Rollup of 9 pull requests #108989
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Rollup of 9 pull requests #108989
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The `asm!` and `global_asm!` macros require their operands to appear strictly in the following order: - Template strings - Positional operands - Named operands - Explicit register operands - `clobber_abi` - `options` This is overly strict and can be inconvienent when building complex `asm!` statements with macros. This PR relaxes the ordering requirements as follows: - Template strings must still come before all other operands. - Positional operands must still come before named and explicit register operands. - Named and explicit register operands can be freely mixed. - `options` and `clobber_abi` can appear in any position.
SymbolWrapper.cpp doesn't use std::optional or llvm::Optional, so this patch removes the extraneous include. Note that llvm/ADT/Optional.h has been deprecated upstream. This patch ensures that SymbolWrapper.cpp continues to compile even after the upcoming removal of Optional.h.
Relax ordering rules for `asm!` operands The `asm!` and `global_asm!` macros require their operands to appear strictly in the following order: - Template strings - Positional operands - Named operands - Explicit register operands - `clobber_abi` - `options` This is overly strict and can be inconvienent when building complex `asm!` statements with macros. This PR relaxes the ordering requirements as follows: - Template strings must still come before all other operands. - Positional operands must still come before named and explicit register operands. - Named and explicit register operands can be freely mixed. - `options` and `clobber_abi` can appear in any position after the template strings. r? ``````@joshtriplett``````
…tr, r=dtolnay Stabilize path_as_mut_os_str Closes rust-lang#105021 r? ``@dtolnay``
…, r=pietroalbini use problem matchers for tidy CI
…king, r=pnkfelix Support linking to rust dylib with --crate-type staticlib This allows for example dynamically linking libstd, while statically linking the user crate into an executable or C dynamic library. For this two unstable flags (`-Z staticlib-allow-rdylib-deps` and `-Z staticlib-prefer-dynamic`) are introduced. Without the former you get an error. The latter is the equivalent to `-C prefer-dynamic` for the staticlib crate type to indicate that dynamically linking is preferred when both options are available, like for libstd. Care must be taken to ensure that no crate ends up being merged into two distinct staticlibs that are linked together. Doing so will cause a linker error at best and undefined behavior at worst. In addition two distinct staticlibs compiled by different rustc may not be combined under any circumstances due to some rustc private symbols not being mangled. To successfully link a staticlib, `--print native-static-libs` can be used while compiling to ask rustc for the linker flags necessary when linking the staticlib. This is an existing flag which previously only listed native libraries. It has been extended to list rust dylibs too. Trying to locate libstd yourself to link against it is not supported and may break if for example the libstd of multiple rustc versions are put in the same directory. For an example on how to use this see the `src/test/run-make-fulldeps/staticlib-dylib-linkage/` test.
Stabilize movbe target feature Almost all "old" x86 target features are stable. As far as I can tell, these are the last two unstable features in the `x86-64-v2` or `x86-64-v3` microarchitecture levels, so I'm not sure if it was an oversight or if they're still unstable for a reason (see rust-lang#106323 for `f16c`). Note that this only stabilizes the target features, and not the intrinsics. cc ``@Amanieu`` r? ``@rust-lang/lang``
Add `--no-undefined-version` link flag and fix associated breakage LLVM upstream sets `--no-undefined-version` by default in lld: https://reviews.llvm.org/D135402. Due to a bug in how version scripts are generated, this breaks the `dylib` output type for most crates. See rust-lang#105967 (comment) for details. This PR adds the flag to gcc flavor linkers in anticipation of this LLVM change rolling in, and patches `rustc` to not attempt to export `__rust_*` allocator symbols when they weren't generated. Fixes rust-lang#105967
Remove an extraneous include SymbolWrapper.cpp doesn't use std::optional or llvm::Optional, so this patch removes the extraneous include. Note that llvm/ADT/Optional.h has been deprecated upstream. This patch ensures that SymbolWrapper.cpp continues to compile even after the upcoming removal of Optional.h.
…strieb no more do while :<
Document tool lints Add brief doc comments for the internal tool lints so a summary can be seen without needing to open source code
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⌛ Testing commit 2dc5272 with merge 9c43306755ba4cc10e12c4a53daf1ef211762c6f... |
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Successful merges:
asm!operands #105798 (Relax ordering rules forasm!operands)--no-undefined-versionlink flag and fix associated breakage #108017 (Add--no-undefined-versionlink flag and fix associated breakage)Failed merges:
r? @ghost
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