Lock stable_crate_ids once in create_crate_num#155273
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rust-bors[bot] merged 1 commit intorust-lang:mainfrom Apr 28, 2026
Merged
Lock stable_crate_ids once in create_crate_num#155273rust-bors[bot] merged 1 commit intorust-lang:mainfrom
rust-bors[bot] merged 1 commit intorust-lang:mainfrom
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r? @jieyouxu rustbot has assigned @jieyouxu. Use Why was this reviewer chosen?The reviewer was selected based on:
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This would take a write lock even when the crate already exists. The old code is racy though. |
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I thought using upgradable lock is too much to optimize the error path. |
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@rustbot reroll |
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Doing a check with a read lock first and then taking a write lock and checking again is an option. If that is worth it, is another question. |
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Not worth it I think. |
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nno, I think this is fine like this. @bors r+ rollup |
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jhpratt
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Apr 28, 2026
… r=jdonszelmann Lock stable_crate_ids once in create_crate_num This is a small refactor PR removing redundant locks of `stable_crate_ids` from `create_crate_num`.
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Rollup of 5 pull requests Successful merges: - #154325 (Tweak irrefutable let else warning output) - #155273 (Lock stable_crate_ids once in create_crate_num) - #155692 (disable naked-dead-code-elimination test if no RET mnemonic is available) - #155747 (Update documentation for `wasm32-wali-linux-musl` after integrating n…) - #155907 (Handle hkl const closures)
JonathanBrouwer
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Apr 28, 2026
… r=jdonszelmann Lock stable_crate_ids once in create_crate_num This is a small refactor PR removing redundant locks of `stable_crate_ids` from `create_crate_num`.
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…uwer Rollup of 12 pull requests Successful merges: - #151994 (switch to v0 mangling by default on stable) - #154325 (Tweak irrefutable let else warning output) - #155899 (`dlltool`: Set the working directory to workaround `--temp-prefix` bug) - #155273 (Lock stable_crate_ids once in create_crate_num) - #155361 (Document that CFI diverges from Rust wrt. ABI-compatibility rules) - #155692 (disable naked-dead-code-elimination test if no RET mnemonic is available) - #155747 (Update documentation for `wasm32-wali-linux-musl` after integrating n…) - #155768 (compiletest: Overhaul the code for running an incremental test revision) - #155907 (Handle hkl const closures) - #155910 (misc stuff from reading borrowck again :)) - #155913 (Delete the 12 year old fixme) - #155920 (remove review queue triagebot mentions)
JonathanBrouwer
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Apr 28, 2026
… r=jdonszelmann Lock stable_crate_ids once in create_crate_num This is a small refactor PR removing redundant locks of `stable_crate_ids` from `create_crate_num`.
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…uwer Rollup of 14 pull requests Successful merges: - #155850 (Only exclude the #155473 change for 1-byte bool-likes) - #155923 (Subtree sync for rustc_codegen_cranelift) - #151994 (switch to v0 mangling by default on stable) - #154325 (Tweak irrefutable let else warning output) - #155899 (`dlltool`: Set the working directory to workaround `--temp-prefix` bug) - #155273 (Lock stable_crate_ids once in create_crate_num) - #155361 (Document that CFI diverges from Rust wrt. ABI-compatibility rules) - #155692 (disable naked-dead-code-elimination test if no RET mnemonic is available) - #155747 (Update documentation for `wasm32-wali-linux-musl` after integrating n…) - #155768 (compiletest: Overhaul the code for running an incremental test revision) - #155907 (Handle hkl const closures) - #155910 (misc stuff from reading borrowck again :)) - #155913 (Delete the 12 year old fixme) - #155920 (remove review queue triagebot mentions)
rust-bors Bot
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Apr 28, 2026
…uwer Rollup of 14 pull requests Successful merges: - #155850 (Only exclude the #155473 change for 1-byte bool-likes) - #155923 (Subtree sync for rustc_codegen_cranelift) - #151994 (switch to v0 mangling by default on stable) - #154325 (Tweak irrefutable let else warning output) - #155899 (`dlltool`: Set the working directory to workaround `--temp-prefix` bug) - #155273 (Lock stable_crate_ids once in create_crate_num) - #155361 (Document that CFI diverges from Rust wrt. ABI-compatibility rules) - #155692 (disable naked-dead-code-elimination test if no RET mnemonic is available) - #155747 (Update documentation for `wasm32-wali-linux-musl` after integrating n…) - #155768 (compiletest: Overhaul the code for running an incremental test revision) - #155907 (Handle hkl const closures) - #155910 (misc stuff from reading borrowck again :)) - #155913 (Delete the 12 year old fixme) - #155920 (remove review queue triagebot mentions)
rust-bors Bot
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…uwer Rollup of 15 pull requests Successful merges: - #155923 (Subtree sync for rustc_codegen_cranelift) - #155930 (Sync from portable simd 2026 04 28) - #155850 (Only exclude the #155473 change for 1-byte bool-likes) - #151994 (switch to v0 mangling by default on stable) - #154325 (Tweak irrefutable let else warning output) - #155273 (Lock stable_crate_ids once in create_crate_num) - #155361 (Document that CFI diverges from Rust wrt. ABI-compatibility rules) - #155692 (disable naked-dead-code-elimination test if no RET mnemonic is available) - #155747 (Update documentation for `wasm32-wali-linux-musl` after integrating n…) - #155768 (compiletest: Overhaul the code for running an incremental test revision) - #155907 (Handle hkl const closures) - #155910 (misc stuff from reading borrowck again :)) - #155913 (Delete the 12 year old fixme) - #155920 (remove review queue triagebot mentions) - #155936 (Rename `SharedContext::emit_dyn_lint*` into `emit_lint*`)
rust-bors Bot
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Apr 28, 2026
…uwer Rollup of 15 pull requests Successful merges: - #155923 (Subtree sync for rustc_codegen_cranelift) - #155930 (Sync from portable simd 2026 04 28) - #155850 (Only exclude the #155473 change for 1-byte bool-likes) - #151994 (switch to v0 mangling by default on stable) - #154325 (Tweak irrefutable let else warning output) - #155273 (Lock stable_crate_ids once in create_crate_num) - #155361 (Document that CFI diverges from Rust wrt. ABI-compatibility rules) - #155692 (disable naked-dead-code-elimination test if no RET mnemonic is available) - #155747 (Update documentation for `wasm32-wali-linux-musl` after integrating n…) - #155768 (compiletest: Overhaul the code for running an incremental test revision) - #155907 (Handle hkl const closures) - #155910 (misc stuff from reading borrowck again :)) - #155913 (Delete the 12 year old fixme) - #155920 (remove review queue triagebot mentions) - #155936 (Rename `SharedContext::emit_dyn_lint*` into `emit_lint*`)
rust-timer
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Apr 28, 2026
Rollup merge of #155273 - zetanumbers:create_crate_num_lock, r=jdonszelmann Lock stable_crate_ids once in create_crate_num This is a small refactor PR removing redundant locks of `stable_crate_ids` from `create_crate_num`.
github-actions Bot
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…uwer Rollup of 15 pull requests Successful merges: - rust-lang/rust#155923 (Subtree sync for rustc_codegen_cranelift) - rust-lang/rust#155930 (Sync from portable simd 2026 04 28) - rust-lang/rust#155850 (Only exclude the rust-lang/rust#155473 change for 1-byte bool-likes) - rust-lang/rust#151994 (switch to v0 mangling by default on stable) - rust-lang/rust#154325 (Tweak irrefutable let else warning output) - rust-lang/rust#155273 (Lock stable_crate_ids once in create_crate_num) - rust-lang/rust#155361 (Document that CFI diverges from Rust wrt. ABI-compatibility rules) - rust-lang/rust#155692 (disable naked-dead-code-elimination test if no RET mnemonic is available) - rust-lang/rust#155747 (Update documentation for `wasm32-wali-linux-musl` after integrating n…) - rust-lang/rust#155768 (compiletest: Overhaul the code for running an incremental test revision) - rust-lang/rust#155907 (Handle hkl const closures) - rust-lang/rust#155910 (misc stuff from reading borrowck again :)) - rust-lang/rust#155913 (Delete the 12 year old fixme) - rust-lang/rust#155920 (remove review queue triagebot mentions) - rust-lang/rust#155936 (Rename `SharedContext::emit_dyn_lint*` into `emit_lint*`)
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This is a small refactor PR removing redundant locks of
stable_crate_idsfromcreate_crate_num.