De-duplicate edges #7993
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De-duplicate edges #7993
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r? @ehuss (rust_highfive has picked a reviewer for you, use r? to override) |
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Thanks! I'm not too familiar with what the possible consequences are, but I did some tests and I didn't see any differences. It seems relatively straightforward to me. |
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📌 Commit bd4ae6e has been approved by |
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☀️ Test successful - checks-azure |
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Mar 18, 2020
Update cargo Update cargo 21 commits in bda50510d1daf6e9c53ad6ccf603da6e0fa8103f..7019b3ed3d539db7429d10a343b69be8c426b576 2020-03-02 18:05:34 +0000 to 2020-03-17 21:02:00 +0000 - Run through clippy (rust-lang/cargo#8015) - Fix config profiles using "dev" in `cargo test`. (rust-lang/cargo#8012) - Run CI on all PRs. (rust-lang/cargo#8011) - Add unit-graph JSON output. (rust-lang/cargo#7977) - Split workspace/validate() into multiple functions (rust-lang/cargo#8008) - Use Option::as_deref (rust-lang/cargo#8005) - De-duplicate edges (rust-lang/cargo#7993) - Revert "Disable preserving mtimes on archives" (rust-lang/cargo#7935) - Close the front door for clippy but open the back (rust-lang/cargo#7533) - Fix CHANGELOG.md typos (rust-lang/cargo#7999) - Update changelog note about crate-versions flag. (rust-lang/cargo#7998) - Bump to 0.45.0, update changelog (rust-lang/cargo#7997) - Bump libgit2 dependencies (rust-lang/cargo#7996) - Avoid buffering large amounts of rustc output. (rust-lang/cargo#7838) - Add "Updating" status for git submodules. (rust-lang/cargo#7989) - WorkspaceResolve: Use descriptive lifetime label. (rust-lang/cargo#7990) - Support old html anchors in manifest chapter. (rust-lang/cargo#7983) - Don't create hardlink for library test and integrations tests, fixing rust-lang/cargo#7960 (rust-lang/cargo#7965) - Partially revert change to filter debug_assertions. (rust-lang/cargo#7970) - Try to better handle restricted crate names. (rust-lang/cargo#7959) - Fix bug with new feature resolver and required-features. (rust-lang/cargo#7962)
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This is a quick fix for #7985. It is possible to have more than one dependency that connects two packages, if one is a dev and one a regular. The code has use a
Vecto represent that potential multiplicity. This switches it to aHashSetto fix #7985. But if there is only a handful of ways we can have more than one then perhaps we can do something with less indirection/allocations.Note that #7168 (which was already abandoned) will need to be redesigned for whatever we do for this.