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authorYuki Okushi <huyuumi.dev@gmail.com>2020-12-13 11:05:35 +0900
committerGitHub <noreply@github.com>2020-12-13 11:05:35 +0900
commitf80c6aeb87abdf79e370de012a56245cbb91f6b9 (patch)
tree0a5303e15a40e138993323cdfe73b05fa103fc2b /compiler/rustc_llvm/llvm-wrapper/CoverageMappingWrapper.cpp
parent89051d81b95bdf0cd11c5c05dc3013cf95f0dda3 (diff)
parent8909c4dc315bf1686449e762958558893c420923 (diff)
downloadrust-f80c6aeb87abdf79e370de012a56245cbb91f6b9.tar.gz
rust-f80c6aeb87abdf79e370de012a56245cbb91f6b9.zip
Rollup merge of #79845 - jyn514:python3, r=Mark-Simulacrum
Fix rustup support in default_build_triple for python3

bootstrap completely ignores all errors when detecting a rustup version,
so this wasn't noticed before.

Fixes the following error:

```
rustup not detected: a bytes-like object is required, not 'str'
falling back to auto-detect
```

This also takes the opportunity to only call rustup and other external
commands only once during startup.

Follow-up to https://github.com/rust-lang/rust/pull/78513.
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