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Rollup of 15 pull requests#152144

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Zalathar wants to merge 39 commits intorust-lang:mainfrom
Zalathar:rollup-GdoFMTU
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Rollup of 15 pull requests#152144
Zalathar wants to merge 39 commits intorust-lang:mainfrom
Zalathar:rollup-GdoFMTU

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@Zalathar Zalathar commented Feb 5, 2026

Successful merges:

Failed merges:

r? @ghost

Create a similar rollup

taiki-e and others added 30 commits January 15, 2026 11:05
There don't appear to be any trait impls relying on this default body.
Also remove mentions of removed `rustc_dirty`
It's a tiny module with one trait and a default impl. It's not used in
`rustc_query_system`; all uses and non-default impls are in
`rustc_middle` and `rustc_query_impl`.

This commit moves it into `rustc_middle`, which makes things simpler
overall.
It's a better place for it, because it relates to queries.
They are defined in `rustc_query_system` but used in `rustc_query_impl`.
This is very much *not* how things are supposed to be done; I suspect
someone got lazy and took a shortcut at some point.

This commit moves the errors into `rustc_query_impl`. This requires more
lines of code to give `rustc_query_impl` an errors module, but it's
worthwhile to do things in the normal way instead of a weird exceptional
way.
It's unused. And it's nice to remove this function that didn't behave
like normal `clear` does, as the comment explained.
…nathanBrouwer

Add new unstable attribute: `#[export_visibility = ...]`.

This PR is an implementation of the RFC tracked in rust-lang#151425
…ingjubilee

Add avr_target_feature

This adds the following unstable target features (tracking issue: rust-lang#146889):

- The following two are particularly important for properly supporting inline assembly:
  - `tinyencoding`: AVR has devices that reduce the number of registers, similar to RISC-V's RV32E. This feature is necessary to support inline assembly in such devices. (see also rust-lang#146901)
  - `lowbytefirst`: AVR's memory access is per 8-bit, and when writing 16-bit ports, the bytes must be written in a specific order. This order depends on devices, making this feature necessary to write proper inline assembly for such use cases. (see also llvm/llvm-project@2a52876)
- The followings help recognizing whether specific instructions are available:
  - `addsubiw`
  - `break`
  - `eijmpcall`
  - `elpm`
  - `elpmx`
  - `ijmpcall`
  - `jmpcall`
  - `lpm`
  - `lpmx`
  - `movw`
  - `mul`
  - `rmw`
  - `spm`
  - `spmx`

  Of these, all except `addsubiw`, `break`, `ijmpcall`, `lpm`, `rmw`, `spm`, and `spmx` have [corresponding conditional codes in avr-libc](https://github.com/search?q=repo%3Aavrdudes%2Favr-libc+%2F__AVR_HAVE_%2F&type=code&p=1). LLVM also has `des` feature, but I excluded it from this PR because [DES](https://en.wikipedia.org/wiki/Data_Encryption_Standard) is insecure.

- Report future-incompatible warning (rust-lang#116344) for -C target-feature=-sram and -C target-cpu=<device_without_sram> cases because SRAM is minimum requirement for non-assembly language in both avr-gcc and LLVM.
  - See rust-lang#146900 (comment) for details.

LLVM also has `smallstack`, `wrappingrjmp`, and `memmappedregs` features, but I skipped them because they didn't seem to belong to either of the above categories, but I might have missed something.

(The feature names are match with [definitions in LLVM](https://github.com/llvm/llvm-project/blob/llvmorg-21.1.0/llvm/lib/Target/AVR/AVRDevices.td).)

cc @Patryk27 @Rahix
r? workingjubilee

@rustbot label +O-AVR +A-target-feature
Rename trait `DepNodeParams` to `DepNodeKey`

In query system plumbing, we usually refer to a query's explicit argument value as a “key”.

The first few commits do some preliminary cleanup that would conflict with the rename; the rename itself is in the final commit.

r? nnethercote (or compiler)
…, r=GuillaumeGomez

Convert to inline diagnostics in `rustc_hir_typeck`

For rust-lang#151366
r? @GuillaumeGomez
… r=ZuseZ4

Remove dummy loads on offload codegen

The current logic generates two dummy loads to prevent some globals from being optimized away. This blocks memtransfer loop hoisting optimizations, so it's time to remove them.

r? @ZuseZ4
Some `rustc_query_system` cleanups

Small improvements I found while looking closely at `rustc_query_system`. Best reviewed one commit at a time.

r? @cjgillot
…r=nikic

Adopt matches-logical-or-141497.rs to LLVM HEAD

After http://github.com/llvm/llvm-project/pull/178977, the and + icmp are folded to trunc.
@rust-bors rust-bors bot added the rollup A PR which is a rollup label Feb 5, 2026
@rustbot rustbot added A-attributes Area: Attributes (`#[…]`, `#![…]`) A-compiletest Area: The compiletest test runner A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) A-run-make Area: port run-make Makefiles to rmake.rs A-testsuite Area: The testsuite used to check the correctness of rustc S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue. T-rustdoc-frontend Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output. labels Feb 5, 2026
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Zalathar commented Feb 5, 2026

Rollup of everything.

@bors r+ rollup=never p=5

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rust-bors bot commented Feb 5, 2026

📌 Commit 77739fa has been approved by Zalathar

It is now in the queue for this repository.

@rust-bors rust-bors bot added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Feb 5, 2026
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rust-bors bot pushed a commit that referenced this pull request Feb 5, 2026
Rollup of 15 pull requests

Successful merges:

 - #151431 (Add new unstable attribute: `#[export_visibility = ...]`.)
 - #146900 (Add avr_target_feature)
 - #152033 (Rename trait `DepNodeParams` to `DepNodeKey`)
 - #152142 (Convert to inline diagnostics in `rustc_hir_typeck`)
 - #152020 (Remove dummy loads on offload codegen)
 - #152023 (Some `rustc_query_system` cleanups)
 - #152068 (Convert to inline diagnostics in `rustc_resolve`)
 - #152081 (Port depgraph testing attributes to parser)
 - #152090 (Port reexport_test_harness_main to attr parser)
 - #152105 (Convert to inline diagnostics in `rustc_ast_lowering`)
 - #152108 (Convert to inline diagnostics in `rustc_expand`)
 - #152114 (Convert to inline diagnostics in `rustc_mir_transform`)
 - #152115 (Convert to inline diagnostics in `rustc_metadata`)
 - #152116 (Remove rustdoc GUI flaky test)
 - #152128 (Adopt matches-logical-or-141497.rs to LLVM HEAD)

Failed merges:

 - #152070 (Convert to inline diagnostics in `rustc_pattern_analysis`)
 - #152106 (Convert to inline diagnostics in `rustc_ast_passes`)
 - #152109 (Convert to inline diagnostics in `rustc_errors`)
 - #152117 (Convert to inline diagnostics in `rustc_trait_selection`)
 - #152118 (Convert to inline diagnostics in `rustc_codegen_ssa`)
 - #152119 (Convert to inline diagnostics in `rustc_middle`)
 - #152126 (Convert to inline diagnostics in `rustc_mir_build`)
 - #152131 (Port rustc_no_implicit_bounds attribute to parser.)
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The job test-various failed! Check out the build log: (web) (plain enhanced) (plain)

Click to see the possible cause of the failure (guessed by this bot)
##[group]Runner Image Provisioner
Hosted Compute Agent
Version: 20260123.484
Commit: 6bd6555ca37d84114959e1c76d2c01448ff61c5d
Build Date: 2026-01-23T19:41:17Z
Worker ID: {e7f74506-039a-47fe-8389-ae189e295876}
Azure Region: westcentralus
##[endgroup]
##[group]Operating System
Ubuntu
24.04.3
LTS
---
REPOSITORY                                   TAG       IMAGE ID       CREATED      SIZE
ghcr.io/dependabot/dependabot-updater-core   latest    bcec0b4e062b   9 days ago   783MB
=> Removing docker images...
Deleted Images:
untagged: ghcr.io/dependabot/dependabot-updater-core:latest
untagged: ghcr.io/dependabot/dependabot-updater-core@sha256:b662be51f7b8ef7e2c8464428f14e49cb79c36aa9afb7ecb9221dfe0f507050c
deleted: sha256:bcec0b4e062b5ffe11cc1c2729558c0cd96621c0271ab5e97ff3a56e0c25045a
deleted: sha256:64e147d5e54d9be8b8aa322e511cda02296eda4b8b8d063c6a314833aca50e29
deleted: sha256:5cba409bb463f4e7fa1a19f695450170422582c1bc7c0e934d893b4e5f558bc6
deleted: sha256:cddc6ebd344b0111eaab170ead1dfda24acdfe865ed8a12599a34d338fa8e28b
deleted: sha256:2412c3f334d79134573cd45e657fb6cc0abd75bef3881458b0d498d936545c8d
---
---- [run-make] tests/run-make/cdylib-export-visibility stdout ----

error: rmake recipe failed to complete
status: exit status: 101
command: cd "/checkout/obj/build/x86_64-unknown-linux-gnu/test/run-make/cdylib-export-visibility/rmake_out" && env -u RUSTFLAGS -u __RUSTC_DEBUG_ASSERTIONS_ENABLED -u __STD_DEBUG_ASSERTIONS_ENABLED -u __STD_REMAP_DEBUGINFO_ENABLED AR="/wasi-sdk-29.0-x86_64-linux/bin/llvm-ar" BUILD_ROOT="/checkout/obj/build/x86_64-unknown-linux-gnu" CC="/wasi-sdk-29.0-x86_64-linux/bin/wasm32-wasip1-clang" CC_DEFAULT_FLAGS="-ffunction-sections -fdata-sections -fno-exceptions --target=wasm32-wasip1" CXX="/wasi-sdk-29.0-x86_64-linux/bin/wasm32-wasip1-clang++" CXX_DEFAULT_FLAGS="-ffunction-sections -fdata-sections -fno-exceptions --target=wasm32-wasip1" HOST_RUSTC_DYLIB_PATH="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib" LD_LIBRARY_PATH="/checkout/obj/build/x86_64-unknown-linux-gnu/bootstrap-tools/x86_64-unknown-linux-gnu/release/deps:/checkout/obj/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="/checkout/obj/build/x86_64-unknown-linux-gnu/ci-llvm/bin" LLVM_COMPONENTS="aarch64 aarch64asmparser aarch64codegen aarch64desc aarch64disassembler aarch64info aarch64utils abi aggressiveinstcombine all all-targets amdgpu amdgpuasmparser amdgpucodegen amdgpudesc amdgpudisassembler amdgpuinfo amdgputargetmca amdgpuutils analysis arm armasmparser armcodegen armdesc armdisassembler arminfo armutils asmparser asmprinter avr avrasmparser avrcodegen avrdesc avrdisassembler avrinfo binaryformat bitreader bitstreamreader bitwriter bpf bpfasmparser bpfcodegen bpfdesc bpfdisassembler bpfinfo cas cfguard cgdata codegen codegentypes core coroutines coverage csky cskyasmparser cskycodegen cskydesc cskydisassembler cskyinfo debuginfobtf debuginfocodeview debuginfodwarf debuginfodwarflowlevel debuginfogsym debuginfologicalview debuginfomsf debuginfopdb demangle dlltooldriver dtlto dwarfcfichecker dwarflinker dwarflinkerclassic dwarflinkerparallel dwp engine executionengine extensions filecheck frontendatomic frontenddirective frontenddriver frontendhlsl frontendoffloading frontendopenacc frontendopenmp fuzzercli fuzzmutate globalisel hexagon hexagonasmparser hexagoncodegen hexagondesc hexagondisassembler hexagoninfo hipstdpar instcombine instrumentation interfacestub interpreter ipo irprinter irreader jitlink libdriver lineeditor linker loongarch loongarchasmparser loongarchcodegen loongarchdesc loongarchdisassembler loongarchinfo lto m68k m68kasmparser m68kcodegen m68kdesc m68kdisassembler m68kinfo mc mca mcdisassembler mcjit mcparser mips mipsasmparser mipscodegen mipsdesc mipsdisassembler mipsinfo mirparser msp430 msp430asmparser msp430codegen msp430desc msp430disassembler msp430info native nativecodegen nvptx nvptxcodegen nvptxdesc nvptxinfo objcarcopts objcopy object objectyaml option orcdebugging orcjit orcshared orctargetprocess passes plugins powerpc powerpcasmparser powerpccodegen powerpcdesc powerpcdisassembler powerpcinfo profiledata remarks riscv riscvasmparser riscvcodegen riscvdesc riscvdisassembler riscvinfo riscvtargetmca runtimedyld sandboxir scalaropts selectiondag sparc sparcasmparser sparccodegen sparcdesc sparcdisassembler sparcinfo support supportlsp symbolize systemz systemzasmparser systemzcodegen systemzdesc systemzdisassembler systemzinfo tablegen target targetparser telemetry textapi textapibinaryreader transformutils vectorize webassembly webassemblyasmparser webassemblycodegen webassemblydesc webassemblydisassembler webassemblyinfo webassemblyutils windowsdriver windowsmanifest x86 x86asmparser x86codegen x86desc x86disassembler x86info x86targetmca xray xtensa xtensaasmparser xtensacodegen xtensadesc xtensadisassembler xtensainfo" LLVM_FILECHECK="/checkout/obj/build/x86_64-unknown-linux-gnu/ci-llvm/bin/FileCheck" NODE="/node/bin/node" PYTHON="/usr/bin/python3" RUNNER="/wasmtime-v38.0.4-x86_64-linux/wasmtime run -C cache=n --dir . --env RUSTC_BOOTSTRAP" RUSTC="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" RUSTDOC="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustdoc" SOURCE_ROOT="/checkout" TARGET="wasm32-wasip1" TARGET_EXE_DYLIB_PATH="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/wasm32-wasip1/lib" __BOOTSTRAP_JOBS="4" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/run-make/cdylib-export-visibility/rmake"
stdout: none
--- stderr -------------------------------

thread 'main' (28314) panicked at /checkout/tests/run-make/cdylib-export-visibility/rmake.rs:33:33:
Test #1: failed to read `libfoo.so`: No such file or directory (os error 2)
stack backtrace:
   0: __rustc::rust_begin_unwind
             at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
   1: core::panicking::panic_fmt
             at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14

@rust-bors rust-bors bot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Feb 5, 2026
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rust-bors bot commented Feb 5, 2026

💔 Test for 491664b failed: CI. Failed job:

@rust-bors rust-bors bot added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Feb 5, 2026
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rust-bors bot commented Feb 5, 2026

PR #151431, which is a member of this rollup, was unapproved.
This rollup was thus also unapproved.

@Zalathar Zalathar closed this Feb 5, 2026
@rustbot rustbot removed the S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. label Feb 5, 2026
@Zalathar Zalathar deleted the rollup-GdoFMTU branch February 5, 2026 02:12
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Labels

A-attributes Area: Attributes (`#[…]`, `#![…]`) A-compiletest Area: The compiletest test runner A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) A-run-make Area: port run-make Makefiles to rmake.rs A-testsuite Area: The testsuite used to check the correctness of rustc rollup A PR which is a rollup T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue. T-rustdoc-frontend Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.

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