Update submodule llvm to get LVI bugfix #77710
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…as-schievink Rollup of 8 pull requests Successful merges: - rust-lang#76750 (Don't discourage implementing `core::fmt::Write`) - rust-lang#77449 (BTreeMap: comment why drain_filter's size_hint is somewhat pessimistic) - rust-lang#77660 ((docs): make mutex error comment consistent with codebase) - rust-lang#77663 (Add compile fail test for issue 27675) - rust-lang#77673 (Remove unnecessary lamda on emitter map.) - rust-lang#77701 (Make `max_log_info` easily greppable (for figuring out why debug logging is disabled)) - rust-lang#77702 (Remove not needed lambda.) - rust-lang#77710 (Update submodule llvm to get LVI bugfix) Failed merges: r? `@ghost`
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The LLVM LVI mitigations used register %rcs as a clobber register. This is problematic when rust uses this register to return (part of) function values. The problem was fixed upstream in:
PR rust-lang/llvm-project#79 merged it in the llvm_project. This PR updates the submodule
Bug report: https://bugs.llvm.org/show_bug.cgi?id=47740
Fixes #77607
cc: @jethrogb