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Rollup of 5 pull requests#153782

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JonathanBrouwer wants to merge 12 commits intorust-lang:mainfrom
JonathanBrouwer:rollup-p5MIIiQ
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Rollup of 5 pull requests#153782
JonathanBrouwer wants to merge 12 commits intorust-lang:mainfrom
JonathanBrouwer:rollup-p5MIIiQ

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Successful merges:

r? @ghost

Create a similar rollup

chenyukang and others added 12 commits January 13, 2026 20:55
Small structs (<= 64 bits) were being passed with their fields split
into separate arguments instead of being packed into register-sized
chunks. This caused ABI mismatches.

The fix properly casts small aggregates to consecutive register-sized
chunks using Uniform::consecutive(), matching the Hexagon C ABI where
small structs are packed into R1:0 register pair.

This fixes tests like extern-pass-TwoU16s.rs and extern-pass-TwoU8s.rs.
Correct the handling of aggregate types in extern "C" functions to match
the Hexagon ABI specification:

- Aggregates up to 32 bits: passed/returned in a single register (R0)
- Aggregates 33-64 bits: passed/returned in a register pair (R1:R0)
- Aggregates > 64 bits: passed on stack via byval, returned via sret

This fixes all tests/ui/abi/extern/ tests for Hexagon, including:
- extern-pass-TwoU8s, extern-pass-TwoU16s, extern-pass-TwoU32s
- extern-pass-TwoU64s, extern-pass-FiveU16s
- extern-return-TwoU8s, extern-return-TwoU16s, extern-return-TwoU32s
- extern-return-TwoU64s, extern-return-FiveU16s
…stion, r=lcnr

Detect existing turbofish on method calls to suppress useless suggestion

`expr_inferred_arg_iter` hardcoded `have_turbofish: false` for `MethodCall` expressions, while the `Path` case properly checked for existing type arguments via `segment.args`. This meant the "consider specifying the generic arguments" suggestion always fired on method calls, even when the user already had a turbofish, producing a suggestion that just rewrote user syntax into fully qualified form without resolving anything.

Fixes rust-lang#153732.

cc @eggyal
Remove `MTLock`

This removes the `MTLock` type and replaces it users with the regular `Lock`. It no longer makes sense now that we don't have a compile-time toggle for parallelism.
…-closure, r=wesleywiser

Fix wrong suggestion for returning async closure

Fixes rust-lang#150701

r? @estebank
…ywiser

Fix Hexagon ABI calling convention for small aggregates

Small structs (<= 64 bits) were being passed with their fields split into separate arguments instead of being packed into register-sized chunks. This caused ABI mismatches.

The fix properly casts small aggregates to consecutive register-sized chunks using Uniform::consecutive(), matching the Hexagon C ABI where small structs are packed into R1:0 register pair.

This fixes tests like extern-pass-TwoU16s.rs and extern-pass-TwoU8s.rs.
…Kobzol

Fix that `./x test --no-doc` actually keeps the same behaviour for backwards compatability

In rust-lang#153143 the `./x test --no-doc` flag was renamed to `--all-targets`.  I added a commit that keeps the `--no-doc` flag for backwards compatibility, but unfortunately I forgot to actually keep the behaviour the same, which is fixed by this PR.

r? @Kobzol
@rust-bors rust-bors bot added the rollup A PR which is a rollup label Mar 12, 2026
@rustbot rustbot added A-rustc-dev-guide Area: rustc-dev-guide S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Mar 12, 2026
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@bors r+ rollup=never p=5

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rust-bors bot commented Mar 12, 2026

📌 Commit 00aa2f8 has been approved by JonathanBrouwer

It is now in the queue for this repository.

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

@rust-bors 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 Mar 12, 2026
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rust-bors bot commented Mar 12, 2026

⌛ Trying commit 00aa2f8 with merge a58010d

To cancel the try build, run the command @bors try cancel.

Workflow: https://github.com/rust-lang/rust/actions/runs/23007478330

rust-bors bot pushed a commit that referenced this pull request Mar 12, 2026
Rollup of 5 pull requests


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
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rust-bors bot pushed a commit that referenced this pull request Mar 12, 2026
…uwer

Rollup of 5 pull requests

Successful merges:

 - #153751 (Detect existing turbofish on method calls to suppress useless suggestion)
 - #153780 (Remove `MTLock`)
 - #151194 (Fix wrong suggestion for returning async closure)
 - #151572 (Fix Hexagon ABI calling convention for small aggregates)
 - #153725 (Fix that `./x test --no-doc` actually keeps the same behaviour for backwards compatability)
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@bors try cancel

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rust-bors bot commented Mar 12, 2026

Try build cancelled. Cancelled workflows:

@rust-bors rust-bors bot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Mar 12, 2026
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rust-bors bot commented Mar 12, 2026

💔 Test for b5508ff failed: CI. Failed job:

@rust-bors rust-bors bot added the S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. label Mar 12, 2026
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rust-bors bot commented Mar 12, 2026

PR #151194, which is a member of this rollup, was unapproved.

@rust-bors rust-bors bot removed the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Mar 12, 2026
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The job pr-check-2 failed! Check out the build log: (web) (plain enhanced) (plain)

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

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The job x86_64-gnu-llvm-21-3 failed! Check out the build log: (web) (plain enhanced) (plain)

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

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@rustbot rustbot removed the S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. label Mar 13, 2026
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