------

- [`{core,std}::pin::pin!`]
  (https://doc.rust-lang.org/stable/std/pin/macro.pin.html)
- [`impl From<bool> for {f32,f64}`]
  (https://doc.rust-lang.org/stable/std/primitive.f32.html#impl-From%3Cbool%3E-for-f32)
- [`std::path::MAIN_SEPARATOR_STR`]
  (https://doc.rust-lang.org/stable/std/path/constant.MAIN_SEPARATOR_STR.html)
- [`impl DerefMut for PathBuf`]
  (https://doc.rust-lang.org/stable/std/path/struct.PathBuf.html#impl-DerefMut-for-PathBuf)

These APIs are now stable in const contexts:

- [`VecDeque::new`]
  (https://doc.rust-lang.org/stable/std/collections/struct.VecDeque.html#method.new)

Cargo
-----

- [Stabilize sparse registry support for crates.io]
  (rust-lang/cargo#11224)
- [`cargo build --verbose` tells you more about why it recompiles.]
  (rust-lang/cargo#11407)
- [Show progress of crates.io index update even `net.git-fetch-with-cli`
  option enabled]
  (rust-lang/cargo#11579)

Misc
----

Compatibility Notes
-------------------

- [Add `SEMICOLON_IN_EXPRESSIONS_FROM_MACROS` to future-incompat report]
  (rust-lang/rust#103418)
- [Only specify `--target` by default for `-Zgcc-ld=lld` on wasm]
  (rust-lang/rust#101792)
- [Bump `IMPLIED_BOUNDS_ENTAILMENT` to Deny + ReportNow]
  (rust-lang/rust#106465)
- [`std::task::Context` no longer implements Send and Sync]
  (rust-lang/rust#95985)

nternal Changes
----------------

These changes do not affect any public interfaces of Rust, but they represent
significant improvements to the performance or internals of rustc and related
tools.

- [Encode spans relative to the enclosing item]
  (rust-lang/rust#84762)
- [Don't normalize in AstConv]
  (rust-lang/rust#101947)
- [Find the right lower bound region in the scenario of partial order relations]
  (rust-lang/rust#104765)
- [Fix impl block in const expr]
  (rust-lang/rust#104889)
- [Check ADT fields for copy implementations considering regions]
  (rust-lang/rust#105102)
- [rustdoc: simplify JS search routine by not messing with lev distance]
  (rust-lang/rust#105796)
- [Enable ThinLTO for rustc on `x86_64-pc-windows-msvc`]
  (rust-lang/rust#103591)
- [Enable ThinLTO for rustc on `x86_64-apple-darwin`]
  (rust-lang/rust#103647)

Version 1.67.0 (2023-01-26)
==========================

Language
--------

- [Make `Sized` predicates coinductive, allowing cycles.]
  (rust-lang/rust#100386)
- [`#[must_use]` annotations on `async fn` also affect the
  `Future::Output`.] (rust-lang/rust#100633)
- [Elaborate supertrait obligations when deducing closure signatures.]
  (rust-lang/rust#101834)
- [Invalid literals are no longer an error under `cfg(FALSE)`.]
  (rust-lang/rust#102944)
- [Unreserve braced enum variants in value namespace.]
  (rust-lang/rust#103578)

Compiler
--------

- [Enable varargs support for calling conventions other than `C`
  or `cdecl`.] (rust-lang/rust#97971)
- [Add new MIR constant propagation based on dataflow analysis.]
  (rust-lang/rust#101168)
- [Optimize field ordering by grouping m\*2^n-sized fields with
  equivalently aligned ones.] (rust-lang/rust#102750)
- [Stabilize native library modifier `verbatim`.]
  (rust-lang/rust#104360)

Added and removed targets:

- [Add a tier 3 target for PowerPC on AIX]
  (rust-lang/rust#102293), `powerpc64-ibm-aix`.
- [Add a tier 3 target for the Sony PlayStation 1]
  (rust-lang/rust#102689), `mipsel-sony-psx`.
- [Add tier 3 `no_std` targets for the QNX Neutrino RTOS]
  (rust-lang/rust#102701),
  `aarch64-unknown-nto-qnx710` and `x86_64-pc-nto-qnx710`.
- [Remove tier 3 `linuxkernel` targets]
  (rust-lang/rust#104015) (not used by the
  actual kernel).

Refer to Rust's [platform support page][platform-support-doc]
for more information on Rust's tiered platform support.

Libraries
---------

- [Merge `crossbeam-channel` into `std::sync::mpsc`.]
  (rust-lang/rust#93563)
- [Fix inconsistent rounding of 0.5 when formatted to 0 decimal places.]
  (rust-lang/rust#102935)
- [Derive `Eq` and `Hash` for `ControlFlow`.]
  (rust-lang/rust#103084)
- [Don't build `compiler_builtins` with `-C panic=abort`.]
  (rust-lang/rust#103786)

Stabilized APIs
---------------

- [`{integer}::checked_ilog`]
  (https://doc.rust-lang.org/stable/std/primitive.i32.html#method.checked_ilog)
- [`{integer}::checked_ilog2`]
  (https://doc.rust-lang.org/stable/std/primitive.i32.html#method.checked_ilog2)
- [`{integer}::checked_ilog10`]
  (https://doc.rust-lang.org/stable/std/primitive.i32.html#method.checked_ilog10)
- [`{integer}::ilog`]
  (https://doc.rust-lang.org/stable/std/primitive.i32.html#method.ilog)
- [`{integer}::ilog2`]
  (https://doc.rust-lang.org/stable/std/primitive.i32.html#method.ilog2)
- [`{integer}::ilog10`]
  (https://doc.rust-lang.org/stable/std/primitive.i32.html#method.ilog10)
- [`NonZeroU*::ilog2`]
  (https://doc.rust-lang.org/stable/std/num/struct.NonZeroU32.html#method.ilog2)
- [`NonZeroU*::ilog10`]
  (https://doc.rust-lang.org/stable/std/num/struct.NonZeroU32.html#method.ilog10)
- [`NonZero*::BITS`]
  (https://doc.rust-lang.org/stable/std/num/struct.NonZeroU32.html#associatedconstant.BITS)

These APIs are now stable in const contexts:

- [`char::from_u32`]
  (https://doc.rust-lang.org/stable/std/primitive.char.html#method.from_u32)
- [`char::from_digit`]
  (https://doc.rust-lang.org/stable/std/primitive.char.html#method.from_digit)
- [`char::to_digit`]
  (https://doc.rust-lang.org/stable/std/primitive.char.html#method.to_digit)
- [`core::char::from_u32`]
  (https://doc.rust-lang.org/stable/core/char/fn.from_u32.html)
- [`core::char::from_digit`]
  (https://doc.rust-lang.org/stable/core/char/fn.from_digit.html)

Compatibility Notes
-------------------

- [The layout of `repr(Rust)` types now groups m\*2^n-sized fields
  with equivalently aligned ones.]
  (rust-lang/rust#102750) This is intended
  to be an optimization, but it is also known to increase type
  sizes in a few cases for the placement of enum tags. As a reminder,
  the layout of `repr(Rust)` types is an implementation detail,
  subject to change.
- [0.5 now rounds to 0 when formatted to 0 decimal places.]
  (rust-lang/rust#102935)
  This makes it consistent with the rest of floating point formatting that
  rounds ties toward even digits.
- [Chains of `&&` and `||` will now drop temporaries from their
  sub-expressions in evaluation order, left-to-right.]
  (rust-lang/rust#103293) Previously, it
  was "twisted" such that the _first_ expression dropped its
  temporaries _last_, after all of the other expressions dropped
  in order.
- [Underscore suffixes on string literals are now a hard error.]
  (rust-lang/rust#103914)
  This has been a future-compatibility warning since 1.20.0.
- [Stop passing `-export-dynamic` to `wasm-ld`.]
  (rust-lang/rust#105405)
- [`main` is now mangled as `__main_void` on `wasm32-wasi`.]
  (rust-lang/rust#105468)
- [Cargo now emits an error if there are multiple registries in
  the configuration with the same index URL.]
  (rust-lang/cargo#10592)

Internal Changes
----------------

These changes do not affect any public interfaces of Rust, but they
represent significant improvements to the performance or internals
of rustc and related tools.

- [Rewrite LLVM's archive writer in Rust.]
  (rust-lang/rust#97485)
@chenyukang chenyukang mentioned this pull request Mar 2, 2024
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ICE: trimmed_def_paths constructed but no error emitted
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@clubby789 @rustbot @Nilstrieb @bors @apiraino @wesleywiser @compiler-errors @nagisa @Mark-Simulacrum @tmiasko