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Update the minimum external LLVM to 20 - #145071
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| IMAGE: x86_64-gnu-llvm-19 | ||
| DOCKER_SCRIPT: x86_64-gnu-llvm3.sh | ||
| <<: *job-linux-4c | ||
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Not directly related to this PR, but does this mean we're actually running different jobs in PR CI and auto CI? PR CI runs some on aarch64, but here everything uses x86_64.
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Yes, #141576 only changed the PR side. (cc @marcoieni)
There was also a zulip discussion here.
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yes. That's true. If you think it would be better to use the same runner in the auto build, we can switch to aarch64 in the auto build, too 👍
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r=me once it's time. |
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This PR changes how LLVM is built. Consider updating src/bootstrap/download-ci-llvm-stamp. Some changes occurred in compiler/rustc_codegen_ssa |
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With this change, we'll have stable support for LLVM 20 and 21.
For reference, the previous increase to LLVM 19 was #139275.
cc @rust-lang/wg-llvm
r? nikic