Update to LLVM 20 rc 3

[nikic]

Fixes a compiler-builtins miscompile (see rust-lang/compiler-builtins#760).

[rustbot]

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[rustbot]

⚠️ Warning ⚠️

• These commits modify submodules.

[onur-ozkan]

The job mingw-check failed! Check out the build log: (web) (plain)

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

https://github.com/rust-lang/rust/pull/137594/files#diff-e5255e85d66ab827c6eff26a377f41800be547791e268e7e2a9abf487943cf12 (removal of --first-parent part) is the cause of this failure.

cc @RalfJung

[RalfJung]

Oh that is unfortunate, the presence of --first-parent breaks the logic as well for what is a common case in my workflow. :/ Could you post a comment in #101907 explaining the problem that arises without --first-parent?

[cuviper]

@bors r+ rollup=never

[bors]

📌 Commit 3894725 has been approved by cuviper

It is now in the queue for this repository.

[RalfJung]

@nikic could you rebase? The 2nd commit has already landed independently.
@bors r-

[nikic]

@bors r=cuviper

[bors]

📌 Commit 3a71579 has been approved by cuviper

It is now in the queue for this repository.

[bors]

🌲 The tree is currently closed for pull requests below priority 100. This pull request will be tested once the tree is reopened.