fix error for unsized packed struct field #53342
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r? @cramertj (rust_highfive has picked a reviewer for you, use r? to override) |
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@bors r+ rollup |
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📌 Commit 6bac715dc3935e1932321e85dd2bef60ed0929d8 has been approved by |
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@bors r- Merge conflict |
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I rebased. Strangely, UI tests are now failing somewhere that should not be affected by my patch. The diff created by --- a/src/test/ui/macros/macros-nonfatal-errors.stderr
+++ b/src/test/ui/macros/macros-nonfatal-errors.stderr
@@ -1,4 +1,4 @@
-error[E0665]: `Default` cannot be derived for enums, only structs
+error: `Default` cannot be derived for enums, only structs
--> $DIR/macros-nonfatal-errors.rs:20:10
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LL | #[derive(Default)] //~ ERROR
@@ -96,5 +96,4 @@ LL | trace_macros!(invalid); //~ ERROR
error: aborting due to 15 previous errors
-Some errors occurred: E0658, E0665.
-For more information about an error, try `rustc --explain E0658`.
+For more information about this error, try `rustc --explain E0658`. |
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📌 Commit 2fd2f9c has been approved by |
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GuillaumeGomez
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Aug 15, 2018
fix error for unsized packed struct field It was really confusing to be told "only the last field of a struct may have a dynamically sized type" when only the last field *was* unsized.
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Rollup of 8 pull requests Successful merges: - #52453 (improve diagnostics for tests with custom return values) - #53271 (use ? to simplify `TransitiveRelation.maybe_map`) - #53279 (Extend documentation of `rustc_on_unimplemented`) - #53342 (fix error for unsized packed struct field) - #53344 (Add doc examples for std::alloc::{alloc,alloc_zeroed}.) - #53368 (Ignore test that fails on stage1) - #53388 (Fix links' color) - #53396 (Fix since of Iterator::flatten to be a proper semver) Failed merges: r? @ghost
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It was really confusing to be told "only the last field of a struct may have a dynamically sized type" when only the last field was unsized.