rustc: Fix two custom attributes with custom derive #52539
Merged
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This commit fixes an issue where multiple custom attributes could not be fed into a custom derive in some situations with the `use_extern_macros` feature enabled. The problem was that the macro expander didn't consider that it was making progress when we were deducing that attributes should be lumped in with custom derive invocations. The fix applied here was to track in the expander if our attribute is changing (getting stashed away elsewhere and replaced with a new invocation). If it is swapped then it's considered progress, otherwise behavior should remain the same. Closes rust-lang#52525
|
(rust_highfive has picked a reviewer for you, use r? to override) |
rust-highfive
added
the
S-waiting-on-review
|
@bors r+ |
|
📌 Commit f2f7ab9 has been approved by |
bors
added
S-waiting-on-bors
kennytm
added a commit
to kennytm/rust
that referenced
this pull request
Jul 20, 2018
rustc: Fix two custom attributes with custom derive This commit fixes an issue where multiple custom attributes could not be fed into a custom derive in some situations with the `use_extern_macros` feature enabled. The problem was that the macro expander didn't consider that it was making progress when we were deducing that attributes should be lumped in with custom derive invocations. The fix applied here was to track in the expander if our attribute is changing (getting stashed away elsewhere and replaced with a new invocation). If it is swapped then it's considered progress, otherwise behavior should remain the same. Closes rust-lang#52525
bors
added a commit
that referenced
this pull request
Jul 20, 2018
Rollup of 7 pull requests Successful merges: - #52502 (fix unsafety: don't call ptr_rotate for ZST) - #52505 (rustc: Remove a workaround in ThinLTO fixed upstream) - #52526 (Enable run-pass/sepcomp-lib-lto.rs on Android) - #52527 (Remove duplicate E0396 tests) - #52539 (rustc: Fix two custom attributes with custom derive) - #52540 (Fix docker/run.sh script when run locally) - #52573 (Cleanups) Failed merges: r? @ghost
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This commit fixes an issue where multiple custom attributes could not be fed
into a custom derive in some situations with the
use_extern_macrosfeatureenabled. The problem was that the macro expander didn't consider that it was
making progress when we were deducing that attributes should be lumped in with
custom derive invocations.
The fix applied here was to track in the expander if our attribute is changing
(getting stashed away elsewhere and replaced with a new invocation). If it is
swapped then it's considered progress, otherwise behavior should remain the
same.
Closes #52525