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Update linker-plugin-lto.md #90243

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Update linker-plugin-lto.md
Takashiidobe Oct 24, 2021
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Update src/doc/rustc/src/linker-plugin-lto.md
Takashiidobe Oct 26, 2021
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40 changes: 25 additions & 15 deletions src/doc/rustc/src/linker-plugin-lto.md
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Expand Up @@ -94,7 +94,7 @@ rustc -Clinker-plugin-lto="/path/to/LLVMgold.so" -L. -Copt-level=2 ./main.rs
```sh
rustup toolchain install --profile minimal nightly
MINOR_VERSION=$(rustc +nightly --version | cut -d . -f 2)
LOWER_BOUND=44
LOWER_BOUND=56

llvm_version() {
toolchain="$1"
Expand Down Expand Up @@ -123,19 +123,29 @@ LLVM. However, the approximation is usually reliable.
The following table shows known good combinations of toolchain versions.

| Rust Version | Clang Version |
|--------------|---------------|
| Rust 1.34 | Clang 8 |
| Rust 1.35 | Clang 8 |
| Rust 1.36 | Clang 8 |
| Rust 1.37 | Clang 8 |
| Rust 1.38 | Clang 9 |
| Rust 1.39 | Clang 9 |
| Rust 1.40 | Clang 9 |
| Rust 1.41 | Clang 9 |
| Rust 1.42 | Clang 9 |
| Rust 1.43 | Clang 9 |
| Rust 1.44 | Clang 9 |
| Rust 1.45 | Clang 10 |
| Rust 1.46 | Clang 10 |
| ------------ | ------------- |
| Rust 1.34 | Clang 8 |
| Rust 1.35 | Clang 8 |
| Rust 1.36 | Clang 8 |
| Rust 1.37 | Clang 8 |
| Rust 1.38 | Clang 9 |
| Rust 1.39 | Clang 9 |
| Rust 1.40 | Clang 9 |
| Rust 1.41 | Clang 9 |
| Rust 1.42 | Clang 9 |
| Rust 1.43 | Clang 9 |
| Rust 1.44 | Clang 9 |
| Rust 1.45 | Clang 10 |
| Rust 1.46 | Clang 10 |
| Rust 1.47 | Clang 11 |
| Rust 1.48 | Clang 11 |
| Rust 1.49 | Clang 11 |
| Rust 1.50 | Clang 11 |
| Rust 1.51 | Clang 11.0.1 |
| Rust 1.52 | Clang 12.0.0 |
| Rust 1.53 | Clang 12.0.1 |
| Rust 1.54 | Clang 12.0.1 |
| Rust 1.55 | Clang 12.0.1 |
| Rust 1.56 | Clang 13.0.0 |

Note that the compatibility policy for this feature might change in the future.