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authorStuart Cook <Zalathar@users.noreply.github.com>2025-07-29 16:16:46 +1000
committerGitHub <noreply@github.com>2025-07-29 16:16:46 +1000
commitcac55bdd688f4a1bd84263e603ddb34e7d176b51 (patch)
treebf7659c12573dcb77c14ce7309ac2a8a1878c226 /tests/coverage/auto-derived.base.cov-map
parent95781464e0114ceb388f4a5d3dece46f4551935a (diff)
parent7ca4d1f6a155e802b31cfc1f0971f3916aa8e02d (diff)
downloadrust-cac55bdd688f4a1bd84263e603ddb34e7d176b51.tar.gz
rust-cac55bdd688f4a1bd84263e603ddb34e7d176b51.zip
Rollup merge of #144616 - Zalathar:try-in-macro, r=jieyouxu
coverage: Regression test for "function name is empty" bug

Regression test for rust-lang/rust#141577, which was triggered by rust-lang/rust#144298.

The bug was triggered by a particular usage of the `?` try operator in a proc-macro expansion.

Thanks to lqd for the minimization at https://github.com/rust-lang/rust/pull/144571#issuecomment-3127534223.

---

I have manually verified that reverting the relevant follow-up fixes (rust-lang/rust#144480 and rust-lang/rust#144530) causes this test to reproduce the bug:

```sh
git revert -m1 8aa3d41b8527f9f78e0f2459b50a6e13aea35144 c462895a6f0b463ff0c1c1db2a3a654d7e5976c7
```

---

r? compiler
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