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Matthias Krüger
6b23cb5cdf
Set branch protection function attributes Since LLVM 19, it is necessary to set not only module flags, but also function attributes for branch protection on aarch64. See https://github.com/llvm/llvm-project/commit/e15d67cfc2e5775cc79281aa860f3ad3be628f39 for the relevant LLVM change. Fixes https://github.com/rust-lang/rust/issues/127829.
The codegen crate contains the code to convert from MIR into LLVM IR,
and then from LLVM IR into machine code. In general it contains code
that runs towards the end of the compilation process.
For more information about how codegen works, see the rustc dev guide.