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rust/compiler/rustc_codegen_ssa
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bors fc1a4c5cc9 Auto merge of #123221 - pacak:cache_emit, r=fmease,jieyouxu 
Save/restore more items in cache with incremental compilation

Right now they don't play very well together, consider a simple example:

```
$ export RUSTFLAGS="--emit asm"
$ cargo new --lib foo
     Created library `foo` package
$ cargo build -q
$ touch src/lib.rs
$ cargo build
error: could not copy
  "/path/to/foo/target/debug/deps/foo-e307cc7fa7b6d64f.4qbzn9k8mosu50a5.rcgu.s"
  to "/path/to/foo/target/debug/deps/foo-e307cc7fa7b6d64f.s":
  No such file or directory (os error 2)
```

Touch triggers the rebuild, incremental compilation detects no changes (yay) and everything explodes while trying to copy files were they should go.

This pull request fixes it by copying and restoring more files in the incremental compilation cache

Fixes https://github.com/rust-lang/rust/issues/89149
Fixes https://github.com/rust-lang/rust/issues/88829

Related: https://internals.rust-lang.org/t/interaction-between-incremental-compilation-and-emit/20551
2024-04-07 10:46:50 +00:00
..
src Auto merge of #123221 - pacak:cache_emit, r=fmease,jieyouxu 2024-04-07 10:46:50 +00:00
Cargo.toml Handle calls to upstream monomorphizations in compiler_builtins 2024-03-16 15:22:05 -04:00
messages.ftl Handle calls to upstream monomorphizations in compiler_builtins 2024-03-16 15:22:05 -04:00
README.md mv compiler to compiler/ 2020-08-30 18:45:07 +03:00

README.md

Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.