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Auto merge of #1886 - camelid:stage2, r=RalfJung

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Stage 2 seems to be required after all

Reverts most of bb59980b2d.

See the discussion starting at https://github.com/rust-lang/miri/issues/1340#issuecomment-913043714 for more.
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bors 2021-09-06 16:22:46 +00:00
commit b97c34020e
1 changed files with 5 additions and 5 deletions
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CONTRIBUTING.md
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@ -148,15 +148,15 @@ cd rustc
./x.py setup compiler
# Now edit `config.toml` and under `[rust]` set `debug-assertions = true`.
# Build a stage 1 rustc, and build the rustc libraries with that rustc.
# Build a stage 2 rustc, and build the rustc libraries with that rustc.
# This step can take 30 minutes or more.
./x.py build --stage 1 compiler/rustc
./x.py build --stage 2 compiler/rustc
# If you change something, you can get a faster rebuild by doing
./x.py build --keep-stage 0 --stage 1 compiler/rustc
./x.py build --keep-stage 0 --stage 2 compiler/rustc
# You may have to change the architecture in the next command
rustup toolchain link stage1 build/x86_64-unknown-linux-gnu/stage1
rustup toolchain link stage2 build/x86_64-unknown-linux-gnu/stage2
# Now cd to your Miri directory, then configure rustup
rustup override set stage1
rustup override set stage2
```
For more information about building and configuring a local compiler,