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bors bcd696d722 Auto merge of #84401 - crlf0710:impl_main_by_path, r=petrochenkov 
Implement RFC 1260 with feature_name `imported_main`.

This is the second extraction part of #84062 plus additional adjustments.
This (mostly) implements RFC 1260.

However there's still one test case failure in the extern crate case. Maybe `LocalDefId` doesn't work here? I'm not sure.

cc https://github.com/rust-lang/rust/issues/28937
r? `@petrochenkov`
2021-04-30 06:59:37 +00:00
..
src Auto merge of #84401 - crlf0710:impl_main_by_path, r=petrochenkov 2021-04-30 06:59:37 +00:00
Cargo.toml Rollup merge of #82537 - wesleywiser:update_measureme, r=oli-obk 2021-02-27 21:56:20 +01:00
README.md

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.