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try enabling linker-messages by default again #149937

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@jyn514 jyn514 commented Dec 13, 2025 •
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  • Split out linker-info from linker-messages
  • Make linker-messages warn-by-default; keep linker-info deny-by-default

Helps with #136096.

@rustbot rustbot added A-attributes Area: Attributes (`#[…]`, `#![…]`) S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Dec 13, 2025
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saethlin commented Dec 13, 2025

@bors try

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rust-bors bot added a commit that referenced this pull request Dec 13, 2025
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Auto merge of #149937 - jyn514:linker-info, r=<try>
58b1b3c 
try enabling `linker-messages` by default again
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rust-bors bot commented Dec 13, 2025

☀️ Try build successful (CI)
Build commit: 58b1b3c (58b1b3c5342a414c161338871f8004258ccef2a7, parent: eb171a227f9e5de5d376b6edb56b174bc8235fb3)

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saethlin commented Dec 13, 2025

@craterbot build-only

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craterbot commented Dec 13, 2025

🚨 Error: failed to parse the command

🆘 If you have any trouble with Crater please ask in t-infra on Zulip
ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

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saethlin commented Dec 13, 2025

@craterbot run mode=build-only

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craterbot commented Dec 13, 2025

👌 Experiment pr-149937 created and queued.
🤖 Automatically detected try build 58b1b3c
🔍 You can check out the queue and this experiment's details.

ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

@craterbot craterbot added S-waiting-on-crater Status: Waiting on a crater run to be completed. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Dec 13, 2025
@rustbot rustbot added the A-run-make Area: port run-make Makefiles to rmake.rs label Dec 13, 2025
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@jyn514 jyn514 mentioned this pull request Dec 14, 2025
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matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Dec 14, 2025
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Rollup merge of rust-lang#149969 - jyn514:ibt, r=jieyouxu
efdd61d 
don't use no_main and no_core to test IBT

The previous test was quite fragile and depended on a bunch of internal features. Simplify it.

Split out of rust-lang#149937.

cc `@jieyouxu` `@Oneirical`
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Dec 14, 2025
@matthiaskrgr
Rollup merge of rust-lang#149969 - jyn514:ibt, r=jieyouxu
1b7cc44 
don't use no_main and no_core to test IBT

The previous test was quite fragile and depended on a bunch of internal features. Simplify it.

Split out of rust-lang#149937.

cc ``@jieyouxu`` ``@Oneirical``
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Dec 14, 2025
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Rollup merge of rust-lang#149969 - jyn514:ibt, r=jieyouxu
98f8736 
don't use no_main and no_core to test IBT

The previous test was quite fragile and depended on a bunch of internal features. Simplify it.

Split out of rust-lang#149937.

cc ```@jieyouxu``` ```@Oneirical```
rust-timer added a commit that referenced this pull request Dec 15, 2025
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Unrolled build for #149969
d399792 
Rollup merge of #149969 - jyn514:ibt, r=jieyouxu

don't use no_main and no_core to test IBT

The previous test was quite fragile and depended on a bunch of internal features. Simplify it.

Split out of #149937.

cc ```@jieyouxu``` ```@Oneirical```
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bors commented Dec 15, 2025

☔ The latest upstream changes (presumably #149999) made this pull request unmergeable. Please resolve the merge conflicts.

github-actions bot pushed a commit to rust-lang/miri that referenced this pull request Dec 18, 2025
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Rollup merge of #149969 - jyn514:ibt, r=jieyouxu
a0921cf 
don't use no_main and no_core to test IBT

The previous test was quite fragile and depended on a bunch of internal features. Simplify it.

Split out of rust-lang/rust#149937.

cc ```@jieyouxu``` ```@Oneirical```
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craterbot commented Dec 25, 2025

🚧 Experiment pr-149937 is now running

ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

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craterbot commented Dec 27, 2025

🎉 Experiment pr-149937 is completed!
📊 24 regressed and 5 fixed (758860 total)
📊 2582 spurious results on the retry-regressed-list.txt, consider a retry1 if this is a significant amount.
📰 Open the summary report.

⚠️ If you notice any spurious failure please add them to the denylist!
ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

Footnotes

  1. re-run the experiment with crates=https://crater-reports.s3.amazonaws.com/pr-149937/retry-regressed-list.txt ↩

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jyn514 commented Feb 6, 2026

@bors try jobs=x86_64-mingw-1,x86_64-mingw-2

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rust-bors bot pushed a commit that referenced this pull request Feb 6, 2026
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Auto merge of #149937 - jyn514:linker-info, r=<try>
02e4e25 
try enabling `linker-messages` by default again


try-job: x86_64-mingw-1
try-job: x86_64-mingw-2
@rustbot rustbot added A-tidy Area: The tidy tool T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) labels Feb 6, 2026
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rust-bors bot commented Feb 6, 2026

💔 Test for 02e4e25 failed: CI. Failed job:

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mati865 commented Feb 6, 2026

error: ui test did not emit an error

😌

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mati865 commented Feb 7, 2026

I think Use a fake linker so tests are platform-independent commit should be squashed into the commit that adds the test, so we don't have a commit that surely fails the tests.
I'll give it another review pass in a few days, when flu no longer blocks my reasoning.

jyn514 and others added 4 commits February 7, 2026 22:37
@jyn514
Split is_msvc_link_exe into a function
ffa3878
@jyn514
Split report_linker_output into its own function
4a192c8
@jyn514
Split out linker-info from linker-messages
0bea000 
- Hide common linker output behind `linker-info`
- Add tests
- Account for different capitalization on windows-gnu when removing
  "warning" prefix
- Add some more comments
- Add macOS deployment-target test
- Ignore linker warnings from trying to statically link glibc

  I don't know what's going on in `nofile-limit.rs` but I want no part
  of it.

- Use a fake linker so tests are platform-independent
@jyn514
Set linker-messages to warn-by-default
8ee8d40
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rustbot commented Feb 8, 2026

This PR was rebased onto a different main commit. Here's a range-diff highlighting what actually changed.

Rebasing is a normal part of keeping PRs up to date, so no action is needed—this note is just to help reviewers.

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mati865 commented Feb 10, 2026 •
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Thanks for this change!

bors r+

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mati865 commented Feb 10, 2026

oops

@bors r+

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rust-bors bot commented Feb 10, 2026

📌 Commit 8ee8d40 has been approved by mati865

It is now in the queue for this repository.

@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-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Feb 10, 2026
JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request Feb 10, 2026
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Rollup merge of rust-lang#149937 - jyn514:linker-info, r=mati865
e84931a 
try enabling `linker-messages` by default again

- Split out `linker-info` from `linker-messages`
- Make `linker-messages` warn-by-default; keep `linker-info` deny-by-default

Helps with rust-lang#136096.
@JonathanBrouwer JonathanBrouwer mentioned this pull request Feb 10, 2026
Closed
JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request Feb 10, 2026
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Rollup merge of rust-lang#149937 - jyn514:linker-info, r=mati865
3ae1e59 
try enabling `linker-messages` by default again

- Split out `linker-info` from `linker-messages`
- Make `linker-messages` warn-by-default; keep `linker-info` deny-by-default

Helps with rust-lang#136096.
@JonathanBrouwer JonathanBrouwer mentioned this pull request Feb 10, 2026
Closed
rust-bors bot pushed a commit that referenced this pull request Feb 10, 2026
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Auto merge of #152451 - JonathanBrouwer:rollup-1mjEpG1, r=JonathanBro…
e1f5019 
…uwer

Rollup of 13 pull requests

Successful merges:

 - #149937 (try enabling `linker-messages` by default again)
 - #151733 (Use function shims to make sure EII works on apple targets)
 - #152120 (Don't ICE on layout error in vtable computation)
 - #152419 (Move more query system code)
 - #152431 (Restrict the set of things that const stability can be applied to)
 - #152436 (Reenable a GCI+mGCA+GCPT test case)
 - #151142 (Support ADT types in type info reflection)
 - #152021 (Bump tvOS, visionOS and watchOS Aarch64 targets to tier 2)
 - #152146 (mGCA: Add associated const type check)
 - #152372 (style: remove unneeded trailing commas)
 - #152383 (BikeshedGuaranteedNoDrop trait: add comments indicating that it can be observed on stable)
 - #152397 (Update books)
 - #152441 (Fix typos and grammar in top-level and src/doc documentation)
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matthiaskrgr commented Feb 10, 2026

@bors r-
looks like this failed here
#152451 (comment)

@rust-bors rust-bors bot added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Feb 10, 2026
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