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bootstrap: Fix compile error: unused-mut #110996
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r? @ozkanonur (rustbot has picked a reviewer for you, use r? to override) |
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How exactly are you compiling this project? You shouldn't get an error like that since it's used as mutable couple lines below.
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But I am curious why this doesn't throw any error when defined as immutable and modified later. Am I missing something here? cc @rust-lang/compiler
The type of |
I didn't know it was possible to mutate any type without declaring -- I think having |
This is probably caused by #110960. Do we not test bootstrap with the stage1/2 compiler? |
We don't. bootstrap is built/tested with beta compiler. |
Thanks for your review.
@ozkanonur I cross-compiled the source code for rust/master on x86_64 with the target set to loongarch. However, when I attempted to use the cross-compiled rust toolchain as stage0 for native compilation on the loongarch system, I encountered an error.
@lukas-code I suspect that rust/master was not used as stage0 or was downloaded from CI for other targets? |
stage0 is the pre-compiled beta compiler downloaded from CI
Yeah, seems like. I get that warning on the bootstrap build using -- Thank you for catching this! @heiher @bors r+ rollup |
…nonur bootstrap: Fix compile error: unused-mut Compile errors: ``` Compiling bootstrap v0.0.0 (/home/hev/rust/rust/src/bootstrap) error: variable does not need to be mutable --> config.rs:1312:17 | 1312 | let mut build_target = config | ----^^^^^^^^^^^^ | | | help: remove this `mut` | = note: `-D unused-mut` implied by `-D warnings` error: could not compile `bootstrap` (lib) due to previous error ```
…iaskrgr Rollup of 6 pull requests Successful merges: - rust-lang#110118 (download-rustc: Give a better error message if artifacts can't be dowloaded) - rust-lang#110631 (rustdoc: catch and don't blow up on impl Trait cycles) - rust-lang#110732 (Make ConstProp some tests unit.) - rust-lang#110996 (bootstrap: Fix compile error: unused-mut) - rust-lang#110999 (Output some bootstrap messages on stderr) - rust-lang#111000 (Remove unneeded function call in `core::option`.) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
Compile errors: