Rollup of 6 pull requests by JonathanBrouwer · Pull Request #156397 · rust-lang/rust

JonathanBrouwer · 2026-05-10T14:13:05Z

Successful merges:

rustdoc: Reify emission types #155679 (rustdoc: Reify emission types)
Fix closure HIR span context mismatch #155982 (Fix closure HIR span context mismatch)
Handle --print=backend-has-mnemonic in cg_clif #156323 (Handle --print=backend-has-mnemonic in cg_clif)
compiletest: Migrate from PassMode/FailMode to PassFailMode #156129 (compiletest: Migrate from PassMode/FailMode to PassFailMode)
stream_send_recv_stress tests: wait for threads to finish #156365 (stream_send_recv_stress tests: wait for threads to finish)
Fix invalid unreachable in is_known_valid_scrutinee for Reborrow #156368 (Fix invalid unreachable in is_known_valid_scrutinee for Reborrow)

This commit introduces `PassFailMode` as an internal detail of `TestProps`, but the full migration is left to a subsequent commit.

And introduce a has_mnemonic method on CodegenBackend just like --print=backend-has-zstd

…s, r=notriddle rustdoc: Reify emission types Implements rust-lang#155374 (comment): Instead of maintaining the hidden assumption or invariant that `opts.emit.is_empty()` actually means "emit default artifacts" (i.e., `[HtmlStaticFiles, HtmlNonStaticFiles]` under output format `html`; "`[???]`" under output format `json`), actually *reify* the list of emission types so the rest of the code doesn't need to keep this in mind. I'm not sure if you like this. It's a tinge overengineered, maybe, but it's more robust I claim. This PR also rejects `--emit` when `--output-format doctest -Zunstable-options` is passed since the latter doesn't honor emission types at all (yet).

…kang Fix closure HIR span context mismatch Ensure span has the closure expression's SyntaxContext. Closes rust-lang#155724

…wiser Handle --print=backend-has-mnemonic in cg_clif And introduce a `has_mnemonic` method on `CodegenBackend` just like `--print=backend-has-zstd`.

compiletest: Migrate from `PassMode`/`FailMode` to `PassFailMode` Every UI test has an explicit or implicit “pass/fail mode” (e.g. `check-fail` or `build-pass`) that was historically stored in two separate optional fields (`pass_mode` and `fail_mode`). That split made it very hard to determine how the respective values were actually produced and consumed, especially in the presence of `--pass=check` on the command-line, or when building auxiliary crates. This PR replaces the separate fields and enums for pass-mode and fail-mode with a single `PassFailMode` enum and a single `pass_fail_mode` field. With this new representation, it should hopefully be easier to understand and modify the pass/fail-mode logic. --- In order to focus on the main migration, I have mostly refrained from subsequent cleanups. r? jieyouxu

…r=nia-e stream_send_recv_stress tests: wait for threads to finish These tests currently fail in Miri (when run with nextest) because all they do is spawn a lot of threads that will do stuff, but they don't wait for the threads to actually finish. Miri by default errors when there are background threads lingering when `main` is done (since that can indicate a leak, and since it makes it impossible to check for memory leaks). Miri gives background threads a bit of time to finish when `main` is done, but for these tests that's nowhere near enough since basically the entire test runs after `main` is done. Outside Miri, this could also still mean that the test doesn't actually run to completion, it might get abort when `main` finishes. So let's use `thread::scope` to ensure all threads are done before the test is considered done.

…nt, r=Nadrieril Fix invalid unreachable in is_known_valid_scrutinee for Reborrow Fixes rust-lang#156304 Part of the Reborrow traits experiment rust-lang#145612

JonathanBrouwer · 2026-05-10T14:13:28Z

@bors r+ rollup=never p=5

rust-bors · 2026-05-10T14:13:31Z

📌 Commit d33589d has been approved by JonathanBrouwer

It is now in the queue for this repository.

…uwer Rollup of 6 pull requests Successful merges: - #155679 (rustdoc: Reify emission types) - #155982 (Fix closure HIR span context mismatch) - #156323 (Handle --print=backend-has-mnemonic in cg_clif) - #156129 (compiletest: Migrate from `PassMode`/`FailMode` to `PassFailMode`) - #156365 (stream_send_recv_stress tests: wait for threads to finish) - #156368 (Fix invalid unreachable in is_known_valid_scrutinee for Reborrow)

rust-log-analyzer · 2026-05-10T15:19:04Z

The job x86_64-gnu-llvm-21-1 failed! Check out the build log: (web) (plain enhanced) (plain)

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

test expr_store::scope::tests::macro_inner_item ... ok
test expr_store::scope::tests::test_resolve_local_name_shadow ... ok
test expr_store::tests::body::array_element_cfg ... ok
test expr_store::scope::tests::test_shadow_variable ... ok
error: test failed, to rerun pass `-p hir-def --lib`

Caused by:
  process didn't exit successfully: `/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/hir_def-c439368f2b64a049 '--skip=tests::smoke_test_real_sysroot_cargo' --skip=check_code_formatting -Z unstable-options --format json` (signal: 11, SIGSEGV: invalid memory reference)
Bootstrap failed while executing `--stage 2 test --skip tests --skip coverage-map --skip coverage-run --skip library --skip tidyselftest`
Build completed unsuccessfully in 0:59:28
  local time: Sun May 10 15:18:51 UTC 2026
  network time: Sun, 10 May 2026 15:18:51 GMT
##[error]Process completed with exit code 1.

rust-bors · 2026-05-10T15:20:43Z

💔 Test for 176780e failed: CI. Failed job:

auto - x86_64-gnu-llvm-21-1 (web logs, enhanced plaintext logs)

JonathanBrouwer · 2026-05-10T15:30:32Z

@bors retry

…uwer Rollup of 6 pull requests Successful merges: - #155679 (rustdoc: Reify emission types) - #155982 (Fix closure HIR span context mismatch) - #156323 (Handle --print=backend-has-mnemonic in cg_clif) - #156129 (compiletest: Migrate from `PassMode`/`FailMode` to `PassFailMode`) - #156365 (stream_send_recv_stress tests: wait for threads to finish) - #156368 (Fix invalid unreachable in is_known_valid_scrutinee for Reborrow)

rust-log-analyzer · 2026-05-10T16:42:35Z

The job x86_64-gnu-llvm-21-1 failed! Check out the build log: (web) (plain enhanced) (plain)

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

test expr_store::scope::tests::test_resolve_local_name_shadow ... ok
test expr_store::scope::tests::test_shadow_variable ... ok
test expr_store::tests::body::array_element_cfg ... ok
test expr_store::tests::body::async_fn_weird_param_patterns ... ok
error: test failed, to rerun pass `-p hir-def --lib`

Caused by:
  process didn't exit successfully: `/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/deps/hir_def-c439368f2b64a049 '--skip=tests::smoke_test_real_sysroot_cargo' --skip=check_code_formatting -Z unstable-options --format json` (signal: 11, SIGSEGV: invalid memory reference)
Bootstrap failed while executing `--stage 2 test --skip tests --skip coverage-map --skip coverage-run --skip library --skip tidyselftest`
Build completed unsuccessfully in 1:03:59
  local time: Sun May 10 16:42:20 UTC 2026
  network time: Sun, 10 May 2026 16:42:20 GMT
##[error]Process completed with exit code 1.

rust-bors · 2026-05-10T16:42:57Z

💔 Test for c2f2bfb failed: CI. Failed job:

auto - x86_64-gnu-llvm-21-1 (web logs, enhanced plaintext logs)

rust-bors · 2026-05-10T17:05:36Z

This pull request was unapproved due to being closed.

cijiugechu and others added 15 commits April 30, 2026 14:19

fix closure HIR span context mismatch

06cb86d

Reformat string_enum!

b7548cb

Replace pass_mode and fail_mode fields with pass_fail_mode

bd0533d

This commit introduces `PassFailMode` as an internal detail of `TestProps`, but the full migration is left to a subsequent commit.

Migrate from PassMode/FailMode to PassFailMode

78c27e9

Use a match for checking UI test run results

529a4ec

Handle --print=backend-has-mnemonic in cg_clif

c2ab95f

And introduce a has_mnemonic method on CodegenBackend just like --print=backend-has-zstd

stream_send_recv_stress tests: wait for threads to finish

773af23

rustdoc: Reify emission types

ef282ff

fix(reborrow): invalid unreachable in is_known_valid_scrutinee

5c0718b

Rollup merge of rust-lang#155982 - cijiugechu:gio-ice-repro, r=chenyu…

c394938

…kang Fix closure HIR span context mismatch Ensure span has the closure expression's SyntaxContext. Closes rust-lang#155724

Rollup merge of rust-lang#156323 - bjorn3:clif_has_mnemonic, r=wesley…

0f40f96

…wiser Handle --print=backend-has-mnemonic in cg_clif And introduce a `has_mnemonic` method on `CodegenBackend` just like `--print=backend-has-zstd`.

Rollup merge of rust-lang#156368 - aapoalas:reborrow-in-match-stateme…

d33589d

…nt, r=Nadrieril Fix invalid unreachable in is_known_valid_scrutinee for Reborrow Fixes rust-lang#156304 Part of the Reborrow traits experiment rust-lang#145612

rust-bors Bot added the rollup A PR which is a rollup label May 10, 2026

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rustdoc: Reify emission types #155679

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Rollup of 6 pull requests#156397

Rollup of 6 pull requests#156397
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