|
| 1 | +--- |
| 2 | +tags: weekly, rustc |
| 3 | +type: docs |
| 4 | +note_id: 68SAwhUVRmC5oPTrsheiBg |
| 5 | +--- |
| 6 | + |
| 7 | +# T-compiler Meeting Agenda 2024-09-05 |
| 8 | + |
| 9 | +## Announcements |
| 10 | + |
| 11 | +- Today Rust stable release 1.81. [Blog post](https://github.com/Mark-Simulacrum/blog.rust-lang.org/blob/1.81/posts/2024-09-05-Rust-1.81.0.md) |
| 12 | +- Draft blog post for the election of the Project Directors (PDs): https://github.com/rust-lang/blog.rust-lang.org/blob/fb8299d3dd4d42eb928442115a8a730889c466bb/posts/inside-rust/2024-09-04-electing-new-project-directors.md |
| 13 | +- Draft blog post about upcoming changes in WASM targets : https://github.com/rust-lang/blog.rust-lang.org/pull/1385 |
| 14 | + - Context: https://github.com/rust-lang/rust/pull/128511 |
| 15 | + - after a cursory review from t-compiler (thanks!), we can set a date for publishing |
| 16 | +- Reminder: if you see a PR/issue that seems like there might be legal implications due to copyright/IP/etc, please let us know (or at least message @_**davidtwco** or @_**Wesley Wiser** so we can pass it along). |
| 17 | + |
| 18 | +### Other WG meetings |
| 19 | +- Types Team: ITE (Impl Trait Everywhere) Triage <time:2024-09-05T22:00:00+01:00> |
| 20 | +- wg-rust-analyzer steering meeting on Zulip (https://rust-lang.zulipchat.com/#narrow/stream/185405-t-compiler.2Fwg-rls-2.2E0/topic/Steering.20meeting) <time:2024-09-06T17:00:00+01:00> |
| 21 | +- wg-macros triage meeting Zulip (https://rust-lang.zulipchat.com/#narrow/stream/410876-wg-macros.2Ftriage) <time:2024-09-06T18:00:00+01:00> |
| 22 | + |
| 23 | +## MCPs/FCPs |
| 24 | + |
| 25 | +- New MCPs (take a look, see if you like them!) |
| 26 | + - "Add `evex512` target feature for AVX10" [compiler-team#778](https://github.com/rust-lang/compiler-team/issues/778) ([Zulip](https://rust-lang.zulipchat.com/#narrow/stream/233931-xxx/topic/Add.20.60evex512.60.20target.20feature.20for.20AVX10.20compiler-team.23778)) |
| 27 | + - "mark some target features as 'forbidden' so they cannot be (un)set with -Ctarget-feature" [compiler-team#780](https://github.com/rust-lang/compiler-team/issues/780) ([Zulip](https://rust-lang.zulipchat.com/#narrow/stream/233931-xxx/topic/mark.20some.20target.20features.20as.20.27forbidden.27.20.E2.80.A6.20compiler-team.23780)) |
| 28 | +- Old MCPs (stale MCP might be closed as per [MCP procedure](https://forge.rust-lang.org/compiler/mcp.html#when-should-major-change-proposals-be-closed)) |
| 29 | + - None at this time |
| 30 | +- Old MCPs (not seconded, take a look) |
| 31 | + - "Target families for executable format" [compiler-team#716](https://github.com/rust-lang/compiler-team/issues/716) ([Zulip](https://rust-lang.zulipchat.com/#narrow/stream/233931-xxx/topic/Target.20families.20for.20executable.20format.20compiler-team.23716)) (last review activity: 7 months ago) |
| 32 | + - "Add Hotpatch flag" [compiler-team#745](https://github.com/rust-lang/compiler-team/issues/745) ([Zulip](https://rust-lang.zulipchat.com/#narrow/stream/233931-xxx/topic/Add.20Hotpatch.20flag.20compiler-team.23745)) (last review activity: 3 months ago) |
| 33 | + - "Opt-in flag for absolute paths in diagnostics" [compiler-team#770](https://github.com/rust-lang/compiler-team/issues/770) ([Zulip](https://rust-lang.zulipchat.com/#narrow/stream/233931-xxx/topic/Opt-in.20flag.20for.20absolute.20paths.20in.20diagnos.E2.80.A6.20compiler-team.23770)) (last review activity: about 20 days ago) |
| 34 | +- Pending FCP requests (check your boxes!) |
| 35 | + - "sanitizers: Stabilize AddressSanitizer and LeakSanitizer for the Tier 1 targets" [rust#123617](https://github.com/rust-lang/rust/pull/123617) |
| 36 | + - "Add `--print host-triple` to print host target triple" [rust#125579](https://github.com/rust-lang/rust/pull/125579) |
| 37 | +- Things in FCP (make sure you're good with it) |
| 38 | + - "Don't track `--emit=` options as part of crate SVH" [compiler-team#769](https://github.com/rust-lang/compiler-team/issues/769) ([Zulip](https://rust-lang.zulipchat.com/#narrow/stream/233931-xxx/topic/Don.27t.20track.20.60--emit.3D.60.20options.20as.20part.20of.20.E2.80.A6.20compiler-team.23769)) |
| 39 | + - "`--hint-msrv=version` option so the compiler can take MSRV into account when linting" [compiler-team#772](https://github.com/rust-lang/compiler-team/issues/772) ([Zulip](https://rust-lang.zulipchat.com/#narrow/stream/233931-xxx/topic/.60-C.20msrv.3Dversion.60.20option.20so.20the.20compiler.20.E2.80.A6.20compiler-team.23772)) |
| 40 | + - "Deprecate `-Csoft-float`" [compiler-team#779](https://github.com/rust-lang/compiler-team/issues/779) ([Zulip](https://rust-lang.zulipchat.com/#narrow/stream/233931-xxx/topic/Deprecate.20.60-Csoft-float.60.20compiler-team.23779)) |
| 41 | + - "const-eval interning: accept interior mutable pointers in final value" [rust#128543](https://github.com/rust-lang/rust/pull/128543) |
| 42 | + - "Don't warn empty branches unreachable for now" [rust#129103](https://github.com/rust-lang/rust/pull/129103) |
| 43 | +- Accepted MCPs |
| 44 | + - No new accepted proposals this time. |
| 45 | +- MCPs blocked on unresolved concerns |
| 46 | + - "Add hygiene attributes to compile expanded source code" [compiler-team#692](https://github.com/rust-lang/compiler-team/issues/692) ([Zulip](https://rust-lang.zulipchat.com/#narrow/stream/233931-xxx/topic/Add.20option.20to.20compile.20expanded.20ASTs.20for.20h.E2.80.A6.20compiler-team.23692)) (last review activity: 7 months ago) |
| 47 | + - concern: [added-complexity-to-frontend](https://github.com/rust-lang/compiler-team/issues/692#issuecomment-1845169318) |
| 48 | + - "Add a new `--build-id` flag to rustc" [compiler-team#635](https://github.com/rust-lang/compiler-team/issues/635) ([Zulip](https://rust-lang.zulipchat.com/#narrow/stream/233931-xxx/topic/Add.20a.20new.20.60--build-id.60.20flag.20to.20rustc.20compiler-team.23635)) |
| 49 | + - concern: [other-existing-options](https://github.com/rust-lang/compiler-team/issues/635#issuecomment-1779597156) |
| 50 | + - concern: [option-name](https://github.com/rust-lang/compiler-team/issues/635#issuecomment-1785349936) |
| 51 | + - "Retire the mailing list and make all decisions on zulip" [compiler-team#649](https://github.com/rust-lang/compiler-team/issues/649) ([Zulip](https://rust-lang.zulipchat.com/#narrow/stream/233931-xxx/topic/Retire.20the.20mailing.20list.20and.20make.20all.20deci.E2.80.A6.20compiler-team.23649)) |
| 52 | + - concern: [automatic-sync](https://github.com/rust-lang/compiler-team/issues/649#issuecomment-1618902660) |
| 53 | +- Finalized FCPs (disposition merge) |
| 54 | + - None |
| 55 | +- Other teams finalized FCPs |
| 56 | + - "rustdoc: add header map to the table of contents" [rust#120736](https://github.com/rust-lang/rust/pull/120736) |
| 57 | + - "doc: Make block of inline Deref methods foldable" [rust#127474](https://github.com/rust-lang/rust/pull/127474) |
| 58 | + |
| 59 | +### WG checkins |
| 60 | + |
| 61 | +None |
| 62 | + |
| 63 | +## Backport nominations |
| 64 | + |
| 65 | +[T-compiler beta](https://github.com/rust-lang/rust/issues?q=is%3Aall+label%3Abeta-nominated+-label%3Abeta-accepted+label%3AT-compiler) / [T-compiler stable](https://github.com/rust-lang/rust/issues?q=is%3Aall+label%3Astable-nominated+-label%3Astable-accepted+label%3AT-compiler) |
| 66 | +- No beta nominations for `T-compiler` this time. |
| 67 | +- No stable nominations for `T-compiler` this time. |
| 68 | + |
| 69 | +[T-types stable](https://github.com/rust-lang/rust/issues?q=is%3Aall+label%3Abeta-nominated+-label%3Abeta-accepted+label%3AT-types) / [T-types beta](https://github.com/rust-lang/rust/issues?q=is%3Aall+label%3Astable-nominated+-label%3Astable-accepted+label%3AT-types) |
| 70 | +- No beta nominations for `T-types` this time. |
| 71 | +- No stable nominations for `T-types` this time. |
| 72 | + |
| 73 | +## PRs S-waiting-on-team |
| 74 | + |
| 75 | +[T-compiler](https://github.com/rust-lang/rust/pulls?q=is%3Aopen+label%3AS-waiting-on-team+label%3AT-compiler) |
| 76 | +- "Stabilize `extended_varargs_abi_support`" [rust#116161](https://github.com/rust-lang/rust/pull/116161) |
| 77 | +- "Better errors with bad/missing identifiers in MBEs" [rust#118939](https://github.com/rust-lang/rust/pull/118939) |
| 78 | +- "Uplift `clippy::invalid_null_ptr_usage` lint" [rust#119220](https://github.com/rust-lang/rust/pull/119220) |
| 79 | +- "Rename `AsyncIterator` back to `Stream`, introduce an AFIT-based `AsyncIterator` trait" [rust#119550](https://github.com/rust-lang/rust/pull/119550) |
| 80 | +- "Disallow deriving (other than Copy/Clone) on types with unnamed fields" [rust#121270](https://github.com/rust-lang/rust/pull/121270) |
| 81 | +- "Emit a warning if a `match` is too complex" [rust#122685](https://github.com/rust-lang/rust/pull/122685) |
| 82 | +- "Add Unicode block-drawing compiler output support" [rust#126597](https://github.com/rust-lang/rust/pull/126597) |
| 83 | +- "Emit error when calling/declaring functions with vectors that require missing target feature" [rust#127731](https://github.com/rust-lang/rust/pull/127731) |
| 84 | +- "[crater] Make `missing_fragment_specifier` an unconditional error" [rust#128425](https://github.com/rust-lang/rust/pull/128425) |
| 85 | +- "repr(int) fieldless enums are ABI-compatible with int" [rust#128600](https://github.com/rust-lang/rust/pull/128600) |
| 86 | +- "`optimize` attribute applied to things other than methods/functions/c…" [rust#128943](https://github.com/rust-lang/rust/pull/128943) |
| 87 | +- "Gate `repr(Rust)` correctly on non-ADT items" [rust#129422](https://github.com/rust-lang/rust/pull/129422) |
| 88 | +- [Issues in progress or waiting on other teams](https://hackmd.io/XYr1BrOWSiqCrl8RCWXRaQ) |
| 89 | + |
| 90 | +## Issues of Note |
| 91 | + |
| 92 | +### Short Summary |
| 93 | + |
| 94 | +- [1 T-compiler P-critical issues](https://github.com/rust-lang/rust/issues?q=is%3Aopen+label%3AT-compiler+label%3AP-critical) |
| 95 | + - [0 of those are unassigned](https://github.com/rust-lang/rust/issues?q=is%3Aopen+label%3AT-compiler+label%3AP-critical+no%3Aassignee) |
| 96 | +- [66 T-compiler P-high issues](https://github.com/rust-lang/rust/issues?q=is%3Aopen+label%3AT-compiler+label%3AP-high) |
| 97 | + - [38 of those are unassigned](https://github.com/rust-lang/rust/issues?q=is%3Aopen+label%3AT-compiler+label%3AP-high+no%3Aassignee) |
| 98 | +- [1 P-critical, 1 P-high, 3 P-medium, 0 P-low regression-from-stable-to-beta](https://github.com/rust-lang/rust/labels/regression-from-stable-to-beta) |
| 99 | +- [0 P-critical, 0 P-high, 5 P-medium, 2 P-low regression-from-stable-to-nightly](https://github.com/rust-lang/rust/labels/regression-from-stable-to-nightly) |
| 100 | +- [0 P-critical, 36 P-high, 100 P-medium, 16 P-low regression-from-stable-to-stable](https://github.com/rust-lang/rust/labels/regression-from-stable-to-stable) |
| 101 | + |
| 102 | +### P-critical |
| 103 | + |
| 104 | +[T-compiler](https://github.com/rust-lang/rust/issues?q=is%3Aopen+label%3AP-critical+label%3AT-compiler) |
| 105 | +- None |
| 106 | + |
| 107 | +[T-types](https://github.com/rust-lang/rust/issues?q=is%3Aopen+label%3AP-critical+label%3AT-types) |
| 108 | +- No `P-critical` issues for `T-types` this time. |
| 109 | + |
| 110 | +### P-high regressions |
| 111 | + |
| 112 | +[P-high beta regressions](https://github.com/rust-lang/rust/issues?q=is%3Aopen+label%3Aregression-from-stable-to-beta+label%3AP-high+-label%3AT-infra+-label%3AT-libs+-label%3AT-libs-api+-label%3AT-release+-label%3AT-rustdoc+-label%3AT-core) |
| 113 | +- [SIGTRAP during compilation on MacOS · Issue #129887 · rust-lang/rust](https://github.com/rust-lang/rust/issues/129887) |
| 114 | + - issue just slipped from nightly to beta. Already fixed upstream in LLVM 19 ([comment](https://github.com/rust-lang/rust/issues/129887#issuecomment-2330461075)) |
| 115 | +- "regression: overflow evaluating the requirement" [rust#128887](https://github.com/rust-lang/rust/issues/128887) |
| 116 | + - accepted regression, some crates that regressed fixed downstream. |
| 117 | + - fixed by #129714 (beta backported) and #129073 (in progress), thus keeping it open for tracking purposes |
| 118 | + |
| 119 | +[Unassigned P-high nightly regressions](https://github.com/rust-lang/rust/issues?q=is%3Aopen+label%3Aregression-from-stable-to-nightly+label%3AP-high+no%3Aassignee+-label%3AT-infra+-label%3AT-libs+-label%3AT-libs-api+-label%3AT-release+-label%3AT-rustdoc+-label%3AT-core+) |
| 120 | +- No unassigned `P-high` nightly regressions this time. |
| 121 | + |
| 122 | +## Performance logs |
| 123 | + |
| 124 | +> [triage logs for 2024-09-03](https://github.com/Kobzol/rustc-perf/blob/ee7cd7e680ebf9d588ad23cc0f1ba32b3caf1813/triage/2024-09-03.md) |
| 125 | +
|
| 126 | +This week we had some trouble with our performance bot, but luckily the issue has been resolved. |
| 127 | +In the end, we saw much more improvements than regressions. |
| 128 | + |
| 129 | +Triage done by **@kobzol**. |
| 130 | +Revision range: [acb4e8b6..6199b69c](https://perf.rust-lang.org/?start=acb4e8b6251f1d8da36f08e7a70fa23fc581839e&end=6199b69c53a8c275ca3cd59647ea0af5ca29aae2&absolute=false&stat=instructions%3Au) |
| 131 | + |
| 132 | +**Summary**: |
| 133 | + |
| 134 | +| (instructions:u) | mean | range | count | |
| 135 | +|:----------------------------------:|:-----:|:--------------:|:-----:| |
| 136 | +| Regressions ❌ <br /> (primary) | 0.3% | [0.2%, 0.4%] | 8 | |
| 137 | +| Regressions ❌ <br /> (secondary) | 0.7% | [0.2%, 1.5%] | 9 | |
| 138 | +| Improvements ✅ <br /> (primary) | -0.8% | [-3.4%, -0.2%] | 158 | |
| 139 | +| Improvements ✅ <br /> (secondary) | -0.7% | [-2.3%, -0.2%] | 96 | |
| 140 | +| All ❌✅ (primary) | -0.7% | [-3.4%, 0.4%] | 166 | |
| 141 | + |
| 142 | + |
| 143 | +2 Regressions, 3 Improvements, 1 Mixed; 3 of them in rollups |
| 144 | +19 artifact comparisons made in total |
| 145 | + |
| 146 | +#### Regressions |
| 147 | + |
| 148 | +Rollup of 7 pull requests [#129750](https://github.com/rust-lang/rust/pull/129750) [(Comparison Link)](https://perf.rust-lang.org/compare.html?start=784d444733d65c3d305ce5edcbb41e3d0d0aee2e&end=0d634185dfddefe09047881175f35c65d68dcff1&stat=instructions:u) |
| 149 | + |
| 150 | +| (instructions:u) | mean | range | count | |
| 151 | +|:----------------------------------:|:----:|:------------:|:-----:| |
| 152 | +| Regressions ❌ <br /> (primary) | 0.4% | [0.3%, 0.5%] | 7 | |
| 153 | +| Regressions ❌ <br /> (secondary) | 6.0% | [6.0%, 6.0%] | 1 | |
| 154 | +| Improvements ✅ <br /> (primary) | - | - | 0 | |
| 155 | +| Improvements ✅ <br /> (secondary) | - | - | 0 | |
| 156 | +| All ❌✅ (primary) | 0.4% | [0.3%, 0.5%] | 7 | |
| 157 | + |
| 158 | +- This was bimodal noise. |
| 159 | + |
| 160 | +Rollup of 8 pull requests [#129922](https://github.com/rust-lang/rust/pull/129922) [(Comparison Link)](https://perf.rust-lang.org/compare.html?start=6199b69c53a8c275ca3cd59647ea0af5ca29aae2&end=d6c8169c186ab16a3404cd0d0866674018e8a19e&stat=instructions:u) |
| 161 | + |
| 162 | +| (instructions:u) | mean | range | count | |
| 163 | +|:----------------------------------:|:----:|:------------:|:-----:| |
| 164 | +| Regressions ❌ <br /> (primary) | - | - | 0 | |
| 165 | +| Regressions ❌ <br /> (secondary) | 5.8% | [5.8%, 5.8%] | 1 | |
| 166 | +| Improvements ✅ <br /> (primary) | - | - | 0 | |
| 167 | +| Improvements ✅ <br /> (secondary) | - | - | 0 | |
| 168 | +| All ❌✅ (primary) | - | - | 0 | |
| 169 | + |
| 170 | +- Likely the same story, just with a different benchmark. |
| 171 | +- Not marking as triaged yet. |
| 172 | + |
| 173 | +#### Improvements |
| 174 | + |
| 175 | +Rollup of 15 pull requests [#129809](https://github.com/rust-lang/rust/pull/129809) [(Comparison Link)](https://perf.rust-lang.org/compare.html?start=fa72f0763de6bc1596208fc1419883ce5aea0de4&end=9649706eada1b2c68cf6504356efb058f68ad739&stat=instructions:u) |
| 176 | + |
| 177 | +| (instructions:u) | mean | range | count | |
| 178 | +|:----------------------------------:|:-----:|:--------------:|:-----:| |
| 179 | +| Regressions ❌ <br /> (primary) | - | - | 0 | |
| 180 | +| Regressions ❌ <br /> (secondary) | - | - | 0 | |
| 181 | +| Improvements ✅ <br /> (primary) | -0.3% | [-0.9%, -0.2%] | 21 | |
| 182 | +| Improvements ✅ <br /> (secondary) | -0.7% | [-5.9%, -0.1%] | 18 | |
| 183 | +| All ❌✅ (primary) | -0.3% | [-0.9%, -0.2%] | 21 | |
| 184 | + |
| 185 | + |
| 186 | +Revert "Auto merge of #127537 - veluca93:struct_tf, r=BoxyUwU" [#129854](https://github.com/rust-lang/rust/pull/129854) [(Comparison Link)](https://perf.rust-lang.org/compare.html?start=a48861a6279b386ad2b9c3518490181d238fe727&end=94885bc699512cfee8560e73c2a01ee6b4b76563&stat=instructions:u) |
| 187 | + |
| 188 | +| (instructions:u) | mean | range | count | |
| 189 | +|:----------------------------------:|:-----:|:--------------:|:-----:| |
| 190 | +| Regressions ❌ <br /> (primary) | - | - | 0 | |
| 191 | +| Regressions ❌ <br /> (secondary) | - | - | 0 | |
| 192 | +| Improvements ✅ <br /> (primary) | -0.4% | [-1.1%, -0.2%] | 81 | |
| 193 | +| Improvements ✅ <br /> (secondary) | -0.5% | [-2.2%, -0.2%] | 24 | |
| 194 | +| All ❌✅ (primary) | -0.4% | [-1.1%, -0.2%] | 81 | |
| 195 | + |
| 196 | +- Revert of an earlier PR that had larger than expected regressions. |
| 197 | +- Investigation is ongoing on how to land it without such large regressions. |
| 198 | + |
| 199 | +Apply size optimizations to panic machinery and some cold functions [#129063](https://github.com/rust-lang/rust/pull/129063) [(Comparison Link)](https://perf.rust-lang.org/compare.html?start=94885bc699512cfee8560e73c2a01ee6b4b76563&end=e71f9529121ca8f687e4b725e3c9adc3f1ebab4d&stat=instructions:u) |
| 200 | + |
| 201 | +| (instructions:u) | mean | range | count | |
| 202 | +|:----------------------------------:|:-----:|:--------------:|:-----:| |
| 203 | +| Regressions ❌ <br /> (primary) | 0.2% | [0.2%, 0.2%] | 2 | |
| 204 | +| Regressions ❌ <br /> (secondary) | - | - | 0 | |
| 205 | +| Improvements ✅ <br /> (primary) | -1.2% | [-3.0%, -0.3%] | 16 | |
| 206 | +| Improvements ✅ <br /> (secondary) | -1.0% | [-1.5%, -0.4%] | 4 | |
| 207 | +| All ❌✅ (primary) | -1.0% | [-3.0%, 0.2%] | 18 | |
| 208 | + |
| 209 | + |
| 210 | +#### Mixed |
| 211 | + |
| 212 | +Rewrite lint_expectations in a single pass. [#127313](https://github.com/rust-lang/rust/pull/127313) [(Comparison Link)](https://perf.rust-lang.org/compare.html?start=1a1cc050d8efc906ede39f444936ade1fdc9c6cb&end=a48861a6279b386ad2b9c3518490181d238fe727&stat=instructions:u) |
| 213 | + |
| 214 | +| (instructions:u) | mean | range | count | |
| 215 | +|:----------------------------------:|:-----:|:--------------:|:-----:| |
| 216 | +| Regressions ❌ <br /> (primary) | 0.4% | [0.3%, 0.4%] | 9 | |
| 217 | +| Regressions ❌ <br /> (secondary) | 0.6% | [0.2%, 1.5%] | 14 | |
| 218 | +| Improvements ✅ <br /> (primary) | -0.5% | [-1.5%, -0.2%] | 82 | |
| 219 | +| Improvements ✅ <br /> (secondary) | -0.7% | [-1.8%, -0.1%] | 58 | |
| 220 | +| All ❌✅ (primary) | -0.4% | [-1.5%, 0.4%] | 91 | |
| 221 | + |
| 222 | +- More improvements than regressions, marking as triaged. |
| 223 | + |
| 224 | +## Nominated Issues |
| 225 | + |
| 226 | +[T-compiler](https://github.com/rust-lang/rust/issues?q=is%3Aopen+label%3AI-compiler-nominated) |
| 227 | +- "Tracking peak total storage use" [rust#129808](https://github.com/rust-lang/rust/issues/129808) |
| 228 | + - nominated by @**Jubilee** |
| 229 | + - Context: last week our CI started to fail due to not having enough storage available |
| 230 | + - Questions for all teams: |
| 231 | + > - Are we aware of past efforts being aware of whether or not we have reduced the size? |
| 232 | + > - What information is [t-compiler] currently tracking re: size? |
| 233 | + > - What information would [t-compiler] like to have available re: size? |
| 234 | +- "Add Unicode block-drawing compiler output support" [rust#126597](https://github.com/rust-lang/rust/pull/126597) |
| 235 | + - Proposal from @**Esteban Küber** |
| 236 | + - Nominated by @**León Orell Liehr (fmease)** (assigned reviewer), asks if this proposal would benefit from some sort of agreement from T-compiler (MCP or other) |
| 237 | + - More context [here](https://github.com/rust-lang/rust/pull/126597#issuecomment-2267602708) and [here](https://rust-lang.zulipchat.com/#narrow/stream/131828-t-compiler/topic/Unstable.20Unicode.20box.20drawing.20support.20for.20diagnostics.3A.20MCP.3F/near/467577067) |
| 238 | + |
| 239 | +[RFC](https://github.com/rust-lang/rfcs/issues?q=is%3Aopen+label%3AI-compiler-nominated) |
| 240 | +- No I-compiler-nominated RFCs this time. |
| 241 | + |
| 242 | +### Oldest PRs waiting for review |
| 243 | + |
| 244 | +[T-compiler](https://github.com/rust-lang/rust/pulls?q=is%3Apr+is%3Aopen+sort%3Aupdated-asc+label%3AS-waiting-on-review+draft%3Afalse+label%3AT-compiler) |
| 245 | +- "fix: get llvm type of global val" [rust#128820](https://github.com/rust-lang/rust/pull/128820) (last review activity: about 21 days ago) |
| 246 | + - cc @**Nikita Popov** |
| 247 | +- "Implement a lint for implicit autoref of raw pointer dereference - take 2" [rust#123239](https://github.com/rust-lang/rust/pull/123239) |
| 248 | + - cc: @**León Orell Liehr (fmease)** |
| 249 | +- "Apply `EarlyOtherwiseBranch` to scalar value" [rust#129047](https://github.com/rust-lang/rust/pull/129047) (last review activity: about 22 days ago) |
| 250 | + - cc: @**cjgillot** |
| 251 | + |
| 252 | +## Next week's WG checkins |
| 253 | + |
| 254 | +None |
| 255 | + |
| 256 | +Next meetings' agenda draft: [hackmd link](https://hackmd.io/XV_FIeKwRx2TTtvsbVuTFA) |
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