Automatic Rustup

fix Zulip topic for PR-creation message

add exposed-provenance example where we miss UB

Example by `@saethlin`

make 'invalidate' benchmark shorter

This is currently by far the slowest benchmark in our suite, taking >9s, when the second slowest takes 2.7s. So let's speed this up to 2.3s, making it still the second-slowest in the benchmark suite.

`@saethlin` any objections? Also, why is this called "invalidate"? It got added in rust-lang/miri#3083 but I can't figure out the point of that name even after looking at the PR.^^ There should be a comment in the benchmark explaining what it is testing.

Automatic Rustup

remove duplicate test

This is basically the same as `tests/pass/imported_main.rs`.

this fixes compile_fail doctests with post-mono errors

fix compile_fail doctests with post-mono errors

Fixes rust-lang/miri#2423

The instrinsic is compiled to a `pause` instruction, which behaves like a no-op when SSE2 is not available.

https://www.felixcloutier.com/x86/pause.html

…lfJung

Allow `llvm.x86.sse2.pause` instrinsic to be called without SSE2

The instrinsic is compiled to a `pause` instruction, which behaves like a no-op when SSE2 is not available.

https://www.felixcloutier.com/x86/pause.html

Rustup

Fixes rust-lang#52334

…lob import cycles

Fixes rust-lang#64784

Fixes rust-lang#80125

Fixes rust-lang#83056

Fixes rust-lang#88212

…ps::Index<MyType>>::Output

Fixes rust-lang#88421

…ng vtable representation

Fixes rust-lang#90691

Fixes rust-lang#98842

Automatic Rustup

add support for missing SIMD float intrinsics

These are being exposed by `core::simd`  with rust-lang#122905.

Fixes rust-lang#99945

…01852

Fixes rust-lang#101852

…E: IndexMap: key not found

Fixes rust-lang#104779

…trait system" rust-lang#105047

Fixes rust-lang#105047

Fixes rust-lang#106423

Fixes rust-lang#106444

Fixes rust-lang#106874

Fixes rust-lang#107228

Report retags as distinct from real memory accesses for data races

This changes the error reporting for data races such that reference invariants are no longer reported as real read and writes.

Before:
```
Data race detected between (1) non-atomic write on thread `unnamed-6` and (2) non-atomic read on thread `unnamed-5` at alloc1034971+0x10c. (2) just happened here
```

After:
```
Data race detected between (1) non-atomic write on thread `unnamed-8` and (2) shared reference invariant on thread `unnamed-6` at alloc1018329+0x190. (2) just happened here
```

Non-atomic read accesses from the *other* thread don't have this information tracked so those are called `some potential non-atomic read access` here.

transmute: caution against int2ptr transmutation

This came up in rust-lang#121282.
Cc `@saethlin` `@scottmcm`

Eventually we'll add a proper description of provenance that we can reference, but that's a bunch of work and it's unclear who will have the time to do that when. Meanwhile, let's at least do what we can without mentioning provenance explicitly.

…xxx, r=fmease

add some ice tests 5xxxx to 9xxxx

  Fixes rust-lang#98842
  Fixes rust-lang#90691
  Fixes rust-lang#88421
  Fixes rust-lang#88212
  Fixes rust-lang#83056
  Fixes rust-lang#80125
  Fixes rust-lang#64784
  Fixes rust-lang#52334

…r=lcnr

Uniquify `ReError` on input mode in canonicalizer

See test descr

Fixes rust-lang#122861

r? lcnr

Add test in higher ranked subtype

I'm a beginner in this repository, and there are some things I'm not sure about:

- Is it okay that there is a warning:
```
rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?1t, '^0.Named(DefId(0:15 ~ structually_relate_aliases[de75]::{impl#1}::'a), "'a")], def_id: DefId(0:5 ~ structually_relate_aliases[de75]::ToUnit::Unit) }
```
- Is it okay that there are two duplicate errors in the same line?
- Did I put the test in the right place?

Any suggestions would be appreciated.

Fixes rust-lang#121649

…xxxx, r=fmease

add a couple more ice tests

Fixes rust-lang#104779
Fixes rust-lang#106423
Fixes rust-lang#106444
Fixes rust-lang#101852
Fixes rust-lang#106874
Fixes rust-lang#105047
Fixes rust-lang#107228
Fixes rust-lang#99945

Miri subtree update

r? `@ghost`