rustbuild: take changes to the standard library into account for download-rustc
#85996
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In particular, this came up in #84942, where I changed the html_root_url for libstd and stumbled around rustdoc for a while thinking the bug was there. |
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…nload-rustc` Previously, changing the standard library with `download-rustc = "if-unchanged"` would incorrectly reuse the cached compiler and standard library from CI, which was confusing and led to incorrect test failures or successes.
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@bors r+ My guess is this may also not be quite enough (e.g., src/version and some other files also play a role in compiler behavior). But identifying the set of files that matter may be tough. Unfortunately it doesn't seem like there's really a great way to isolate that list easily. |
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Jun 7, 2021
Rollup of 6 pull requests Successful merges: - rust-lang#84262 (Fix ICE during type layout when there's a `[type error]`) - rust-lang#85973 (Replace a `match` with an `if let`) - rust-lang#85996 (rustbuild: take changes to the standard library into account for `download-rustc`) - rust-lang#86016 (Unify duplicate linker_and_flavor methods in rustc_codegen_{cranelift,ssa}.) - rust-lang#86025 (Remove the install prefix from the rpath set when using -Crpath) - rust-lang#86081 (Use `try_into` instead of asserting manually) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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Previously, changing the standard library with
download-rustc = "if-unchanged"would incorrectly reuse the cached compiler and standardlibrary from CI, which was confusing and led to incorrect test failures
or successes.
r? @Mark-Simulacrum