Rollup of 12 pull requests #129984
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Rollup of 12 pull requests #129984
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Determining this path occasionally fails locally for unknown reasons, resulting in the build failing with an unhelpful `StripPrefixError(())` panic message. In order to track down why that's happening, include some relevant information in the panic message when that failure occurs.
We recently had an issue because some rustlib files were missing (like: "error[E0463]: can't find crate for rustc_ast") when building tools that rely on rustc. This patch fixes that by copying those files as required. Signed-off-by: onur-ozkan <work@onurozkan.dev>
... can not be correctly gated using #[cfg] macro
Signed-off-by: onur-ozkan <work@onurozkan.dev>
…llot Add an internal lint that warns when accessing untracked data Some methods access data that is not tracked by the query system and should be used with caution. As suggested in rust-lang#128815 (comment), in this PR I propose a lint (modeled on the `potential_query_instability` lint) that warns when using some specially-annotatted functions. I can't tell myself if this lint would be that useful, compared to renaming `Steal::is_stolen` to `is_stolen_untracked`. This would depend on whether there are other functions we'd want to lint like this. So far it seems they're called `*_untracked`, which may be clear enough. r? `@oli-obk`
…m-const, r=lcnr fix ICE when `asm_const` and `const_refs_to_static` are combined fixes rust-lang#129462 fixes rust-lang#126896 fixes rust-lang#124164 I think this is a case that was missed in the fix for rust-lang#125558, which inserts a type error in the case of an invalid (that is, non-integer) type being passed to an asm `const` operand. I'm not 100% sure that `span_mirbug_and_err` is the right macro here, but it is used earlier with `builtin_deref` and seems to do the trick. r? `@lcnr`
…tmcm clarify that addr_of creates read-only pointers Stacked Borrows does make this UB, but Tree Borrows does not. This is tied up with rust-lang#56604 and other UCG discussions. Also see [this collection of links](Rust-for-Linux/linux#950 (comment)) where rustc treats `addr_of!` as a "non-mutating use". So, let's better be careful for now.
…arsan68 bootstrap: Try to track down why `initial_libdir` sometimes fails When I try to run `x` commands from the command-line, I occasionally see a mysterious failure that looks something like this: ```text thread 'main' panicked at src/lib.rs:341:14: called `Result::unwrap()` on an `Err` value: StripPrefixError(()) ``` It happens often enough to be annoying, but rarely enough that I can't reproduce it at will. The error message points to a particular `unwrap` call, but doesn't include enough context to determine *why* the failure occurs. Re-running the command almost always works, so I suspect some kind of filesystem race condition (possibly involving VSCode invoking bootstrap at the same time), but there's not much I can do with the information I currently have. So this PR includes some relevant information in the panic message when the failure occurs, in the hope that doing so will make the cause easier to track down when the failure occurs again.
…rors explain why Rvalue::Len still exists I just spent a bit of time trying to remove this until I realized why that's non-trivial. Let's document that for the next person. :)
…RalfJung s390x: Fix a regression related to backchain feature In rust-lang#127506, we introduced a new IBM Z-specific target feature, `backchain`. This particular `target-feature` was available as a function-level attribute in LLVM 17 and below, so some hacks were used to avoid blowing up LLVM when querying the supported LLVM features. This led to an unfortunate regression where `cfg!(target-feature = "backchain")` will always return true. This pull request aims to fix this issue, and a test has been introduced to ensure it will never happen again. Fixes rust-lang#129927. r? `@RalfJung`
…=Kobzol copy rustc rustlib artifacts from ci-rustc We recently (since rust-lang#129311) had an issue because some rustlib files were missing (like: "error[E0463]: can't find crate for rustc_ast") when building tools that rely on rustc. This patch fixes that by copying those files as required. r? Kobzol Blocker for rust-lang#122709
…er, r=Kobzol use the bootstrapped compiler for `test-float-parse` test Fixes rust-lang#122709 (comment). Blocker for rust-lang#122709
…pietroalbini Add compat note for trait solver change r? `@pietroalbini` `@BoxyUwU` cc `@lcnr`
…separators, r=tgross35 Add digit separators in `Duration` examples `@rustbot` label A-docs
Temporarily remove fmease from the review rotation Namely for like a week. I seriously need to work off my review backlog! r? fmease
…bertlarsan68 forward linker option to lint-docs This fixes an error found when building the doc for a cross-built toolchain. ``` warning: the code example in lint `unstable_syntax_pre_expansion` in /buildroots/chenx97/rustc-1.80.1-src/compiler/rustc_lint_defs/src/builtin.rs failed to generate the expected output: did not find lint `unstable_syntax_p re_expansion` in output of example, got: error: linking with `cc` failed: exit status: 1 ... ``` Closes: rust-lang#129956
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…iaskrgr Rollup of 12 pull requests Successful merges: - rust-lang#128919 (Add an internal lint that warns when accessing untracked data) - rust-lang#129472 (fix ICE when `asm_const` and `const_refs_to_static` are combined) - rust-lang#129653 (clarify that addr_of creates read-only pointers) - rust-lang#129775 (bootstrap: Try to track down why `initial_libdir` sometimes fails) - rust-lang#129939 (explain why Rvalue::Len still exists) - rust-lang#129940 (s390x: Fix a regression related to backchain feature) - rust-lang#129942 (copy rustc rustlib artifacts from ci-rustc) - rust-lang#129943 (use the bootstrapped compiler for `test-float-parse` test) - rust-lang#129944 (Add compat note for trait solver change) - rust-lang#129947 (Add digit separators in `Duration` examples) - rust-lang#129955 (Temporarily remove fmease from the review rotation) - rust-lang#129957 (forward linker option to lint-docs) Failed merges: - rust-lang#129471 ([rustdoc] Sort impl associated items by kinds and then by appearance) r? `@ghost` `@rustbot` modify labels: rollup
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…iaskrgr Rollup of 12 pull requests Successful merges: - rust-lang#128919 (Add an internal lint that warns when accessing untracked data) - rust-lang#129472 (fix ICE when `asm_const` and `const_refs_to_static` are combined) - rust-lang#129653 (clarify that addr_of creates read-only pointers) - rust-lang#129775 (bootstrap: Try to track down why `initial_libdir` sometimes fails) - rust-lang#129939 (explain why Rvalue::Len still exists) - rust-lang#129940 (s390x: Fix a regression related to backchain feature) - rust-lang#129942 (copy rustc rustlib artifacts from ci-rustc) - rust-lang#129943 (use the bootstrapped compiler for `test-float-parse` test) - rust-lang#129944 (Add compat note for trait solver change) - rust-lang#129947 (Add digit separators in `Duration` examples) - rust-lang#129955 (Temporarily remove fmease from the review rotation) - rust-lang#129957 (forward linker option to lint-docs) Failed merges: - rust-lang#129471 ([rustdoc] Sort impl associated items by kinds and then by appearance) r? `@ghost` `@rustbot` modify labels: rollup
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…iaskrgr Rollup of 12 pull requests Successful merges: - rust-lang#128919 (Add an internal lint that warns when accessing untracked data) - rust-lang#129472 (fix ICE when `asm_const` and `const_refs_to_static` are combined) - rust-lang#129653 (clarify that addr_of creates read-only pointers) - rust-lang#129775 (bootstrap: Try to track down why `initial_libdir` sometimes fails) - rust-lang#129939 (explain why Rvalue::Len still exists) - rust-lang#129940 (s390x: Fix a regression related to backchain feature) - rust-lang#129942 (copy rustc rustlib artifacts from ci-rustc) - rust-lang#129943 (use the bootstrapped compiler for `test-float-parse` test) - rust-lang#129944 (Add compat note for trait solver change) - rust-lang#129947 (Add digit separators in `Duration` examples) - rust-lang#129955 (Temporarily remove fmease from the review rotation) - rust-lang#129957 (forward linker option to lint-docs) Failed merges: - rust-lang#129471 ([rustdoc] Sort impl associated items by kinds and then by appearance) r? `@ghost` `@rustbot` modify labels: rollup
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Successful merges:
asm_constandconst_refs_to_staticare combined #129472 (fix ICE whenasm_constandconst_refs_to_staticare combined)initial_libdirsometimes fails #129775 (bootstrap: Try to track down whyinitial_libdirsometimes fails)test-float-parsetest #129943 (use the bootstrapped compiler fortest-float-parsetest)Durationexamples #129947 (Add digit separators inDurationexamples)Failed merges:
r? @ghost
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