Rollup of 13 pull requests by JonathanBrouwer · Pull Request #163178 · rust-lang/rust

JonathanBrouwer · 2026-09-22T20:50:41Z

Successful merges:

Detect missing else in let statement #156949 (Detect missing else in let statement)
stabilize Box::take #160436 (stabilize Box::take)
macro_metavar_expr_concat: support concatenating into string literals #160570 (macro_metavar_expr_concat: support concatenating into string literals)
Dedicated Display type for CStr::display #162837 (Dedicated Display type for CStr::display)
Use wrapping arithmetic in from_str_radix #163099 (Use wrapping arithmetic in from_str_radix)
Tiny cleanups to deferred liveness #163166 (Tiny cleanups to deferred liveness)
Add f16 inline ASM support for nvptx64-nvidia-cuda #161667 (Add f16 inline ASM support for nvptx64-nvidia-cuda)
Restore Send and Sync for BorrowedCursor #163063 (Restore Send and Sync for BorrowedCursor)
OpenBSD/sparc64 has switched from GCC to Clang #163097 (OpenBSD/sparc64 has switched from GCC to Clang)
Skip redundant storage-conflict updates during coroutine layout #163126 (Skip redundant storage-conflict updates during coroutine layout)
librustdoc: remove stale dep on base64 #163135 (librustdoc: remove stale dep on base64)
tests: Update f16b codegen test for LoongArch and RISC-V #163146 (tests: Update f16b codegen test for LoongArch and RISC-V)
treat inductive cycles as ambig #163159 (treat inductive cycles as ambig)

This appears to have become unused in August 2025. I noticed today because of trying to consolidate versions of things in the toolchain.

simplify liveness sources to not need a lifetime or a location map

- tiny renamings - tiny type simplifications (type ascription, closure return type) - fixing a comment

and group it with related code

Add target-specific revisions to the `f16b` codegen test to account for LoongArch and RISC-V lowering `f16b` to LLVM `half` rather than `bfloat`.

Detect missing else in let statement Fixes rust-lang#135857 I add the help message in rustc_resolve. It now will display something like this: ```rust error: expected identifier, found keyword `return` --> ./test.rs:8:24 | 8 | let Some(a) = bar{return;}; | --- ^^^^^^ expected identifier, found keyword | | | while parsing this struct | help: escape `return` to use it as an identifier | 8 | let Some(a) = bar{r#return;}; | ++ error[E0574]: expected struct, variant or union type, found local variable `bar` --> ./test.rs:8:20 | 8 | let Some(a) = bar{return;}; | ^^^ not a struct, variant or union type | help: try adding `else` here: | 8 | let Some(a) = bar else {return;}; | ++++ error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0574`. ``` r? estebank

…sonn stabilize `Box::take` Tracking issue: rust-lang#147212 There hasn't been any activity on the tracking issue for a while, and this is a pretty small feature, so opening this to hopefully get a FCP started. Closes: rust-lang#147212

macro_metavar_expr_concat: support concatenating into string literals Usually if you want to concatenate string literals in macros you expand into some combination of concat! and stringify! invocations. However this does not work in nested MetaItems, since those are never expanded (unlike `#[path = EXPR]` attributes like `#[doc = include_str!("README.md")]`. This PR adds support for that using `${concat_str(...)}`, similar to `${concat(...)}`. It is unstable under the same `macro_metavar_expr_concat` feature. See the tests in this PR for examples. My motivation for adding this is that I've seen (and had myself) some cases where this would have been really useful. Thus I'd like to add this experimentally.

Dedicated Display type for CStr::display Tracking issue: rust-lang#139984 Should resolve the FCP concern.

tests: Update `f16b` codegen test for LoongArch and RISC-V Fixes rust-lang#163145

…-obk treat inductive cycles as ambig We needed inductive cycles to be `NoSolution` for proper `ParamEnv` normalization. With rust-lang#158643 this is no longer necessary, so lets make the stabilization of the new solver as small as possible. r? types

JonathanBrouwer · 2026-09-22T20:50:53Z

@bors r+ p=5

Trying commonly failed jobs
@bors try jobs=dist-various-1,test-various,test-x86_64-gnu-aux,test-x86_64-gnu-llvm-21-3,test-x86_64-msvc-1,test-aarch64-apple-1,test-aarch64-apple-2,test-x86_64-mingw-1,test-i686-msvc,test-armhf-gnu

rust-bors · 2026-09-22T20:50:55Z

📌 Commit f3aca55 has been approved by JonathanBrouwer

It is now in the queue for this repository.

Rollup of 13 pull requests try-job: dist-various-1 try-job: test-various try-job: test-x86_64-gnu-aux try-job: test-x86_64-gnu-llvm-21-3 try-job: test-x86_64-msvc-1 try-job: test-aarch64-apple-1 try-job: test-aarch64-apple-2 try-job: test-x86_64-mingw-1 try-job: test-i686-msvc try-job: test-armhf-gnu

rust-bors · 2026-09-23T00:00:31Z

☀️ Try build successful (CI)
Build commit: c097405 (c09740584965ed9be983bbe4372687532a037776)
Base parent: 6bb1652 (6bb1652a020e80cef79332741d89e996d71933c9)

rust-bors · 2026-09-23T01:36:02Z

☀️ Test successful - CI
Approved by: JonathanBrouwer
Duration: 3h 8m 32s
Pushing 1a82b5d to main...

github-actions · 2026-09-23T01:39:35Z

What is this?

This is an experimental post-merge analysis report that shows differences in test outcomes between the merged PR and its parent PR.

Comparing 6bb1652 (parent) -> 1a82b5d (this PR)

Test differences

Show 630 test diffs

Stage 1

[ui] tests/ui/macros/metavar-expressions/concat-str-escape.rs: [missing] -> pass (J0)
[ui] tests/ui/macros/metavar-expressions/concat-str-horror.rs: [missing] -> pass (J0)
[ui] tests/ui/macros/metavar-expressions/concat-str.rs: [missing] -> pass (J0)
[ui] tests/ui/parser/detect-missing-else-in-let-1.rs: [missing] -> pass (J0)
[ui] tests/ui/parser/detect-missing-else-in-let-2.rs: [missing] -> pass (J0)
[ui] tests/ui/traits/next-solver/find-param-recursion-issue-152716.rs: pass -> [missing] (J0)
[ui] tests/ui/traits/next-solver/find-param-recursion-issue-152716.rs#current: [missing] -> pass (J0)
[ui] tests/ui/traits/next-solver/find-param-recursion-issue-152716.rs#next: [missing] -> pass (J0)
[ui] tests/ui/traits/next-solver/overflow/recursive-self-normalization-2.rs: pass -> [missing] (J0)
[ui] tests/ui/traits/next-solver/overflow/recursive-self-normalization-2.rs#current: [missing] -> pass (J0)
[ui] tests/ui/traits/next-solver/overflow/recursive-self-normalization-2.rs#next: [missing] -> pass (J0)
[ui] tests/ui/traits/next-solver/overflow/recursive-self-normalization-simple.rs#current: [missing] -> pass (J0)
[ui] tests/ui/traits/next-solver/overflow/recursive-self-normalization-simple.rs#next: [missing] -> pass (J0)
[ui] tests/ui/traits/next-solver/overflow/recursive-self-normalization.rs: pass -> [missing] (J0)
[ui] tests/ui/traits/next-solver/overflow/recursive-self-normalization.rs#current: [missing] -> pass (J0)
[ui] tests/ui/traits/next-solver/overflow/recursive-self-normalization.rs#next: [missing] -> pass (J0)
[ui (polonius)] tests/ui/macros/metavar-expressions/concat-str-escape.rs: [missing] -> pass (J3)
[ui (polonius)] tests/ui/macros/metavar-expressions/concat-str-horror.rs: [missing] -> pass (J3)
[ui (polonius)] tests/ui/macros/metavar-expressions/concat-str.rs: [missing] -> pass (J3)
[ui (polonius)] tests/ui/parser/detect-missing-else-in-let-1.rs: [missing] -> pass (J3)
[ui (polonius)] tests/ui/parser/detect-missing-else-in-let-2.rs: [missing] -> pass (J3)
[ui (polonius)] tests/ui/traits/next-solver/find-param-recursion-issue-152716.rs: pass -> [missing] (J3)
[ui (polonius)] tests/ui/traits/next-solver/find-param-recursion-issue-152716.rs#current: [missing] -> pass (J3)
[ui (polonius)] tests/ui/traits/next-solver/find-param-recursion-issue-152716.rs#next: [missing] -> pass (J3)
[ui (polonius)] tests/ui/traits/next-solver/overflow/recursive-self-normalization-2.rs: pass -> [missing] (J3)
[ui (polonius)] tests/ui/traits/next-solver/overflow/recursive-self-normalization-2.rs#current: [missing] -> pass (J3)
[ui (polonius)] tests/ui/traits/next-solver/overflow/recursive-self-normalization-2.rs#next: [missing] -> pass (J3)
[ui (polonius)] tests/ui/traits/next-solver/overflow/recursive-self-normalization-simple.rs#current: [missing] -> pass (J3)
[ui (polonius)] tests/ui/traits/next-solver/overflow/recursive-self-normalization-simple.rs#next: [missing] -> pass (J3)
[ui (polonius)] tests/ui/traits/next-solver/overflow/recursive-self-normalization.rs: pass -> [missing] (J3)
[ui (polonius)] tests/ui/traits/next-solver/overflow/recursive-self-normalization.rs#current: [missing] -> pass (J3)
[ui (polonius)] tests/ui/traits/next-solver/overflow/recursive-self-normalization.rs#next: [missing] -> pass (J3)
[codegen] tests/codegen-llvm/float/f16b.rs: pass -> [missing] (J4)
[codegen] tests/codegen-llvm/float/f16b.rs#GENERIC: [missing] -> pass (J4)
[codegen] tests/codegen-llvm/float/f16b.rs#LOONGARCH32: [missing] -> ignore (only executed when the architecture is loongarch32) (J4)
[codegen] tests/codegen-llvm/float/f16b.rs#LOONGARCH64: [missing] -> ignore (only executed when the architecture is loongarch64) (J4)
[codegen] tests/codegen-llvm/float/f16b.rs#RISCV32: [missing] -> ignore (only executed when the architecture is riscv32) (J4)
[codegen] tests/codegen-llvm/float/f16b.rs#RISCV64: [missing] -> ignore (only executed when the architecture is riscv64) (J4)

Stage 2

[ui] tests/ui/macros/metavar-expressions/concat-str-escape.rs: [missing] -> pass (J1)
[ui] tests/ui/macros/metavar-expressions/concat-str-horror.rs: [missing] -> pass (J1)
[ui] tests/ui/macros/metavar-expressions/concat-str.rs: [missing] -> pass (J1)
[ui] tests/ui/parser/detect-missing-else-in-let-1.rs: [missing] -> pass (J1)
[ui] tests/ui/parser/detect-missing-else-in-let-2.rs: [missing] -> pass (J1)
[ui] tests/ui/traits/next-solver/find-param-recursion-issue-152716.rs: pass -> [missing] (J1)
[ui] tests/ui/traits/next-solver/find-param-recursion-issue-152716.rs#current: [missing] -> pass (J1)
[ui] tests/ui/traits/next-solver/find-param-recursion-issue-152716.rs#next: [missing] -> pass (J1)
[ui] tests/ui/traits/next-solver/overflow/recursive-self-normalization-2.rs: pass -> [missing] (J1)
[ui] tests/ui/traits/next-solver/overflow/recursive-self-normalization-2.rs#current: [missing] -> pass (J1)
[ui] tests/ui/traits/next-solver/overflow/recursive-self-normalization-2.rs#next: [missing] -> pass (J1)
[ui] tests/ui/traits/next-solver/overflow/recursive-self-normalization-simple.rs#current: [missing] -> pass (J1)
[ui] tests/ui/traits/next-solver/overflow/recursive-self-normalization-simple.rs#next: [missing] -> pass (J1)
[ui] tests/ui/traits/next-solver/overflow/recursive-self-normalization.rs: pass -> [missing] (J1)
[ui] tests/ui/traits/next-solver/overflow/recursive-self-normalization.rs#current: [missing] -> pass (J1)
[ui] tests/ui/traits/next-solver/overflow/recursive-self-normalization.rs#next: [missing] -> pass (J1)
[codegen] tests/codegen-llvm/float/f16b.rs: pass -> [missing] (J2)
[codegen] tests/codegen-llvm/float/f16b.rs#GENERIC: [missing] -> pass (J2)
[codegen] tests/codegen-llvm/float/f16b.rs#LOONGARCH32: [missing] -> ignore (only executed when the architecture is loongarch32) (J2)
[codegen] tests/codegen-llvm/float/f16b.rs#LOONGARCH64: [missing] -> ignore (only executed when the architecture is loongarch64) (J2)
[codegen] tests/codegen-llvm/float/f16b.rs#RISCV32: [missing] -> ignore (only executed when the architecture is riscv32) (J2)
[codegen] tests/codegen-llvm/float/f16b.rs#RISCV64: [missing] -> ignore (only executed when the architecture is riscv64) (J2)

Additionally, 570 doctest diffs were found. These are ignored, as they are noisy.

Job group index

Test dashboard

Run

cargo run --manifest-path src/ci/citool/Cargo.toml -- \
    test-dashboard 1a82b5d4f4c79ead5ce15b6e586af24d2a20300c --output-dir test-dashboard

And then open test-dashboard/index.html in your browser to see an overview of all executed tests.

Job duration changes

test-x86_64-gnu-miri: 56m 32s -> 1h 34m (+67.8%)
dist-i686-msvc: 31m 21s -> 49m 2s (+56.4%)
test-x86_64-mingw-2: 1h 48m -> 2h 45m (+52.2%)
test-x86_64-msvc-ext3: 1h 21m -> 2h (+48.4%)
test-various: 1h 29m -> 2h 11m (+46.8%)
dist-ohos-x86_64: 1h 2m -> 1h 29m (+42.3%)
test-x86_64-gnu-stable: 2h 40m -> 1h 32m (-42.1%)
dist-riscv64-linux-gnu: 1h 1m -> 1h 27m (+41.7%)
test-i686-gnu-nopt-2: 1h 24m -> 1h 57m (+38.8%)
test-x86_64-gnu-llvm-21-1: 1h 2m -> 38m 40s (-38.2%)

How to interpret the job duration changes?

Job durations can vary a lot, based on the actual runner instance
that executed the job, system noise, invalidated caches, etc. The table above is provided
mostly for t-infra members, for simpler debugging of potential CI slow-downs.

rust-timer · 2026-09-23T02:20:39Z

Finished benchmarking commit (1a82b5d): comparison URL.

Overall result: ✅ improvements - no action needed

@rustbot label: -perf-regression

Instruction count

Our most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-0.2%	[-0.3%, -0.2%]	10
All ❌✅ (primary)	-	-	0

Max RSS (memory usage)

Results (primary 2.6%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	2.6%	[2.6%, 2.6%]	1
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	2.6%	[2.6%, 2.6%]	1

Cycles

This perf run didn't have relevant results for this metric.

Binary size

This perf run didn't have relevant results for this metric.

Bootstrap: 489.593s -> 490.182s (0.12%)
Artifact size: 406.57 MiB -> 406.51 MiB (-0.01%)

rust-bors · 2026-09-23T02:42:19Z

📌 Perf builds for each rolled up PR:

PR#	Message	Perf Build Sha
#156949	Detect missing else in let statement	`6f6f5d0e632786f3279ea50e80ef22e13c088108` (link)
#160436	stabilize `Box::take`	`dbf8e1fe7b74fc2f01b44db70c9dad81da475a2f` (link)
#160570	macro_metavar_expr_concat: support concatenating into strin…	`75de2179fc2d79ef4344de56908699461533049b` (link)
#162837	Dedicated Display type for CStr::display	`78982c57fb62ff92ea1081484a840ede4ac00f52` (link)
#163099	Use wrapping arithmetic in `from_str_radix`	`b41957fcb0c3f518d8fd6c955bdaf7cd16158b12` (link)
#163166	Tiny cleanups to deferred liveness	`6f6fc0f59ab7064d15b1571de5da1c95725c9a88` (link)
#161667	Add `f16` inline ASM support for `nvptx64-nvidia-cuda`	`7294c32a01de06b33e51741d71fa862a21bb26c4` (link)
#163063	Restore `Send` and `Sync` for `BorrowedCursor`	`c252e4281068518ebd388145e6a7ff0ef60f5abf` (link)
#163097	OpenBSD/sparc64 has switched from GCC to Clang	`93284cab8b52a8dcd2fc46c7e1cc24611653acae` (link)
#163126	Skip redundant storage-conflict updates during coroutine la…	`6dc061f3dbfe5bfa8520131baf867171473cbb64` (link)
#163135	librustdoc: remove stale dep on base64	`78dcd667611c093fc10d36853a910fccc3dde7fa` (link)
#163146	tests: Update `f16b` codegen test for LoongArch and RISC-V	`9164a7a513d94745843908067b3cab32a8d52b40` (link)
#163159	treat inductive cycles as ambig	`02d1298f4351b47c3da0883f81b5b1121ee5e824` (link)

parent commit: 6bb1652a02

In the case of a perf regression, run the following command with the SHAs of each PR you suspect might be the cause: @rust-timer triage $SHA $SHA $SHA..., or run @rust-timer triage all to benchmark all rollup members.

JonathanBrouwer · 2026-09-23T04:59:56Z

@rust-timer triage all

rust-timer · 2026-09-23T05:00:01Z

Running triage with 2 benchmarks

Triage only executes the benchmarks on rollup members, that were changed significantly on the rollup.
For this rollup, these benchmarks are:

await-call-tree
tt-muncher

#156949 `6f6f5d0` Detect missing else in let statement

This perf run didn't have relevant results for the `instruction count` metric.

Instruction count

This perf run didn't have relevant results for this metric.

Max RSS (memory usage)

This perf run didn't have relevant results for this metric.

Cycles

This perf run didn't have relevant results for this metric.

Binary size

This perf run didn't have relevant results for this metric.

#160436 `dbf8e1f` stabilize `Box::take`

This perf run didn't have relevant results for the `instruction count` metric.

Instruction count

This perf run didn't have relevant results for this metric.

Max RSS (memory usage)

This perf run didn't have relevant results for this metric.

Cycles

This perf run didn't have relevant results for this metric.

Binary size

This perf run didn't have relevant results for this metric.

#160570 `75de217` macro_metavar_expr_concat: support concatenating into string literals

Instruction count

Our most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-0.2%	[-0.3%, -0.2%]	7
All ❌✅ (primary)	-	-	0

Max RSS (memory usage)

This perf run didn't have relevant results for this metric.

Cycles

This perf run didn't have relevant results for this metric.

Binary size

This perf run didn't have relevant results for this metric.

#162837 `78982c5` Dedicated Display type for CStr::display

Instruction count

Our most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	0.3%	[0.3%, 0.3%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-	-	0

Max RSS (memory usage)

This perf run didn't have relevant results for this metric.

Cycles

This perf run didn't have relevant results for this metric.

Binary size

This perf run didn't have relevant results for this metric.

#163099 `b41957f` Use wrapping arithmetic in `from_str_radix`

This perf run didn't have relevant results for the `instruction count` metric.

Instruction count

This perf run didn't have relevant results for this metric.

Max RSS (memory usage)

This perf run didn't have relevant results for this metric.

Cycles

This perf run didn't have relevant results for this metric.

Binary size

This perf run didn't have relevant results for this metric.

#163166 `6f6fc0f` Tiny cleanups to deferred liveness

This perf run didn't have relevant results for the `instruction count` metric.

Instruction count

This perf run didn't have relevant results for this metric.

Max RSS (memory usage)

This perf run didn't have relevant results for this metric.

Cycles

This perf run didn't have relevant results for this metric.

Binary size

This perf run didn't have relevant results for this metric.

#161667 `7294c32` Add `f16` inline ASM support for `nvptx64-nvidia-cuda`

This perf run didn't have relevant results for the `instruction count` metric.

Instruction count

This perf run didn't have relevant results for this metric.

Max RSS (memory usage)

This perf run didn't have relevant results for this metric.

Cycles

This perf run didn't have relevant results for this metric.

Binary size

This perf run didn't have relevant results for this metric.

#163063 `c252e42` Restore `Send` and `Sync` for `BorrowedCursor`

This perf run didn't have relevant results for the `instruction count` metric.

Instruction count

This perf run didn't have relevant results for this metric.

Max RSS (memory usage)

This perf run didn't have relevant results for this metric.

Cycles

This perf run didn't have relevant results for this metric.

Binary size

This perf run didn't have relevant results for this metric.

#163097 `93284ca` OpenBSD/sparc64 has switched from GCC to Clang

This perf run didn't have relevant results for the `instruction count` metric.

Instruction count

This perf run didn't have relevant results for this metric.

Max RSS (memory usage)

This perf run didn't have relevant results for this metric.

Cycles

This perf run didn't have relevant results for this metric.

Binary size

This perf run didn't have relevant results for this metric.

#163126 `6dc061f` Skip redundant storage-conflict updates during coroutine layout

Instruction count

Our most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-0.2%	[-0.3%, -0.2%]	4
All ❌✅ (primary)	-	-	0

Max RSS (memory usage)

This perf run didn't have relevant results for this metric.

Cycles

This perf run didn't have relevant results for this metric.

Binary size

This perf run didn't have relevant results for this metric.

#163135 `78dcd66` librustdoc: remove stale dep on base64

This perf run didn't have relevant results for the `instruction count` metric.

Instruction count

This perf run didn't have relevant results for this metric.

Max RSS (memory usage)

This perf run didn't have relevant results for this metric.

Cycles

This perf run didn't have relevant results for this metric.

Binary size

This perf run didn't have relevant results for this metric.

#163146 `9164a7a` tests: Update `f16b` codegen test for LoongArch and RISC-V

This perf run didn't have relevant results for the `instruction count` metric.

Instruction count

This perf run didn't have relevant results for this metric.

Max RSS (memory usage)

This perf run didn't have relevant results for this metric.

Cycles

This perf run didn't have relevant results for this metric.

Binary size

This perf run didn't have relevant results for this metric.

#163159 `02d1298` treat inductive cycles as ambig

Instruction count

Our most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	0.3%	[0.3%, 0.3%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-	-	0

Max RSS (memory usage)

This perf run didn't have relevant results for this metric.

Cycles

This perf run didn't have relevant results for this metric.

Binary size

This perf run didn't have relevant results for this metric.

edwloef and others added 30 commits August 3, 2026 15:05

stabilize Box::take

c918352

Dedicated Display type for CStr::display

71ef655

Restore Send and Sync for BorrowedCursor

428aeee

OpenBSD/sparc64 has switched from GCC to Clang

c176c10

Skip redundant storage-conflict updates during coroutine layout

1403737

librustdoc: remove stale dep on base64

240e41a

This appears to have become unused in August 2025. I noticed today because of trying to consolidate versions of things in the toolchain.

we have the location_map at home

2269cba

simplify liveness sources to not need a lifetime or a location map

fix typo

acabd50

assorted cleanups in LivenessComputation::compute

87e35b5

- tiny renamings - tiny type simplifications (type ascription, closure return type) - fixing a comment

expand comment to match callback signature

38ca3d3

move LivenessSource to liveness module

4a461d0

and group it with related code

remove unneeded BorrowckInferCtxt from defer_local

ec908e6

remove pre-existing link that doesn't work

1d76d15

fix issue-156949

0875187

fix

f9276f4

changed to parser

355aec9

treat inductive cycles as ambig

622fd6a

Add f16 inline ASM support for nvptx64-nvidia-cuda

baf4778

clarify some names in record_legacy_polonius_drop_facts

3438e6f

remove unneeded type ascription

d72a519

remove allocation to create the local use map

6241eb0

add comment

9a3ab65

macro_metavar_expr_concat: support concatenating into string literals

6c0f3aa

tests: Update f16b codegen test for LoongArch and RISC-V

41ae947

Add target-specific revisions to the `f16b` codegen test to account for LoongArch and RISC-V lowering `f16b` to LLVM `half` rather than `bfloat`.

Document coroutine storage-conflict fast path

501b40c

Use wrapping arithmetic in from_str_radix

84a341b

Rollup merge of rust-lang#162837 - clarfonthey:c-str-display, r=Darksonn

6d10830

Dedicated Display type for CStr::display Tracking issue: rust-lang#139984 Should resolve the FCP concern.

JonathanBrouwer added 2 commits September 22, 2026 22:50

Rollup merge of rust-lang#163146 - heiher:ignore-f16b-la-rv, r=lqd

4ae1ff3

tests: Update `f16b` codegen test for LoongArch and RISC-V Fixes rust-lang#163145

rust-bors Bot added the rollup A PR which is a rollup label Sep 22, 2026

rust-bors Bot 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 Sep 22, 2026

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rust-bors Bot added merged-by-bors This PR was explicitly merged by bors. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Sep 23, 2026

rust-bors Bot merged commit 1a82b5d into rust-lang:main Sep 23, 2026
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rustbot added this to the 1.100.0 milestone Sep 23, 2026

This was referenced Sep 23, 2026

Prototype Callable lifetime dependencies through associated types #162745

Open

Speed up decimal integer parsing with SWAR #161019

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trait solver: Capture binder region constraints while relating #157984

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github-actions Bot commented Sep 23, 2026

Test differences

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rust-timer commented Sep 23, 2026

Overall result: ✅ improvements - no action needed

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rust-timer commented Sep 23, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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#156949 6f6f5d0 Detect missing else in let statement

#160436 dbf8e1f stabilize Box::take

#160570 75de217 macro_metavar_expr_concat: support concatenating into string literals

#162837 78982c5 Dedicated Display type for CStr::display

#163099 b41957f Use wrapping arithmetic in from_str_radix

#163166 6f6fc0f Tiny cleanups to deferred liveness

#161667 7294c32 Add f16 inline ASM support for nvptx64-nvidia-cuda

#163063 c252e42 Restore Send and Sync for BorrowedCursor

#163097 93284ca OpenBSD/sparc64 has switched from GCC to Clang

#163126 6dc061f Skip redundant storage-conflict updates during coroutine layout

#163135 78dcd66 librustdoc: remove stale dep on base64

#163146 9164a7a tests: Update f16b codegen test for LoongArch and RISC-V

#163159 02d1298 treat inductive cycles as ambig

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rust-timer commented Sep 23, 2026 •

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#156949 `6f6f5d0` Detect missing else in let statement

#160436 `dbf8e1f` stabilize `Box::take`

#160570 `75de217` macro_metavar_expr_concat: support concatenating into string literals

#162837 `78982c5` Dedicated Display type for CStr::display

#163099 `b41957f` Use wrapping arithmetic in `from_str_radix`

#163166 `6f6fc0f` Tiny cleanups to deferred liveness

#161667 `7294c32` Add `f16` inline ASM support for `nvptx64-nvidia-cuda`

#163063 `c252e42` Restore `Send` and `Sync` for `BorrowedCursor`

#163097 `93284ca` OpenBSD/sparc64 has switched from GCC to Clang

#163126 `6dc061f` Skip redundant storage-conflict updates during coroutine layout

#163135 `78dcd66` librustdoc: remove stale dep on base64

#163146 `9164a7a` tests: Update `f16b` codegen test for LoongArch and RISC-V

#163159 `02d1298` treat inductive cycles as ambig