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Streamline MacEager#158687

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nnethercote wants to merge 2 commits into
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nnethercote:streamline-MacEager
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Streamline MacEager#158687
nnethercote wants to merge 2 commits into
rust-lang:mainfrom
nnethercote:streamline-MacEager

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@nnethercote

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Details in individual commits.

r? @petrochenkov

These removed fields are never set, and thus are always `None`. Once
they are removed, several `make_*` methods can be simplified, or
entirely removed (giving the default `MacResult` behaviour).

Note also that `self.impl_items` was being returned for both
`make_impl_items` and `make_trait_impl_items`, which clearly wasn't
correct.
@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Jul 2, 2026
@nnethercote

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This is a cut-down version of #142061.

The code is shorter and easier to read with it removed.
@nnethercote nnethercote force-pushed the streamline-MacEager branch from 293895b to 1346c26 Compare July 2, 2026 09:50
@petrochenkov

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@bors r+ rollup

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rust-bors Bot commented Jul 2, 2026

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📌 Commit 1346c26 has been approved by petrochenkov

It is now in the queue for this repository.

🌲 The tree is currently closed for pull requests below priority 1000. This pull request will be tested once the tree is reopened.

@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 Jul 2, 2026
JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request Jul 2, 2026
…=petrochenkov

Streamline `MacEager`

Details in individual commits.

r? @petrochenkov
rust-bors Bot pushed a commit that referenced this pull request Jul 3, 2026
…uwer

Rollup of 22 pull requests

Successful merges:

 - #155429 (Support `u128`/`i128` c-variadic arguments)
 - #158100 (Emit retags in codegen to support BorrowSanitizer (part 4))
 - #158494 (Improve E0277 diagnostics for conditionally implemented traits)
 - #158606 (use ProjectionPredicate instead of AliasRelate)
 - #158627 (Simplify option-iterator flattening in the compiler)
 - #158658 (Update LLVM submodule)
 - #158665 (Revert "Remove redundant dyn-compatibility check.")
 - #158021 (Remove old MinGW workaround)
 - #158473 (Add `riscv32imfc-unknown-none-elf` bare-metal target)
 - #158549 (process::exec: using appropriate exit code on vxworks.)
 - #158585 (Improve diagnostic for too many super keywords)
 - #158637 (hir_ty_lowering: avoid self type lookup for inherent aliases)
 - #158651 (ptr doc: reduce use of unsafe block to where needed)
 - #158669 (Remove `src/tools/test-float-parse/Cargo.lock`)
 - #158674 (library: Polish transmute's `split_at_stdlib` example)
 - #158677 (Add extra splat tests)
 - #158680 (Avoid ICE for `NonZero<char>` in improper_ctypes)
 - #158681 (Remove unnecessary `Hash` derives from MIR types)
 - #158682 (Avoid delayed bug for disabled on_type_error arguments)
 - #158684 (Add missing generic test coverage for ```#[splat]```)
 - #158687 (Streamline `MacEager`)
 - #158688 (Cleanup attribute docs and add links to other mentioned attributes)
rust-bors Bot pushed a commit that referenced this pull request Jul 5, 2026
…uwer

Rollup of 22 pull requests

Successful merges:

 - #155429 (Support `u128`/`i128` c-variadic arguments)
 - #158100 (Emit retags in codegen to support BorrowSanitizer (part 4))
 - #158494 (Improve E0277 diagnostics for conditionally implemented traits)
 - #158606 (use ProjectionPredicate instead of AliasRelate)
 - #158627 (Simplify option-iterator flattening in the compiler)
 - #158658 (Update LLVM submodule)
 - #158665 (Revert "Remove redundant dyn-compatibility check.")
 - #158021 (Remove old MinGW workaround)
 - #158473 (Add `riscv32imfc-unknown-none-elf` bare-metal target)
 - #158549 (process::exec: using appropriate exit code on vxworks.)
 - #158585 (Improve diagnostic for too many super keywords)
 - #158637 (hir_ty_lowering: avoid self type lookup for inherent aliases)
 - #158651 (ptr doc: reduce use of unsafe block to where needed)
 - #158669 (Remove `src/tools/test-float-parse/Cargo.lock`)
 - #158674 (library: Polish transmute's `split_at_stdlib` example)
 - #158677 (Add extra splat tests)
 - #158680 (Avoid ICE for `NonZero<char>` in improper_ctypes)
 - #158681 (Remove unnecessary `Hash` derives from MIR types)
 - #158682 (Avoid delayed bug for disabled on_type_error arguments)
 - #158684 (Add missing generic test coverage for ```#[splat]```)
 - #158687 (Streamline `MacEager`)
 - #158688 (Cleanup attribute docs and add links to other mentioned attributes)
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3 participants