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Add regression test for issue #99173#150504

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AprilNEA:fix-99173
Jan 2, 2026
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Add regression test for issue #99173#150504
bors merged 1 commit intorust-lang:mainfrom
AprilNEA:fix-99173

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@AprilNEA AprilNEA commented Dec 30, 2025 •
edited by rustbot
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Close #99173.

Adds a regression test for #99173, which was an ICE that occurred when a proc-macro generated code that invoked another proc-macro returning an empty TokenStream.

@AprilNEA
Add regression test for issue 99173
b3c3604 
Adds a test for nested proc-macro calls where the inner macro returns an
empty TokenStream.
This previously caused an ICE in rustc_resolve.
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rustbot commented Dec 30, 2025

Failed to set assignee to mjul: invalid assignee

Note: Only org members with at least the repository "read" role, users with write permissions, or people who have commented on the PR may be assigned.

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Dec 30, 2025
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AprilNEA commented Dec 30, 2025

r? @cyrgani

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reddevilmidzy commented Dec 31, 2025

Please add close #99173 to the PR description so that the issue is automatically closed when the PR is merged.

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AprilNEA commented Jan 1, 2026

@cyrgani

Done. BTW, can you review this pr?

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JonathanBrouwer commented Jan 1, 2026

@bors r+ rollup

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bors commented Jan 1, 2026

📌 Commit b3c3604 has been approved by JonathanBrouwer

It is now in the queue for this repository.

@bors bors 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 Jan 1, 2026
bors added a commit that referenced this pull request Jan 1, 2026
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Auto merge of #150504 - AprilNEA:fix-99173, r=JonathanBrouwer
f370be2 
Add regression test for issue #99173

Close #99173.

Adds a regression test for #99173, which was an ICE that occurred when a proc-macro generated code that invoked another proc-macro returning an empty `TokenStream`.
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bors commented Jan 1, 2026

⌛ Testing commit b3c3604 with merge f370be2...

@JonathanBrouwer JonathanBrouwer mentioned this pull request Jan 1, 2026
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JonathanBrouwer commented Jan 1, 2026

@bors retry
I think it's probably stuck, yielding to enclosing rollup

bors added a commit that referenced this pull request Jan 1, 2026
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Auto merge of #150575 - JonathanBrouwer:rollup-veh2d0h, r=JonathanBro…
056908d 
…uwer

Rollup of 4 pull requests

Successful merges:

 - #150382 (Tweak wording of diff marker diagnostic)
 - #150431 (test and document that `proc_macro::Ident` is NFC-normalized)
 - #150504 (Add regression test for issue #99173)
 - #150568 (Update triagebot config for `compiler-errors`, `tests/{run-make,run-make-cargo}` and `fallback` adhoc_group)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit ed5a529 into rust-lang:main Jan 2, 2026
11 of 12 checks passed
@rustbot rustbot added this to the 1.94.0 milestone Jan 2, 2026
rust-timer added a commit that referenced this pull request Jan 2, 2026
@rust-timer
Unrolled build for #150504
00b0501 
Rollup merge of #150504 - AprilNEA:fix-99173, r=JonathanBrouwer

Add regression test for issue #99173

Close #99173.

Adds a regression test for #99173, which was an ICE that occurred when a proc-macro generated code that invoked another proc-macro returning an empty `TokenStream`.
@github-actions github-actions Bot mentioned this pull request Jan 27, 2026
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Successfully merging this pull request may close these issues.

Compile panic in nested empty proc_macro

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