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update Miri #103571

Merged
merged 12 commits into from
Oct 26, 2022
Merged

update Miri #103571

merged 12 commits into from
Oct 26, 2022

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RalfJung
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r? @ghost

RalfJung and others added 12 commits October 24, 2022 12:00
rustup

With rust-lang#103360 having landed, I don't think we still need this `GetFileInformationByHandleEx` shim.
…commit=75dd959a3a40eb5b4574f8d2e23aa6efbeb33573[:prefix=src/tools/miri]:/src/tools/miri
…fJung

Improve miri_print_borrow_stacks

Per post-merge review on rust-lang/miri#2322

* `miri_print_stacks` renamed to `miri_print_borrow_stacks`
* A bit more details in docs, clarified how unstable these functions are meant to be
* Print an `unknown_bottom` if one exists

Open question: Currently `miri_get_alloc_id` gets the expected `AllocId` for `Wildcard` pointers, but for pointers with no provenance, the function reports UB and halts the interpreter. That's definitely wrong. But what _should_ we do? Is it reasonable to check if the pointer has `None` provenance and try to get an `AllocId` for its address? That still leaves us with a failure path, which in this case might be best-handled as an ICE? I'm just not sure that changing the return type of `miri_get_alloc_id` to `Option` is a win because it complicates all normal uses of this.
add pthread_getname_np

A new libstd test needs this, and there doesn't seem to be a good reason not to have this.
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rustbot commented Oct 26, 2022

The Miri subtree was changed

cc @rust-lang/miri

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@bors r+ p=1 (fixes miri-test-libstd)

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bors commented Oct 26, 2022

📌 Commit 6ce5226 has been approved by RalfJung

It is now in the queue for this repository.

@bors bors added the S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. label Oct 26, 2022
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bors commented Oct 26, 2022

⌛ Testing commit 6ce5226 with merge 1898c34...

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bors commented Oct 26, 2022

☀️ Test successful - checks-actions
Approved by: RalfJung
Pushing 1898c34 to master...

@bors bors added the merged-by-bors This PR was explicitly merged by bors. label Oct 26, 2022
@bors bors merged commit 1898c34 into rust-lang:master Oct 26, 2022
@rustbot rustbot added this to the 1.66.0 milestone Oct 26, 2022
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Finished benchmarking commit (1898c34): comparison URL.

Overall result: no relevant changes - no action needed

@rustbot label: -perf-regression

Instruction count

This benchmark run did not return any relevant results for this metric.

Max RSS (memory usage)

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean1 range count2
Regressions ❌
(primary)
3.4% [1.5%, 5.4%] 2
Regressions ❌
(secondary)
- - 0
Improvements ✅
(primary)
- - 0
Improvements ✅
(secondary)
-5.2% [-5.2%, -5.2%] 1
All ❌✅ (primary) 3.4% [1.5%, 5.4%] 2

Cycles

This benchmark run did not return any relevant results for this metric.

Footnotes

  1. the arithmetic mean of the percent change

  2. number of relevant changes

@RalfJung RalfJung deleted the miri branch October 27, 2022 13:07
@RalfJung RalfJung restored the miri branch October 28, 2022 20:47
@RalfJung RalfJung deleted the miri branch October 29, 2022 09:29
Aaron1011 pushed a commit to Aaron1011/rust that referenced this pull request Jan 6, 2023
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5 participants