From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:03 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/ui/proc-macro/proc-macro-attributes.stderr | 130 +++++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 tests/ui/proc-macro/proc-macro-attributes.stderr

(limited to 'tests/ui/proc-macro/proc-macro-attributes.stderr')

diff --git a/tests/ui/proc-macro/proc-macro-attributes.stderr b/tests/ui/proc-macro/proc-macro-attributes.stderr
new file mode 100644
index 000000000..140d87906
--- /dev/null
+++ b/tests/ui/proc-macro/proc-macro-attributes.stderr
@@ -0,0 +1,130 @@
+error: cannot find attribute `C` in this scope
+  --> $DIR/proc-macro-attributes.rs:9:3
+   |
+LL | #[C]
+   |   ^ help: a derive helper attribute with a similar name exists: `B`
+
+error[E0659]: `B` is ambiguous
+  --> $DIR/proc-macro-attributes.rs:6:3
+   |
+LL | #[B]
+   |   ^ ambiguous name
+   |
+   = note: ambiguous because of a name conflict with a derive helper attribute
+note: `B` could refer to the derive helper attribute defined here
+  --> $DIR/proc-macro-attributes.rs:19:10
+   |
+LL | #[derive(B)]
+   |          ^
+note: `B` could also refer to the derive macro imported here
+  --> $DIR/proc-macro-attributes.rs:3:1
+   |
+LL | #[macro_use]
+   | ^^^^^^^^^^^^
+
+error[E0659]: `B` is ambiguous
+  --> $DIR/proc-macro-attributes.rs:10:3
+   |
+LL | #[B(D)]
+   |   ^ ambiguous name
+   |
+   = note: ambiguous because of a name conflict with a derive helper attribute
+note: `B` could refer to the derive helper attribute defined here
+  --> $DIR/proc-macro-attributes.rs:19:10
+   |
+LL | #[derive(B)]
+   |          ^
+note: `B` could also refer to the derive macro imported here
+  --> $DIR/proc-macro-attributes.rs:3:1
+   |
+LL | #[macro_use]
+   | ^^^^^^^^^^^^
+
+error[E0659]: `B` is ambiguous
+  --> $DIR/proc-macro-attributes.rs:13:3
+   |
+LL | #[B(E = "foo")]
+   |   ^ ambiguous name
+   |
+   = note: ambiguous because of a name conflict with a derive helper attribute
+note: `B` could refer to the derive helper attribute defined here
+  --> $DIR/proc-macro-attributes.rs:19:10
+   |
+LL | #[derive(B)]
+   |          ^
+note: `B` could also refer to the derive macro imported here
+  --> $DIR/proc-macro-attributes.rs:3:1
+   |
+LL | #[macro_use]
+   | ^^^^^^^^^^^^
+
+error[E0659]: `B` is ambiguous
+  --> $DIR/proc-macro-attributes.rs:16:3
+   |
+LL | #[B(arbitrary tokens)]
+   |   ^ ambiguous name
+   |
+   = note: ambiguous because of a name conflict with a derive helper attribute
+note: `B` could refer to the derive helper attribute defined here
+  --> $DIR/proc-macro-attributes.rs:19:10
+   |
+LL | #[derive(B)]
+   |          ^
+note: `B` could also refer to the derive macro imported here
+  --> $DIR/proc-macro-attributes.rs:3:1
+   |
+LL | #[macro_use]
+   | ^^^^^^^^^^^^
+
+warning: derive helper attribute is used before it is introduced
+  --> $DIR/proc-macro-attributes.rs:6:3
+   |
+LL | #[B]
+   |   ^
+...
+LL | #[derive(B)]
+   |          - the attribute is introduced here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
+   = note: `#[warn(legacy_derive_helpers)]` on by default
+
+warning: derive helper attribute is used before it is introduced
+  --> $DIR/proc-macro-attributes.rs:10:3
+   |
+LL | #[B(D)]
+   |   ^
+...
+LL | #[derive(B)]
+   |          - the attribute is introduced here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
+
+warning: derive helper attribute is used before it is introduced
+  --> $DIR/proc-macro-attributes.rs:13:3
+   |
+LL | #[B(E = "foo")]
+   |   ^
+...
+LL | #[derive(B)]
+   |          - the attribute is introduced here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
+
+warning: derive helper attribute is used before it is introduced
+  --> $DIR/proc-macro-attributes.rs:16:3
+   |
+LL | #[B(arbitrary tokens)]
+   |   ^
+...
+LL | #[derive(B)]
+   |          - the attribute is introduced here
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
+
+error: aborting due to 5 previous errors; 4 warnings emitted
+
+For more information about this error, try `rustc --explain E0659`.
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