Rollup of 28 pull requests by JonathanBrouwer · Pull Request #159966 · rust-lang/rust

JonathanBrouwer · 2026-07-26T13:47:31Z

Successful merges:

bootstrap: Split the Step trait into multiple traits #159638 (bootstrap: Split the Step trait into multiple traits)
rustc_trait_selection: fix trait solver hang caused by degenerate obligations #159774 (rustc_trait_selection: fix trait solver hang caused by degenerate obligations)
line-tables-only test: check that the line number matches the function name #159837 (line-tables-only test: check that the line number matches the function name)
Update Enzyme submodule to imporve llvm-cov #159946 (Update Enzyme submodule to imporve llvm-cov)
miri subtree update #159962 (miri subtree update)
tests: extend remap-path-prefix-std to all stdlib rlibs #156570 (tests: extend remap-path-prefix-std to all stdlib rlibs)
Fix up #[linkage] target checking #159617 (Fix up #[linkage] target checking)
Improve workings of attribute suggestions #159633 (Improve workings of attribute suggestions)
std: Switch implementations of thread_local! for WASI #159733 (std: Switch implementations of thread_local! for WASI)
Check unsafe impls on safe EIIs #159783 (Check unsafe impls on safe EIIs)
Add tuple never coercion collection regression test #159810 (Add tuple never coercion collection regression test)
Remove redundant #[rustc_paren_sugar] feature gate #159826 (Remove redundant #[rustc_paren_sugar] feature gate)
Implement str::copy_from_str #159846 (Implement str::copy_from_str)
rustc_parse: Stop returning Option from statement parsing #159849 (rustc_parse: Stop returning Option from statement parsing)
Updated expect messages for CString struct and method documentation #159853 (Updated expect messages for CString struct and method documentation)
More cleanup in rustc_attr_parsing #159875 (More cleanup in rustc_attr_parsing)
Update expect messages in library/alloc/boxed.rs and library/alloc/string.rs to follow the style guide #159882 (Update expect messages in library/alloc/boxed.rs and library/alloc/string.rs to follow the style guide)
Split multiline derives into std/rustc macros #159891 (Split multiline derives into std/rustc macros)
Fix find_attr hygiene and rustc_hir cleanups #159893 (Fix find_attr hygiene and rustc_hir cleanups)
rustc-dev-guide subtree update #159895 (rustc-dev-guide subtree update)
Clarify that the expected runtime symbols signature is for the current target only #159902 (Clarify that the expected runtime symbols signature is for the current target only)
Fix error in diagnostic on_unmatched_args #159914 (Fix error in diagnostic on_unmatched_args)
spare capacity mut constification #159917 (spare capacity mut constification)
rename abort_unwind → abort_on_unwind #159918 (rename abort_unwind → abort_on_unwind)
Remove sve2 from the ImpliedFeatures of AArch64 v9a. #159927 (Remove sve2 from the ImpliedFeatures of AArch64 v9a.)
Minor rustc_ast::ast doc cleanups #159936 (Minor rustc_ast::ast doc cleanups)
Update expect messages in library/core/src/ptr/non_null.rs #159945 (Update expect messages in library/core/src/ptr/non_null.rs)
Add CFI tests for return types and never type #159950 (Add CFI tests for return types and never type)

Use `local_to_op` and the operand storage shape to render initialized immediate locals through Miri's Immediate display implementation. Keep mplace-backed locals as `<indirect>` for now, preserve explicit dead/uninit states, and expose interpreter errors in `LocalDesc`.value. Add value-shape and metadata-sized local fixtures for the next indirect rendering slices.

Resolve allocation-backed mplace locals and display their allocation contents with dump_alloc. Keep unsupported provenance as <indirect> and update the fixtures for the temporary diagnostic allocation output.

This updates the rust-version file to c904ba3.

Pull recent changes from https://github.com/rust-lang/rust via Josh. Upstream ref: rust-lang/rust@c904ba3 Filtered ref: rust-lang/miri@d686e0d Upstream diff: rust-lang/rust@4a9d536...c904ba3 This merge was created using https://github.com/rust-lang/josh-sync.

Automatic Rustup

Replace the diagnostic dump_alloc output with a Priroda-owned byte renderer for mplace-backed locals. Compute the current value size with size_and_align_of_val, inspect only the mplace byte range, and render uninitialized bytes with an explicit marker.

Render complete pointer provenance while dumping indirect local values. Preserve initialized and uninitialized byte ranges, including padding and partial pointer bytes, and report unsupported unsized values explicitly. Add UI coverage for pointer positions, nonzero target offsets, uninitialized regions, and partial provenance.

Add a `follow` command that renders allocation bytes starting at a given allocation offset, reusing the provenance-aware allocation byte renderer used for indirect locals. Document the command and cover following a rendered pointer allocation in the pointer-rendering UI test.

…dling [Priroda] Render indirect local values

support `neon.tbl*` intrinsics

When using `RUSTFLAGS="-Ctarget-features=+avx512f"`, the Rust compiler complains: error: unknown codegen option: `target-features` The actual option uses the singular form.

…eature-typo readme: fix misspelling of `-Ctarget-feature`

add a riscv target to CI

This updates the rust-version file to 1af98b7.

Pull recent changes from https://github.com/rust-lang/rust via Josh. Upstream ref: rust-lang/rust@1af98b7 Filtered ref: rust-lang/miri@c4103d8 Upstream diff: rust-lang/rust@c904ba3...1af98b7 This merge was created using https://github.com/rust-lang/josh-sync.

…nsic support" This reverts commit 785e740bb5c1d9166717c93612f7b9f99fee1caf. The additional intrinsic support has meanwhile been implemented.

Rustup

This commit is a change for all WASI targets to use a different underlying implementation in the standard library for `thread_local!`. Previously all wasm targets, without the `atomics` feature, were funneled into the `no_threads` implementation and various fallbacks in the `thread_local` module. The upcoming `wasm32-wasip3` target, however, will actually have threads and will need different treatment. Additionally the modules that `wasm32-wasip3` needs all already work on all other WASI targets as well -- for example the `pthread_*` symbols needed to manage destructors are exposed by `wasi-libc`. The end result is that the `wasm32-wasip3` target will be "ready for threads" as soon as `wasi-libc` has support. Other targets shouldn't have any functional difference from before, too.

This updates the rust-version file to 390279b.

Pull recent changes from https://github.com/rust-lang/rust via Josh. Upstream ref: rust-lang/rust@390279b Filtered ref: rust-lang/miri@161dd69 Upstream diff: rust-lang/rust@1af98b7...390279b This merge was created using https://github.com/rust-lang/josh-sync.

Add a CLI fixture covering a projected memory-backed field inside a larger aggregate. This locks in that projected values render only their own MPlace layout bytes instead of trailing bytes from the parent allocation.

Keep projected MIR Places long enough to evaluate them with `eval_place_to_op`, then reuse the existing raw operand renderer for immediate and memory-backed values. This removes `<unsupported-projection>` from projected locals, including fields, enum projections, references, and dereferences. Update the projected debug-info UI expectations and verify the full Priroda suite.

Automatic Rustup

[Priroda] Render projected debug-info values

JonathanBrouwer · 2026-07-26T13:47:43Z

@bors r+ rollup=never p=5

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

rust-bors · 2026-07-26T13:47:47Z

📌 Commit e6a1a8f has been approved by JonathanBrouwer

It is now in the queue for this repository.

🌲 The tree is currently closed for pull requests below priority 100. This pull request will be tested once the tree is reopened.

Reason for tree closure: spurious failures

Rollup of 28 pull requests try-job: dist-various-1 try-job: test-various try-job: x86_64-gnu-aux try-job: x86_64-gnu-llvm-21-3 try-job: x86_64-msvc-1 try-job: aarch64-apple try-job: x86_64-mingw-1 try-job: i686-msvc-*

JonathanBrouwer · 2026-07-26T13:48:06Z

@bors p=100

rust-bors · 2026-07-26T16:34:07Z

⌛ Testing commit e6a1a8f with merge 6dc7429...

Workflow: https://github.com/rust-lang/rust/actions/runs/30210726766

…uwer Rollup of 28 pull requests Successful merges: - #159638 (bootstrap: Split the `Step` trait into multiple traits) - #159774 (rustc_trait_selection: fix trait solver hang caused by degenerate obligations) - #159837 (line-tables-only test: check that the line number matches the function name) - #159946 (Update Enzyme submodule to imporve llvm-cov) - #159962 (miri subtree update) - #156570 (tests: extend remap-path-prefix-std to all stdlib rlibs) - #159617 (Fix up `#[linkage]` target checking) - #159633 (Improve workings of attribute suggestions) - #159733 (std: Switch implementations of `thread_local!` for WASI) - #159783 (Check unsafe impls on safe EIIs) - #159810 (Add tuple never coercion collection regression test) - #159826 (Remove redundant `#[rustc_paren_sugar]` feature gate) - #159846 (Implement `str::copy_from_str`) - #159849 (rustc_parse: Stop returning `Option` from statement parsing) - #159853 (Updated expect messages for `CString` struct and method documentation) - #159875 (More cleanup in `rustc_attr_parsing`) - #159882 (Update expect messages in library/alloc/boxed.rs and library/alloc/string.rs to follow the style guide) - #159891 (Split multiline derives into std/rustc macros) - #159893 (Fix `find_attr` hygiene and `rustc_hir` cleanups) - #159895 (rustc-dev-guide subtree update) - #159902 (Clarify that the expected runtime symbols signature is for the current target only) - #159914 (Fix error in diagnostic on_unmatched_args) - #159917 (spare capacity mut constification) - #159918 (rename abort_unwind → abort_on_unwind) - #159927 (Remove sve2 from the ImpliedFeatures of AArch64 v9a.) - #159936 (Minor `rustc_ast::ast` doc cleanups) - #159945 (Update expect messages in library/core/src/ptr/non_null.rs) - #159950 (Add CFI tests for return types and never type)

rust-log-analyzer · 2026-07-26T16:59:08Z

The job x86_64-mingw-1 failed! Check out the build log: (web) (plain enhanced) (plain)

Click to see the possible cause of the failure (guessed by this bot)

---- [run-make] tests\run-make-cargo\amdgpu-lto stdout ----

error: rmake recipe failed to complete
status: exit code: 1
command: "D:\\a\\rust\\rust\\build\\x86_64-pc-windows-gnu\\test\\run-make-cargo\\amdgpu-lto\\rmake.exe"
stdout: none
--- stderr -------------------------------
command failed at line 27
"D:\\a\\rust\\rust\\build\\x86_64-pc-windows-gnu\\stage2-tools-bin\\cargo.exe" "build" "--release" "--lib" "--manifest-path" "Cargo.toml" "-Zbuild-std=core" "--target" "amdgcn-amd-amdhsa"
output status: `exit code: 101`
---
    Blocking waiting for file lock on package cache
    Blocking waiting for file lock on package cache
   Compiling compiler_builtins v0.1.160 (D:\a\rust\rust\build\x86_64-pc-windows-gnu\stage2\lib\rustlib\src\rust\library\compiler-builtins\compiler-builtins)
   Compiling core v0.0.0 (D:\a\rust\rust\build\x86_64-pc-windows-gnu\stage2\lib\rustlib\src\rust\library\core)
   Compiling amdgpu_lto v0.1.0 (D:\a\rust\rust\build\x86_64-pc-windows-gnu\test\run-make-cargo\amdgpu-lto\rmake_out)
error: linking with `rust-lld` failed: exit code: 0xc0000374
  |
  = note: "rust-lld" "-flavor" "gnu" "--version-script=D:\\a\\rust\\rust\\build\\x86_64-pc-windows-gnu\\test\\run-make-cargo\\amdgpu-lto\\rmake_out\\target\\amdgcn-amd-amdhsa\\release\\deps\\rustcuN53RH\\list" "--no-undefined-version" "<1 object files omitted>" "--as-needed" "-L" "D:\\a\\rust\\rust\\build\\x86_64-pc-windows-gnu\\test\\run-make-cargo\\amdgpu-lto\\rmake_out\\target\\amdgcn-amd-amdhsa\\release\\deps\\rustcuN53RH\\raw-dylibs" "-Bdynamic" "--eh-frame-hdr" "-z" "noexecstack" "-o" "D:\\a\\rust\\rust\\build\\x86_64-pc-windows-gnu\\test\\run-make-cargo\\amdgpu-lto\\rmake_out\\target\\amdgcn-amd-amdhsa\\release\\deps\\amdgpu_lto.elf" "--gc-sections" "-shared" "-O1" "--strip-debug"
  = note: some arguments are omitted. use `--verbose` to show all linker arguments
  = note: 

error: could not compile `amdgpu_lto` (lib) due to 1 previous error
------------------------------------------

---- [run-make] tests\run-make-cargo\amdgpu-lto stdout end ----

failures:
---
Currently active steps:
test::RunMakeCargo { test_compiler: Compiler { stage: 2, host: x86_64-pc-windows-gnu, forced_compiler: false }, target: x86_64-pc-windows-gnu } at src\bootstrap\src\core\build_steps\test.rs:1965
test::Compiletest { test_compiler: Compiler { stage: 2, host: x86_64-pc-windows-gnu, forced_compiler: false }, target: x86_64-pc-windows-gnu, mode: run-make, suite: "run-make-cargo", path: "tests/run-make-cargo", compare_mode: None } at src\bootstrap\src\core\build_steps\test.rs:1965
Build completed unsuccessfully in 3:01:43
make: *** [Makefile:126: ci-mingw-x] Error 1
  local time: Sun Jul 26 16:58:51 CUT 2026
  network time: Sun, 26 Jul 2026 16:58:51 GMT
##[error]Process completed with exit code 2.
##[group]Run echo "disk usage:"
echo "disk usage:"

rust-bors · 2026-07-26T17:01:10Z

💔 Test for a23f299 failed: CI. Failed job:

try - x86_64-mingw-1 (web logs, enhanced plaintext logs)

JonathanBrouwer · 2026-07-26T17:03:10Z

@bors r-

rust-bors · 2026-07-26T17:03:14Z

This pull request was unapproved.

Auto build was cancelled due to unapproval. Cancelled workflows:

https://github.com/rust-lang/rust/actions/runs/30210726766

View changes since this unapproval

JonathanBrouwer · 2026-07-26T17:14:18Z

No clue which PR caused this, started some try jobs while I'm allowing rollup=never prs to run

JonathanBrouwer · 2026-07-26T18:21:31Z

Just making sure this reproduces
@bors try jobs=x86_64-mingw-1

Rollup of 28 pull requests try-job: x86_64-mingw-1

rust-bors · 2026-07-26T20:50:47Z

☀️ Try build successful (CI)
Build commit: 37fa134 (37fa134a238e0285aa78aa860fcde862579a488a)
Base parent: 9451e06 (9451e069c34e1d7db23a155dcf9c25d1bc127055)

JonathanBrouwer · 2026-07-26T20:52:51Z

Omg it's spurious that explains why it was so weird...
@bors retry

rust-bors · 2026-07-26T20:52:53Z

❗ You can only retry pull requests that are approved and have a previously failed auto build.

JonathanBrouwer · 2026-07-26T20:53:03Z

@bors r+

rust-bors · 2026-07-26T20:53:06Z

📌 Commit e6a1a8f has been approved by JonathanBrouwer

It is now in the queue for this repository.

JonathanBrouwer · 2026-07-26T20:53:56Z

@bors treeopen
It has been relatively well behaved I think?

rust-bors · 2026-07-26T20:53:59Z

Tree is now open for merging.

rust-bors · 2026-07-26T23:28:07Z

⌛ Testing commit e6a1a8f with merge dfbea5b...

Workflow: https://github.com/rust-lang/rust/actions/runs/30225314443

…uwer Rollup of 28 pull requests Successful merges: - #159638 (bootstrap: Split the `Step` trait into multiple traits) - #159774 (rustc_trait_selection: fix trait solver hang caused by degenerate obligations) - #159837 (line-tables-only test: check that the line number matches the function name) - #159946 (Update Enzyme submodule to imporve llvm-cov) - #159962 (miri subtree update) - #156570 (tests: extend remap-path-prefix-std to all stdlib rlibs) - #159617 (Fix up `#[linkage]` target checking) - #159633 (Improve workings of attribute suggestions) - #159733 (std: Switch implementations of `thread_local!` for WASI) - #159783 (Check unsafe impls on safe EIIs) - #159810 (Add tuple never coercion collection regression test) - #159826 (Remove redundant `#[rustc_paren_sugar]` feature gate) - #159846 (Implement `str::copy_from_str`) - #159849 (rustc_parse: Stop returning `Option` from statement parsing) - #159853 (Updated expect messages for `CString` struct and method documentation) - #159875 (More cleanup in `rustc_attr_parsing`) - #159882 (Update expect messages in library/alloc/boxed.rs and library/alloc/string.rs to follow the style guide) - #159891 (Split multiline derives into std/rustc macros) - #159893 (Fix `find_attr` hygiene and `rustc_hir` cleanups) - #159895 (rustc-dev-guide subtree update) - #159902 (Clarify that the expected runtime symbols signature is for the current target only) - #159914 (Fix error in diagnostic on_unmatched_args) - #159917 (spare capacity mut constification) - #159918 (rename abort_unwind → abort_on_unwind) - #159927 (Remove sve2 from the ImpliedFeatures of AArch64 v9a.) - #159936 (Minor `rustc_ast::ast` doc cleanups) - #159945 (Update expect messages in library/core/src/ptr/non_null.rs) - #159950 (Add CFI tests for return types and never type)

moabo3li and others added 30 commits July 18, 2026 08:00

[Priroda] Render indirect locals with allocation dumps

037fbe7

Resolve allocation-backed mplace locals and display their allocation contents with dump_alloc. Keep unsupported provenance as <indirect> and update the fixtures for the temporary diagnostic allocation output.

Prepare for merging from rust-lang/rust

cc00f34

This updates the rust-version file to c904ba3.

Merge pull request rust-lang#5218 from rust-lang/rustup-2026-07-19

e69e7d2

Automatic Rustup

Merge pull request rust-lang#5217 from moabo3li/local-value-bytes-han…

9b5b406

…dling [Priroda] Render indirect local values

support neon.tbl* intrinsics

f9c7888

add a riscv target to CI

763fe4d

Merge pull request rust-lang#5219 from folkertdev/aarch64-table

2c92e6d

support `neon.tbl*` intrinsics

readme: fix misspelling of -Ctarget-feature

810cdc0

When using `RUSTFLAGS="-Ctarget-features=+avx512f"`, the Rust compiler complains: error: unknown codegen option: `target-features` The actual option uses the singular form.

bump libc

afefb4f

Merge pull request rust-lang#5221 from niooss-ledger/readme-Ctarget-f…

132caa8

…eature-typo readme: fix misspelling of `-Ctarget-feature`

Merge pull request rust-lang#5216 from RalfJung/riscv

940657f

add a riscv target to CI

Prepare for merging from rust-lang/rust

6ca5127

This updates the rust-version file to 1af98b7.

Revert "disable portable_simd miri test that needs additional intri…

94fde0c

…nsic support" This reverts commit 785e740bb5c1d9166717c93612f7b9f99fee1caf. The additional intrinsic support has meanwhile been implemented.

disable swizzle_dyn test on loongarch

cabd1f1

Merge pull request rust-lang#5224 from RalfJung/rustup

7e9fba3

Rustup

Prepare for merging from rust-lang/rust

525e1aa

This updates the rust-version file to 390279b.

[Priroda] Test projected mplace value range rendering

21b23c2

Add a CLI fixture covering a projected memory-backed field inside a larger aggregate. This locks in that projected values render only their own MPlace layout bytes instead of trailing bytes from the parent allocation.

Merge pull request rust-lang#5225 from rust-lang/rustup-2026-07-23

c9492bb

Automatic Rustup

Merge pull request rust-lang#5220 from moabo3li/handle-projected-values

a9bc5ec

[Priroda] Render projected debug-info values

Add tuple never coercion collection regression test

1bd4fa0

Check unsafe impls on safe EIIs

bae7e21

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rust-bors Bot pushed a commit that referenced this pull request Jul 26, 2026

Auto merge of #159966 - JonathanBrouwer:rollup-efqUEIj, r=<try>

37fa134

Rollup of 28 pull requests try-job: x86_64-mingw-1

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