Rollup of 9 pull requests #110167
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Rollup of 9 pull requests #110167
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Fixes rust-lang#75978. Fixes rust-lang#99960. Fixes rust-lang#101048. Fixes rust-lang#101082. Fixes rust-lang#101814. Fixes rust-lang#103132. Fixes rust-lang#103327.
Signed-off-by: Yuki Okushi <jtitor@2k36.org>
…r=cuviper Set up standard library path substitution in rust-gdb and gdbgui Fixes rust-lang#62945 --- Only lightly tested (in release mode, where the paths are a bit of a mess) because my `gdb` appears to crash with `internal-error: inside_main_func: Assertion 'block != nullptr' failed.` and I don't have `gdbgui`. Please review carefully my shell syntax. There's also `rust-lldb`, but I don't know the equivalent for it.
…uto-trait-for-num-var, r=lcnr Stall auto trait assembly in new solver for int/float vars Make sure that we don't match int/float vars against *all* manual auto trait impls due to this check: https://github.com/rust-lang/rust/blob/2fb0e8d162a021f8a795fb603f5d8c0017855160/compiler/rustc_trait_selection/src/solve/trait_goals.rs#L151-L169 Since `find_map_relevant_impl` treats all impls as candidates for int/float vars, due to the way that `fast_reject::simplify_type` works. This fixes compiler-errors/next-solver-hir-issues#11. r? `@lcnr`
Add support for RISC-V relax target feature This adds `relax` as an allowed RISC-V target feature. The relax feature in LLVM enables [linker relaxation](https://www.sifive.com/blog/all-aboard-part-3-linker-relaxation-in-riscv-toolchain), an optimization specific to RISC-V that allows global variable accesses to be resolved by the linker by using the global pointer (`gp`) register (rather than constructing the addresses from scratch for each access). Enabling `relax` will cause LLVM to emit relocations in the object file that support this. The feature can be enabled in rustc with `-C target-feature=+relax`. Currently this feature is disabled by default, but maybe it should be enabled by default since it is an easy performance improvement (but requires the `gp` register to be set up properly). GCC/Clang enable this feature by default (for both hosted/bare-metal targets), and include the `-mno-relax` flag to disable it (see [here](https://github.com/llvm/llvm-project/blob/466d554dcab39c3d42fe0c5b588b795e0e4b9d0d/clang/lib/Driver/ToolChains/Arch/RISCV.cpp#L145) for the code that enables it in Clang). I think it would make sense to enable by default, at least for all hosted targets since the `gp` register should be automatically set up by the runtime. For bare-metal targets, `gp` must be set up manually, so it is probably best to leave off by default to avoid breaking existing applications that do not set up `gp`. Leaving it disabled by default for all targets is also reasonable though. Let me know your thoughts. Thanks! Fixes rust-lang#109426.
Add codegen tests for issues fixed by LLVM 16 Fixes rust-lang#75978. Fixes rust-lang#99960. Fixes rust-lang#101048. Fixes rust-lang#101082. Fixes rust-lang#101814. Fixes rust-lang#103132. Fixes rust-lang#103327.
…iser Update `error [E0449]: unnecessary visibility qualifier` to be more clear This updates the error message `error[E0449]: unnecessary visibility qualifier` by clearly indicating that visibility qualifiers already inherit their visibility from a parent item. The error message previously implied that the qualifiers were permitted, which is not the case anymore. Resolves rust-lang#109822.
The `wrapping_neg` example for unsigned types shouldn't use `i8` Probably it should have at least one example with an unsigned type.
fix(doc): do not parse inline when output is json for external crate relative rust-lang#110138
…-errors Add regression test for rust-lang#104916 Closes rust-lang#104916 I haven't tested if it still passes with debug assertions enabled so it'd be better to wait for CI to be green. r? compiler-errors
Update books ## rust-lang/book 1 commits in 0510ca84c2ce6bf93c4ccf9248756e9e4fd00b12..c06006157b14b3d47b5c716fc392b77f3b2e21ce 2023-04-03 15:31:55 UTC to 2023-04-03 15:31:55 UTC - Fix grammar (rust-lang/book#3600) ## rust-lang/reference 3 commits in 3c47807a3131b3c7cacb508f52632078d253cd0a..1f8dc727e94ae4ef92adf70df979521a1ea1143e 2023-04-09 14:04:53 UTC to 2023-03-29 13:21:47 UTC - Explain typos in `asm!` can be unsound (rust-lang/reference#1344) - Fix coding style in example: add space between module name and bracket (rust-lang/reference#1347) - redundant word removed (rust-lang/reference#1346) ## rust-lang/rust-by-example 1 commits in ba84bf35d0f17d404003349309201654d25f61af..31961fe22521a779070a44a8f30a2b00a20b6212 2023-04-10 13:06:34 UTC to 2023-04-10 13:06:34 UTC - Add clarity to name of file being used in library example. (rust-lang/rust-by-example#1697) ## rust-lang/rustc-dev-guide 8 commits in fca8af6..6337ed1 2023-04-10 14:23:05 UTC to 2023-04-06 00:29:18 UTC - fix markup (rust-lang/rustc-dev-guide#1670) - Reorganize "Getting Started" and add a "What should I work on?" section (rust-lang/rustc-dev-guide#1665) - Clarify cfg(bootstrap) docs (rust-lang/rustc-dev-guide#1669) - Link to forge instead of duplicating toolstate info (rust-lang/rustc-dev-guide#1664) - Improve the landing page for contributing to the libstd docs (rust-lang/rustc-dev-guide#1666) - Various improvements to `check_line_lengths.sh` (rust-lang/rustc-dev-guide#1667) - Document how to ignore specific files in a diff (rust-lang/rustc-dev-guide#1668) - mention `git clone --depth 1` (rust-lang/rustc-dev-guide#1663)
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Successful merges:
error [E0449]: unnecessary visibility qualifierto be more clear #109923 (Updateerror [E0449]: unnecessary visibility qualifierto be more clear)wrapping_negexample for unsigned types shouldn't usei8#110070 (Thewrapping_negexample for unsigned types shouldn't usei8)Failed merges:
r? @ghost
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