ElaborateBoxDeref: remove unnecessary projection - #160322
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Some changes occurred to MIR optimizations cc @rust-lang/wg-mir-opt |
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This PR was rebased onto a different main commit. Here's a range-diff highlighting what actually changed. Rebasing is a normal part of keeping PRs up to date, so no action is needed—this note is just to help reviewers. |
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ElaborateBoxDeref: remove unnecessary projection r? @oli-obk
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…uwer Rollup of 6 pull requests Successful merges: - #159844 (Subtree cg_gcc sync (2026-07-24)) - #160406 (`DepKind` cleanups) - #159303 (Fix ICE for direct inline const generic defaults) - #160314 (fix borrowck ICE for consts with fn pointer type) - #160322 (ElaborateBoxDeref: remove unnecessary projection) - #160384 (Add PR body notes for Cargo lock file maintenance)
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ElaborateBoxDeref: remove unnecessary projection r? @oli-obk
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…uwer Rollup of 21 pull requests Successful merges: - #159844 (Subtree cg_gcc sync (2026-07-24)) - #159326 (Deny multiple EII impls on a single item) - #159535 (Optimize slice::contains for bytewise types) - #159595 (Promote loongarch32-unknown-none* to Tier 2) - #160007 (allow `-Ldependency` search paths for panic runtimes) - #160320 (point at trait definition when it is used as a derive macro) - #160369 (When suggesting method names, prefer *exact* doc aliases over similar names) - #160406 (`DepKind` cleanups) - #160424 (Use `thread::available_parallelism` as the default limit for backend parallelism) - #159014 ([rustdoc] Do not take `doc(cfg())` into account when filtering doctests) - #159303 (Fix ICE for direct inline const generic defaults) - #159977 (Add regression test for bool indexing codegen) - #160165 (reject `...` without pattern post-expansion) - #160295 (Fix rustdoc ICE when checking if a generic arg can be elided) - #160305 (Linkify C-SKY targets in `platform-support.md`) - #160314 (fix borrowck ICE for consts with fn pointer type) - #160322 (ElaborateBoxDeref: remove unnecessary projection) - #160338 (Add regression test for supertrait associated type normalization through dyn) - #160340 (Add regression test for unused_parens on contract clauses) - #160371 (Add doc aliases for transpositions `read_exact_buf` and `read_exact_buf_at`) - #160384 (Add PR body notes for Cargo lock file maintenance)
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ElaborateBoxDeref: remove unnecessary projection r? @oli-obk
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…uwer Rollup of 23 pull requests Successful merges: - #153749 (Account for ownership mismatch on argument that doesn't meet bound) - #159326 (Deny multiple EII impls on a single item) - #159535 (Optimize slice::contains for bytewise types) - #159595 (Promote loongarch32-unknown-none* to Tier 2) - #160007 (allow `-Ldependency` search paths for panic runtimes) - #160184 (Add -Zinstrument-mcount={fentry-nop-record,fentry-record}) - #160320 (point at trait definition when it is used as a derive macro) - #160369 (When suggesting method names, prefer *exact* doc aliases over similar names) - #160406 (`DepKind` cleanups) - #160424 (Use `thread::available_parallelism` as the default limit for backend parallelism) - #159303 (Fix ICE for direct inline const generic defaults) - #159977 (Add regression test for bool indexing codegen) - #160011 (remove InterpError::map_err_info) - #160165 (reject `...` without pattern post-expansion) - #160295 (Fix rustdoc ICE when checking if a generic arg can be elided) - #160305 (Linkify C-SKY targets in `platform-support.md`) - #160314 (fix borrowck ICE for consts with fn pointer type) - #160322 (ElaborateBoxDeref: remove unnecessary projection) - #160338 (Add regression test for supertrait associated type normalization through dyn) - #160340 (Add regression test for unused_parens on contract clauses) - #160371 (Add doc aliases for transpositions `read_exact_buf` and `read_exact_buf_at`) - #160384 (Add PR body notes for Cargo lock file maintenance) - #160435 (bump tracing-tree)
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ElaborateBoxDeref: remove unnecessary projection r? @oli-obk
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…uwer Rollup of 26 pull requests Successful merges: - #153749 (Account for ownership mismatch on argument that doesn't meet bound) - #158727 (std: use `readdir` on nearly all UNIX platforms) - #159130 (a bit optimize four-digit chunks in integer formatting) - #159326 (Deny multiple EII impls on a single item) - #159535 (Optimize slice::contains for bytewise types) - #159595 (Promote loongarch32-unknown-none* to Tier 2) - #160184 (Add -Zinstrument-mcount={fentry-nop-record,fentry-record}) - #160320 (point at trait definition when it is used as a derive macro) - #160369 (When suggesting method names, prefer *exact* doc aliases over similar names) - #160406 (`DepKind` cleanups) - #160424 (Use `thread::available_parallelism` as the default limit for backend parallelism) - #159303 (Fix ICE for direct inline const generic defaults) - #159977 (Add regression test for bool indexing codegen) - #160011 (remove InterpError::map_err_info) - #160165 (reject `...` without pattern post-expansion) - #160295 (Fix rustdoc ICE when checking if a generic arg can be elided) - #160305 (Linkify C-SKY targets in `platform-support.md`) - #160314 (fix borrowck ICE for consts with fn pointer type) - #160322 (ElaborateBoxDeref: remove unnecessary projection) - #160338 (Add regression test for supertrait associated type normalization through dyn) - #160340 (Add regression test for unused_parens on contract clauses) - #160371 (Add doc aliases for transpositions `read_exact_buf` and `read_exact_buf_at`) - #160384 (Add PR body notes for Cargo lock file maintenance) - #160412 (Move duplicate-names check for #[rustc_must_implement_one_of] to attribute parser) - #160435 (bump tracing-tree) - #160449 (Fix lookup of object files)
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ElaborateBoxDeref: remove unnecessary projection r? @oli-obk
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ElaborateBoxDeref: remove unnecessary projection r? @oli-obk
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Rollup of 28 pull requests Successful merges: - #153749 (Account for ownership mismatch on argument that doesn't meet bound) - #159130 (a bit optimize four-digit chunks in integer formatting) - #159326 (Deny multiple EII impls on a single item) - #159535 (Optimize slice::contains for bytewise types) - #159595 (Promote loongarch32-unknown-none* to Tier 2) - #160184 (Add -Zinstrument-mcount={fentry-nop-record,fentry-record}) - #160320 (point at trait definition when it is used as a derive macro) - #160369 (When suggesting method names, prefer *exact* doc aliases over similar names) - #160406 (`DepKind` cleanups) - #160424 (Use `thread::available_parallelism` as the default limit for backend parallelism) - #159303 (Fix ICE for direct inline const generic defaults) - #159977 (Add regression test for bool indexing codegen) - #160011 (remove InterpError::map_err_info) - #160165 (reject `...` without pattern post-expansion) - #160172 (tests: Enable `feature(stmt_expr_attributes)` in `2229_closure_analysis` tests) - #160295 (Fix rustdoc ICE when checking if a generic arg can be elided) - #160305 (Linkify C-SKY targets in `platform-support.md`) - #160314 (fix borrowck ICE for consts with fn pointer type) - #160322 (ElaborateBoxDeref: remove unnecessary projection) - #160338 (Add regression test for supertrait associated type normalization through dyn) - #160340 (Add regression test for unused_parens on contract clauses) - #160371 (Add doc aliases for transpositions `read_exact_buf` and `read_exact_buf_at`) - #160384 (Add PR body notes for Cargo lock file maintenance) - #160412 (Move duplicate-names check for #[rustc_must_implement_one_of] to attribute parser) - #160427 (Run try builds on EC2 by default) - #160435 (bump tracing-tree) - #160449 (Fix lookup of object files) - #160477 (Update the tracking issue for `borrowed_buf_init`)
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Rollup of 28 pull requests Successful merges: - #153749 (Account for ownership mismatch on argument that doesn't meet bound) - #159130 (a bit optimize four-digit chunks in integer formatting) - #159326 (Deny multiple EII impls on a single item) - #159535 (Optimize slice::contains for bytewise types) - #159595 (Promote loongarch32-unknown-none* to Tier 2) - #160184 (Add -Zinstrument-mcount={fentry-nop-record,fentry-record}) - #160320 (point at trait definition when it is used as a derive macro) - #160369 (When suggesting method names, prefer *exact* doc aliases over similar names) - #160406 (`DepKind` cleanups) - #160424 (Use `thread::available_parallelism` as the default limit for backend parallelism) - #159303 (Fix ICE for direct inline const generic defaults) - #159977 (Add regression test for bool indexing codegen) - #160011 (remove InterpError::map_err_info) - #160165 (reject `...` without pattern post-expansion) - #160172 (tests: Enable `feature(stmt_expr_attributes)` in `2229_closure_analysis` tests) - #160295 (Fix rustdoc ICE when checking if a generic arg can be elided) - #160305 (Linkify C-SKY targets in `platform-support.md`) - #160314 (fix borrowck ICE for consts with fn pointer type) - #160322 (ElaborateBoxDeref: remove unnecessary projection) - #160338 (Add regression test for supertrait associated type normalization through dyn) - #160340 (Add regression test for unused_parens on contract clauses) - #160371 (Add doc aliases for transpositions `read_exact_buf` and `read_exact_buf_at`) - #160384 (Add PR body notes for Cargo lock file maintenance) - #160412 (Move duplicate-names check for #[rustc_must_implement_one_of] to attribute parser) - #160427 (Run try builds on EC2 by default) - #160435 (bump tracing-tree) - #160449 (Fix lookup of object files) - #160477 (Update the tracking issue for `borrowed_buf_init`)
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Rollup of 28 pull requests Successful merges: - #153749 (Account for ownership mismatch on argument that doesn't meet bound) - #159130 (a bit optimize four-digit chunks in integer formatting) - #159326 (Deny multiple EII impls on a single item) - #159535 (Optimize slice::contains for bytewise types) - #159595 (Promote loongarch32-unknown-none* to Tier 2) - #160184 (Add -Zinstrument-mcount={fentry-nop-record,fentry-record}) - #160320 (point at trait definition when it is used as a derive macro) - #160369 (When suggesting method names, prefer *exact* doc aliases over similar names) - #160406 (`DepKind` cleanups) - #160424 (Use `thread::available_parallelism` as the default limit for backend parallelism) - #159303 (Fix ICE for direct inline const generic defaults) - #159977 (Add regression test for bool indexing codegen) - #160011 (remove InterpError::map_err_info) - #160165 (reject `...` without pattern post-expansion) - #160172 (tests: Enable `feature(stmt_expr_attributes)` in `2229_closure_analysis` tests) - #160295 (Fix rustdoc ICE when checking if a generic arg can be elided) - #160305 (Linkify C-SKY targets in `platform-support.md`) - #160314 (fix borrowck ICE for consts with fn pointer type) - #160322 (ElaborateBoxDeref: remove unnecessary projection) - #160338 (Add regression test for supertrait associated type normalization through dyn) - #160340 (Add regression test for unused_parens on contract clauses) - #160371 (Add doc aliases for transpositions `read_exact_buf` and `read_exact_buf_at`) - #160384 (Add PR body notes for Cargo lock file maintenance) - #160412 (Move duplicate-names check for #[rustc_must_implement_one_of] to attribute parser) - #160427 (Run try builds on EC2 by default) - #160435 (bump tracing-tree) - #160449 (Fix lookup of object files) - #160477 (Update the tracking issue for `borrowed_buf_init`)
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Rollup of 29 pull requests Successful merges: - #153749 (Account for ownership mismatch on argument that doesn't meet bound) - #159130 (a bit optimize four-digit chunks in integer formatting) - #159326 (Deny multiple EII impls on a single item) - #159535 (Optimize slice::contains for bytewise types) - #159595 (Promote loongarch32-unknown-none* to Tier 2) - #160184 (Add -Zinstrument-mcount={fentry-nop-record,fentry-record}) - #160320 (point at trait definition when it is used as a derive macro) - #160369 (When suggesting method names, prefer *exact* doc aliases over similar names) - #160406 (`DepKind` cleanups) - #160424 (Use `thread::available_parallelism` as the default limit for backend parallelism) - #160434 (Avoid Docker push when the image did not change) - #159303 (Fix ICE for direct inline const generic defaults) - #159977 (Add regression test for bool indexing codegen) - #160011 (remove InterpError::map_err_info) - #160165 (reject `...` without pattern post-expansion) - #160172 (tests: Enable `feature(stmt_expr_attributes)` in `2229_closure_analysis` tests) - #160295 (Fix rustdoc ICE when checking if a generic arg can be elided) - #160305 (Linkify C-SKY targets in `platform-support.md`) - #160314 (fix borrowck ICE for consts with fn pointer type) - #160322 (ElaborateBoxDeref: remove unnecessary projection) - #160338 (Add regression test for supertrait associated type normalization through dyn) - #160340 (Add regression test for unused_parens on contract clauses) - #160371 (Add doc aliases for transpositions `read_exact_buf` and `read_exact_buf_at`) - #160384 (Add PR body notes for Cargo lock file maintenance) - #160412 (Move duplicate-names check for #[rustc_must_implement_one_of] to attribute parser) - #160427 (Run try builds on EC2 by default) - #160435 (bump tracing-tree) - #160449 (Fix lookup of object files) - #160477 (Update the tracking issue for `borrowed_buf_init`)
WhySoBad
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Rollup of 29 pull requests Successful merges: - rust-lang/rust#153749 (Account for ownership mismatch on argument that doesn't meet bound) - rust-lang/rust#159130 (a bit optimize four-digit chunks in integer formatting) - rust-lang/rust#159326 (Deny multiple EII impls on a single item) - rust-lang/rust#159535 (Optimize slice::contains for bytewise types) - rust-lang/rust#159595 (Promote loongarch32-unknown-none* to Tier 2) - rust-lang/rust#160184 (Add -Zinstrument-mcount={fentry-nop-record,fentry-record}) - rust-lang/rust#160320 (point at trait definition when it is used as a derive macro) - rust-lang/rust#160369 (When suggesting method names, prefer *exact* doc aliases over similar names) - rust-lang/rust#160406 (`DepKind` cleanups) - rust-lang/rust#160424 (Use `thread::available_parallelism` as the default limit for backend parallelism) - rust-lang/rust#160434 (Avoid Docker push when the image did not change) - rust-lang/rust#159303 (Fix ICE for direct inline const generic defaults) - rust-lang/rust#159977 (Add regression test for bool indexing codegen) - rust-lang/rust#160011 (remove InterpError::map_err_info) - rust-lang/rust#160165 (reject `...` without pattern post-expansion) - rust-lang/rust#160172 (tests: Enable `feature(stmt_expr_attributes)` in `2229_closure_analysis` tests) - rust-lang/rust#160295 (Fix rustdoc ICE when checking if a generic arg can be elided) - rust-lang/rust#160305 (Linkify C-SKY targets in `platform-support.md`) - rust-lang/rust#160314 (fix borrowck ICE for consts with fn pointer type) - rust-lang/rust#160322 (ElaborateBoxDeref: remove unnecessary projection) - rust-lang/rust#160338 (Add regression test for supertrait associated type normalization through dyn) - rust-lang/rust#160340 (Add regression test for unused_parens on contract clauses) - rust-lang/rust#160371 (Add doc aliases for transpositions `read_exact_buf` and `read_exact_buf_at`) - rust-lang/rust#160384 (Add PR body notes for Cargo lock file maintenance) - rust-lang/rust#160412 (Move duplicate-names check for #[rustc_must_implement_one_of] to attribute parser) - rust-lang/rust#160427 (Run try builds on EC2 by default) - rust-lang/rust#160435 (bump tracing-tree) - rust-lang/rust#160449 (Fix lookup of object files) - rust-lang/rust#160477 (Update the tracking issue for `borrowed_buf_init`)
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r? @oli-obk