Auto merge of #17259 - lnicola:sync-from-rust, r=lnicola

internal: Sync from downstream

.editorconfig

@@ -1,17 +1,27 @@
-# https://EditorConfig.org
+# EditorConfig helps developers define and maintain consistent
+# coding styles between different editors and IDEs
+# editorconfig.org
+
 root = true
 
 [*]
+end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
-end_of_line = lf
 insert_final_newline = true
 indent_style = space
 indent_size = 4
+
+[*.rs]
 max_line_length = 100
 
 [*.md]
-indent_size = 2
+# double whitespace at end of line
+# denotes a line break in Markdown
+trim_trailing_whitespace = false
 
-[*.{yml, yaml}]
+[*.yml]
 indent_size = 2
+
+[Makefile]
+indent_style = tab

.git-blame-ignore-revs

@@ -1,8 +1,25 @@
-# for this file to take effect make sure you use git ^2.23 and
-# add ignoreFile to your git configuration:
-# ```
-# git config --global blame.ignoreRevsFile .git-blame-ignore-revs
-# ```
+# Use `git config blame.ignorerevsfile .git-blame-ignore-revs` to make `git blame` ignore the following commits.
 
-# prettier format
-f247090558c9ba3c551566eae5882b7ca865225f
+# format the world
+a06baa56b95674fc626b3c3fd680d6a65357fe60
+# format libcore
+95e00bfed801e264e9c4ac817004153ca0f19eb6
+# reformat with new rustfmt
+971c549ca334b7b7406e61e958efcca9c4152822
+# refactor infcx building
+283abbf0e7d20176f76006825b5c52e9a4234e4c
+# format libstd/sys
+c34fbfaad38cf5829ef5cfe780dc9d58480adeaa
+# move tests
+cf2dff2b1e3fa55fa5415d524200070d0d7aacfe
+# Run rustfmt on bootstrap
+b39a1d6f1a30ba29f25d7141038b9a5bf0126e36
+# reorder fluent message files
+f97fddab91fbf290ea5b691fe355d6f915220b6e
+# format let-else
+cc907f80b95c6ec530c5ee1b05b044a468f07eca
+# format let-chains
+b2d2184edea578109a48ec3d8decbee5948e8f35
+# test directives migration
+6e48b96692d63a79a14563f27fe5185f122434f8
+ec2cc761bc7067712ecc7734502f703fe3b024c8

.gitattributes

@@ -1,9 +1,17 @@
-* text=auto eol=lf
+[attr]rust text eol=lf whitespace=tab-in-indent,trailing-space,tabwidth=4
 
-# git grep shouldn't match entries in this benchmark data
-bench_data/** binary
+* text=auto eol=lf
+*.cpp rust
+*.h rust
+*.rs rust diff=rust
+*.fixed linguist-language=Rust
+*.mir linguist-language=Rust
+src/etc/installer/gfx/* binary
+src/vendor/** -text
+Cargo.lock linguist-generated=false
 
-# Older git versions try to fix line endings on images, this prevents it.
+# Older git versions try to fix line endings on images and fonts, this prevents it.
 *.png binary
-*.jpg binary
 *.ico binary
+*.woff binary
+*.woff2 binary

.github/ISSUE_TEMPLATE/blank_issue.md

@@ -0,0 +1,4 @@
+---
+name: Blank Issue
+about: Create a blank issue.
+---

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,35 +1,44 @@
 ---
-name: Bug report
-about: Create a bug report for rust-analyzer.
-title: ''
-labels: 'C-bug'
-assignees: ''
-
+name: Bug Report
+about: Create a bug report for Rust.
+labels: C-bug
 ---
-
 <!--
-Troubleshooting guide: https://rust-analyzer.github.io/manual.html#troubleshooting
-Forum for questions: https://users.rust-lang.org/c/ide/14
-
-Before submitting, please make sure that you're not running into one of these known issues:
-
- 1. on-the-fly diagnostics are mostly unimplemented (`cargo check` diagnostics will be shown when saving a file): #3107
-
-Otherwise please try to provide information which will help us to fix the issue faster. Minimal reproducible examples with few dependencies are especially lovely <3.
+Thank you for filing a bug report! 🐛 Please provide a short summary of the bug,
+along with any information you feel relevant to replicating the bug.
 -->
 
-**rust-analyzer version**: (eg. output of "rust-analyzer: Show RA Version" command, accessible in VSCode via <kbd>Ctrl/⌘</kbd>+<kbd>Shift</kbd>+<kbd>P</kbd>)
+I tried this code:
 
-**rustc version**: (eg. output of `rustc -V`)
+```rust
+<code>
+```
 
-**editor or extension**: (eg. VSCode, Vim, Emacs, etc. For VSCode users, specify your extension version; for users of other editors, provide the distribution if applicable)
+I expected to see this happen: *explanation*
 
-**relevant settings**: (eg. client settings, or environment variables like `CARGO`, `RUSTC`, `RUSTUP_HOME` or `CARGO_HOME`)
+Instead, this happened: *explanation*
 
-**repository link (if public, optional)**: (eg. [rust-analyzer](https://github.com/rust-lang/rust-analyzer))
+### Meta
+<!--
+If you're using the stable version of the compiler, you should also check if the
+bug also exists in the beta or nightly versions.
+-->
 
-**code snippet to reproduce**: 
-```rust
-// add your code here
+`rustc --version --verbose`:
+```
+<version>
+```
+
+<!--
+Include a backtrace in the code block by setting `RUST_BACKTRACE=1` in your
+environment. E.g. `RUST_BACKTRACE=1 cargo build`.
+-->
+<details><summary>Backtrace</summary>
+<p>
 
 ```
+<backtrace>
+```
+
+</p>
+</details>

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,11 @@
+blank_issues_enabled: true
+contact_links:
+  - name: Question
+    url: https://users.rust-lang.org
+    about: Please ask and answer questions about Rust on the user forum.
+  - name: Feature Request
+    url: https://internals.rust-lang.org/
+    about: Please discuss language feature requests on the internals forum.
+  - name: Clippy Bug
+    url: https://github.com/rust-lang/rust-clippy/issues/new/choose
+    about: Please report Clippy bugs such as false positives in the Clippy repo.

.github/ISSUE_TEMPLATE/diagnostics.yaml

@@ -0,0 +1,78 @@
+name: Diagnostic issue
+description: Create a bug report or feature request for a change to `rustc`'s error output
+labels: ["A-diagnostics", "T-compiler"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thank you for filing a diagnostics bug report! 🐛
+
+        Please provide a short summary of the bug, along with any information you feel relevant to replicating the bug.
+
+        If you cannot produce a minimal reproduction case (something that would work in isolation), please provide the steps or even link to a repository that causes the problematic output to occur.
+  - type: textarea
+    id: code
+    attributes:
+      label: Code
+      description: Please provide code that can reproduce the problem
+      placeholder: code
+      render: Rust
+    validations:
+      required: true
+  - type: textarea
+    id: output
+    attributes:
+      label: Current output
+      description: Please provide the `rustc` output you see
+      placeholder: rustc output
+      render: Shell
+    validations:
+      required: true
+  - type: textarea
+    id: desired-output
+    attributes:
+      label: Desired output
+      description: Please provide what the output *should* be
+      placeholder: proposed output
+      render: Shell
+    validations:
+      required: false
+  - type: textarea
+    id: rationale
+    attributes:
+      label: Rationale and extra context
+      description: If the problem is not self-explanatory, please provide a rationale for the change.
+    validations:
+      required: false
+  - type: textarea
+    id: other-output
+    attributes:
+      label: Other cases
+      description: If dramatically different output is caused by small changes, consider also adding them here.
+      render: Rust
+    validations:
+      required: false
+  - type: textarea
+    id: version
+    attributes:
+      label: Rust Version
+      description: Please provide the `rustc` version, `rustc --version --verbose`. Make sure that you're using the latest version of the compiler, and not an outdated stable or nightly release!
+      placeholder: |
+        $ rustc --version --verbose
+        rustc 1.XX.Y (SHORTHASH DATE)
+        binary: rustc
+        commit-hash: LONGHASHVALUE
+        commit-date: DATE
+        host: PLATFORMTRIPLE
+        release: 1.XX.Y
+        LLVM version: XX.YY.ZZ
+      render: Shell
+    validations:
+      required: true
+  - type: textarea
+    id: extra
+    attributes:
+      label: Anything else?
+      description: If you have more details you want to give us to reproduce this issue, please add it here
+    validations:
+      required: false

.github/ISSUE_TEMPLATE/documentation.yaml

@@ -0,0 +1,38 @@
+name: Documentation problem
+description: Create a report for a documentation problem.
+labels: ["A-docs"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thank you for finding a documentation problem! 📚
+
+        Documentation problems might be grammatical issues, typos, or unclear wording, please provide details regarding the documentation including where it is present.
+
+        Note: If your issue is for one of these, please use their dedicated issue tracker instead:
+        - [The Rust Book](https://github.com/rust-lang/book/issues)
+        - [Rust by Example](https://github.com/rust-lang/rust-by-example/issues)
+        - [The Edition Guide](https://github.com/rust-lang/edition-guide/issues)
+        - [The Cargo Book](https://github.com/rust-lang/cargo/issues)
+        - [The Clippy Book](https://github.com/rust-lang/rust-clippy/issues)
+        - [The Reference](https://github.com/rust-lang/reference/issues)
+        - [The Rustonomicon](https://github.com/rust-lang/nomicon/issues)
+        - [The Embedded Book](https://github.com/rust-embedded/book/issues)
+
+        All other documentation issues should be filed here.
+
+        Or, if you find an issue related to rustdoc (e.g. doctest, rustdoc UI), please use the bug report or blank issue template instead.
+
+  - type: textarea
+    id: location
+    attributes:
+      label: Location
+    validations:
+      required: true 
+
+  - type: textarea
+    id: summary
+    attributes:
+      label: Summary
+    validations:
+      required: true 

.github/ISSUE_TEMPLATE/ice.md

@@ -0,0 +1,49 @@
+---
+name: Internal Compiler Error
+about: Create a report for an internal compiler error in rustc.
+labels: C-bug, I-ICE, T-compiler
+---
+<!--
+Thank you for finding an Internal Compiler Error! 🧊  If possible, try to provide
+a minimal verifiable example. You can read "Rust Bug Minimization Patterns" for
+how to create smaller examples.
+http://blog.pnkfx.org/blog/2019/11/18/rust-bug-minimization-patterns/
+-->
+
+### Code
+
+```Rust
+<code>
+```
+
+
+### Meta
+<!--
+If you're using the stable version of the compiler, you should also check if the
+bug also exists in the beta or nightly versions.
+-->
+
+`rustc --version --verbose`:
+```
+<version>
+```
+
+### Error output
+
+```
+<output>
+```
+
+<!--
+Include a backtrace in the code block by setting `RUST_BACKTRACE=1` in your
+environment. E.g. `RUST_BACKTRACE=1 cargo build`.
+-->
+<details><summary><strong>Backtrace</strong></summary>
+<p>
+
+```
+<backtrace>
+```
+
+</p>
+</details>