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Ignore more failing ui tests for GCC backend
Needed for https://github.com/rust-lang/rust/pull/146414.
r? ``@Kobzol``
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mbe: Simplify check_redundant_vis_repetition
Eliminate a use of `map_or` in favor of a match.
Inline some variable definitions that don't add clarity, and that
prevent short-circuiting.
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Add new `tyalias` intra-doc link disambiguator
Fixes https://github.com/rust-lang/rust/issues/146855.
Alternative to rust-lang/rust#146866.
This adds support for a new disambiguator: `tyalias`. I think it's common enough to have type aliases nowaday, so no reason to not be able to have a disambiguator for them.
cc ``@fmease``
r? lolbinarycat
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fix doc comments to be more standard
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Reduce some uses of `LegacyBang`
- **Switch `dummy_bang` from `LegacyBang` to `Bang`**
- **mbe: Switch dummy extension used for errors from `LegacyBang` to `Bang`**
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Use standard attribute logic for allocator shim
Use llfn_attrs_from_instance() to generate the attributes for the allocator shim. This ensures that we generate all the usual attributes (and don't get to find out one-by-one that a certain attribute is important for a certain target). Additionally this will enable emitting the allocator-specific attributes (not included here).
This change is quite awkward because the allocator shim uses SimpleCx, while llfn_attrs_from_instance uses CodegenCx. I've switched it to use SimpleCx plus tcx/sess arguments where necessary. If there's a simpler way to do this, I'd love to know about it...
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Stop linking rs{begin,end} objects on x86_64-*-windows-gnu
Until now, x86_64-pc-windows-gnu linked `rsbegin.o` and `rsend.o` just like i686-pc-windows-gnu, even though they were no-ops for it. This was likely done for the simplicity back when it was introduced.
Today the things are different and these startup/end objects harm other features, like `build-std`. Given the demotion of i686-pc-windows-gnu from tier 1, there is no point in hurting x86_64-pc-windows-gnu, which remains a tier 1.
The files are still shipped in case downstream crates expect them, as in case of the unmaintained `xargo`.
Fixes https://github.com/rust-lang/rust/issues/146739
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port `#[debugger_visualizer]` to the new attribute system
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Demote both armebv7r-none-* targets.
OK, slightly more controversial than https://github.com/rust-lang/rust/pull/146520 and https://github.com/rust-lang/rust/pull/146522 - I'd like to drop the bare-metal **big-endian** Armv7-R targets down to Tier 3.
The reason is simple - we cannot test them in https://github.com/rust-embedded/cortex-ar/. This because QEMU support for Big Endian Armv7-R is broken. I tried quite hard, but all the strings I printed with semihosting came out byte swapped (or "etybawa depp") because of how QEMU kludges the access to memory in big-endian mode.
The target also has only a single maintainer. Although, if ````@chrisnc```` wants to put up a case for keeping it at Tier 2 though, I'm happy to hear it!
This PR wil be rebased once https://github.com/rust-lang/rust/pull/146419 completes the queue.
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resolve: Do not finalize shadowed bindings
I.e. do not mark them as used, or non-speculatively loaded, or similar.
Previously they were sometimes finalized during early resolution, causing issues like https://github.com/rust-lang/rust/pull/144793#issuecomment-3168108005.
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support opaque types in method selection
See my notes in https://hackmd.io/4ILASx3mQ3u_gW9r1JyqCw.
This PR builds on https://github.com/rust-lang/rust/pull/145993 and allows not-yet defined opaque types as self types in the `method_autoderef_chain`.
E.g. for `Box<impl Deref<impl Foo>>` this results in the autoderef chain `Box<impl Deref> -> ?deref_hidden_ty -> ?foo_hidden_ty`. Method selection stays ambiguous if the final autoderef step is still an infer var unless that var is an opaque.
TODO: treating opaques as rigid jank.
r? `@BoxyUwU`
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memchr 2.7.6 contains a bugfix for aarch64_be
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We'll still error due to the `opt_bad_ty` of `method_autoderef_steps`.
This slightly worsens the span of `infer_var.method()` which is now the
same as for `Box::new(infer_var).method()`.
Unlike `structurally_resolve_type`, `probe_op` does not check whether
the infcx is already tainted, so this results in 2 previously not emitted
errors.
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`autoderef` already resolved and `method_autoderef_steps` makes
sure we won't encounter an inference variable
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Make cargo test work for bootstrap self test
This PR enables the bootstrap self-test to run via cargo test. I have removed the detect_src_and_out test for now, but it will be reintroduced in a follow-up PR where all bootstrap tests will be migrated to use testCtx.
r? `@Kobzol`
try-job: aarch64-apple
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Migrate `replace_arith_op` assist to use `SyntaxEditor`
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Add applicable on bang `!` for apply_demorgan
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Fix precedence parenthesis for replace_arith_op
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Add cfg_attr predicate completion
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Rollup of 7 pull requests
Successful merges:
- rust-lang/rust#146283 (Resolve: (Ref)Cell wrappers to deny mutation during spec resolution.)
- rust-lang/rust#146453 (Add general arm-linux.md platform doc.)
- rust-lang/rust#146991 (const_caller_location to use real Span instead of `DUMMY_SP`)
- rust-lang/rust#146994 (Add `clippy::unconditional_recursion` to `./x clippy ci`)
- rust-lang/rust#147038 (Rename verbosity functions in bootstrap)
- rust-lang/rust#147047 (rustdoc: put the toolbar on the all item index)
- rust-lang/rust#147049 (std: fix warning in VEXos stdio module)
r? `@ghost`
`@rustbot` modify labels: rollup
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Add const parameter keyword completion
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Fix expand rest pattern in tuple and slice pattern
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Assist: expand_tuple_rest_pattern
Fills fields by replacing rest pattern in tuple patterns.
Example
---
```
fn foo(bar: (char, i32, i32)) {
let (ch, ..$0) = bar;
}
```
->
```
fn foo(bar: (char, i32, i32)) {
let (ch, _1, _2) = bar;
}
```
---
Assist: expand_slice_rest_pattern
Fills fields by replacing rest pattern in slice patterns.
Example
---
```
fn foo(bar: [i32; 3]) {
let [first, ..$0] = bar;
}
```
->
```
fn foo(bar: [i32; 3]) {
let [first, _1, _2] = bar;
}
```
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Add let-chain support for convert_to_guarded_return
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otherwise a buildroot containing `libpanic_abort` would be mangled before being
replaced by the build root placeholder value..
e.g., running `./x.py test --verbose tests/run-make/linker-warning` with rustc
checked out in ~/ext/rustc-libpanic_abort will result in (output slightly shortened):
```
running 1 tests
test [run-make] tests/run-make/linker-warning ... FAILED
failures:
---- [run-make] tests/run-make/linker-warning stdout ----
------rustc stdout------------------------------
------rustc stderr------------------------------
------------------------------------------
error: rmake recipe failed to complete
status: exit status: 101
command: cd "/home/user/ext/rustc-libpanic_abort/build/x86_64-unknown-linux-gnu/test/run-make/linker-warning/rmake_out" && env -u RUSTFLAGS -u __RUSTC_DEBUG_ASSERTIONS_ENABLED -u __STD_DEBUG_ASSERTIONS_ENABLED AR="ar" BUILD_ROOT="/home/user/ext/rustc-libpanic_abort/build/x86_64-unknown-linux-gnu" CC="cc" CC_DEFAULT_FLAGS="-ffunction-sections -fdata-sections -fPIC -m64" CXX="c++" CXX_DEFAULT_FLAGS="-ffunction-sections -fdata-sections -fPIC -m64" HOST_RUSTC_DYLIB_PATH="/home/user/ext/rustc-libpanic_abort/build/x86_64-unknown-linux-gnu/stage1/lib" LD_LIBRARY_PATH="/home/user/ext/rustc-libpanic_abort/build/x86_64-unknown-linux-gnu/bootstrap-tools/x86_64-unknown-linux-gnu/release/deps:/home/user/ext/rustc-libpanic_abort/build/x86_64-unknown-linux-gnu/stage0/lib/rustlib/x86_64-unknown-linux-gnu/lib" LD_LIB_PATH_ENVVAR="LD_LIBRARY_PATH" LLVM_BIN_DIR="/home/user/ext/rustc-libpanic_abort/build/x86_64-unknown-linux-gnu/ci-llvm/bin" LLVM_COMPONENTS="<...>" LLVM_FILECHECK="/home/user/ext/rustc-libpanic_abort/build/x86_64-unknown-linux-gnu/ci-llvm/bin/FileCheck" NODE="/usr/bin/node" PYTHON="/usr/bin/python3" RUSTC="/home/user/ext/rustc-libpanic_abort/build/x86_64-unknown-linux-gnu/stage1/bin/rustc" RUSTDOC="/home/user/ext/rustc-libpanic_abort/build/x86_64-unknown-linux-gnu/stage1/bin/rustdoc" SOURCE_ROOT="/home/user/ext/rustc-libpanic_abort" TARGET="x86_64-unknown-linux-gnu" TARGET_EXE_DYLIB_PATH="/home/user/ext/rustc-libpanic_abort/build/x86_64-unknown-linux-gnu/stage1/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/home/user/ext/rustc-libpanic_abort/build/x86_64-unknown-linux-gnu/test/run-make/linker-warning/rmake"
stdout: none
--- stderr -------------------------------
thread 'main' panicked at /home/user/ext/rustc-libpanic_abort/tests/run-make/linker-warning/rmake.rs:74:14:
test failed: `short-error.txt` is different from `(linker error)`
--- short-error.txt
+++ (linker error)
@@ -1,6 +1,6 @@
error: linking with `./fake-linker` failed: exit status: 1
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- = note: "./fake-linker" "-m64" "/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/build-root/test/run-make/linker-warning/rmake_out/{libfoo,libbar}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/raw-dylibs" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/build-root/test/run-make/linker-warning/rmake_out" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "main" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" "run_make_error"
+ = note: "./fake-linker" "-m64" "/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/home/user/ext/rustc-libpanic_unwind/build/x86_64-unknown-linux-gnu/test/run-make/linker-warning/rmake_out/{libfoo,libbar}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/raw-dylibs" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/home/user/ext/rustc-libpanic_unwind/build/x86_64-unknown-linux-gnu/test/run-make/linker-warning/rmake_out" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "main" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" "run_make_error"
= note: some arguments are omitted. use `--verbose` to show all linker arguments
= note: error: baz
[..]
```
without this fix.
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
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Fix applicable on if-let-chain for invert_if
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Fix fixes for unused raw variables
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std: fix warning in VEXos stdio module
Fixes building `std` on the `armv7a-vex-v5` target due to an unnecessarily mutable argument in `Stdin`.
This was a stupid oversight on my part towards the end of rust-lang/rust#145973's review process. Missed a warning and had a bad bootstrap config that didn't tell me about it when testing changes.
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rustdoc: put the toolbar on the all item index
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Rename verbosity functions in bootstrap
Just a small cleanup, these function names have been bothering me for a while. I realized that we can delete some of them outright, rather than just renaming them.
r? ``@jieyouxu``
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Add `clippy::unconditional_recursion` to `./x clippy ci`
The clippy lint catches some things that rustc's equivalent builtin lint
does not, for example rust-lang/rust#146940:
error: function cannot return without recursing
--> library/std/src/path.rs:3428:5
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3428 | / fn eq(&self, other: &String) -> bool {
3429 | | self == &*other
3430 | | }
| |_____^
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note: recursive call site
--> library/std/src/path.rs:3429:9
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3429 | self == &*other
| ^^^^^^^^^^^^^^^
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unconditional_recursion
= note: requested on the command line with `-D clippy::unconditional-recursion`
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const_caller_location to use real Span instead of `DUMMY_SP`
Clarifying usage of DUMMY_SP
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