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Rollup of 5 pull requests Successful merges: - #134679 (Windows: remove readonly files) - #136213 (Allow Rust to use a number of libc filesystem calls) - #136530 (Implement `x perf` directly in bootstrap) - #136601 (Detect (non-raw) borrows of null ZST pointers in CheckNull) - #136659 (Pick the max DWARF version when LTO'ing modules with different versions ) r? `@ghost` `@rustbot` modify labels: rollup
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.