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a5615d3c62
rust/compiler/rustc_codegen_llvm
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David Wood a5615d3c62
codegen_llvm: avoid Deref impls w/ extern type 
`rustc_codegen_llvm` relied on `Deref` impls where `Deref::Target` was
or contained an extern type - in my experimental implementation of
rust-lang/rfcs#3729, this isn't possible as the `Target` associated
type's `?Sized` bound cannot be relaxed backwards compatibly (unless we
come up with some way of doing this).

In later pull requests with the rust-lang/rfcs#3729 implementation,
breakage like this could only occur for nightly users relying on the
`extern_types` feature.

Upstreaming this to avoid needing to keep carrying this patch locally,
and I think it'll necessarily need to change eventually.
2025-02-24 08:08:55 +00:00
..
src codegen_llvm: avoid Deref impls w/ extern type 2025-02-24 08:08:55 +00:00
Cargo.toml Upgrade the compiler to edition 2024 2025-02-22 00:01:48 +00:00
messages.ftl update autodiff flags 2025-02-21 21:51:20 -05:00
README.md mv compiler to compiler/ 2020-08-30 18:45:07 +03:00

README.md

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.