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authorbors <bors@rust-lang.org>2022-01-16 17:22:57 +0000
committerbors <bors@rust-lang.org>2022-01-16 17:22:57 +0000
commitbd3cb52565faab2755ff1bdb54d88bc91f47b4b9 (patch)
tree62cae2960feaabe7d5bd0362032102cd48621b3d /compiler/rustc_feature/src/builtin_attrs.rs
parent48e89b00caa94829a5f07e0f1ecb33bf37431244 (diff)
parent2b6b49e1d7f1d818b48dbbca11c49f672e25e6ca (diff)
downloadrust-bd3cb52565faab2755ff1bdb54d88bc91f47b4b9.tar.gz
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Auto merge of #92970 - matthiaskrgr:rollup-tcx7cfb, r=matthiaskrgr
Rollup of 10 pull requests

Successful merges:

 - #92487 (Fix unclosed boxes in pretty printing of TraitAlias)
 - #92581 (ARMv6K Horizon - Enable default libraries)
 - #92619 (Add diagnostic items for macros)
 - #92635 (rustdoc: Yet more intra-doc links cleanup)
 - #92646 (feat: rustc_pass_by_value lint attribute)
 - #92706 (Clarify explicitly that BTree{Map,Set} are ordered.)
 - #92710 (Include Projections when elaborating TypeOutlives)
 - #92746 (Parse `Ty?` as `Option<Ty>` and provide structured suggestion)
 - #92792 (rustdoc: fix intra-link for generic trait impls)
 - #92814 (remove unused FIXME)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
Diffstat (limited to 'compiler/rustc_feature/src/builtin_attrs.rs')
-rw-r--r--compiler/rustc_feature/src/builtin_attrs.rs5
1 files changed, 5 insertions, 0 deletions
diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs
index f25b2d8f566..46817bc9c3f 100644
--- a/compiler/rustc_feature/src/builtin_attrs.rs
+++ b/compiler/rustc_feature/src/builtin_attrs.rs
@@ -623,6 +623,11 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
         lang, Normal, template!(NameValueStr: "name"), DuplicatesOk, lang_items,
         "language items are subject to change",
     ),
+    rustc_attr!(
+        rustc_pass_by_value, Normal,
+        template!(Word), WarnFollowing,
+        "#[rustc_pass_by_value] is used to mark types that must be passed by value instead of reference."
+    ),
     BuiltinAttribute {
         name: sym::rustc_diagnostic_item,
         type_: Normal,