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f5633098b0
Handle unwinding fatal errors in codegen workers Also directly unwind on fatal errors at the point they are emitted inside the codegen backends. Fixes the coordinator ICE of https://github.com/rust-lang/rust/issues/132240, https://github.com/rust-lang/rust/issues/135075 and https://github.com/rust-lang/rust/issues/145800.
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.