Rollup merge of #105200 - cjgillot:issue-104562, r=compiler-errors

Remove useless filter in unused extern crate check.

Fixes https://github.com/rust-lang/rust/issues/104562

2 files changed, 22 insertions, 0 deletions

diff --git a/src/test/ui/attributes/unused-item-in-attr.rs b/src/test/ui/attributes/unused-item-in-attr.rs
new file mode 100644
index 00000000000..70dcd5413f1
--- /dev/null
+++ b/src/test/ui/attributes/unused-item-in-attr.rs
@@ -0,0 +1,6 @@
+#[w = { extern crate alloc; }]
+//~^ ERROR unexpected expression: `{
+//~| ERROR cannot find attribute `w` in this scope
+fn f() {}
+
+fn main() {}
diff --git a/src/test/ui/attributes/unused-item-in-attr.stderr b/src/test/ui/attributes/unused-item-in-attr.stderr
new file mode 100644
index 00000000000..92a8f585821
--- /dev/null
+++ b/src/test/ui/attributes/unused-item-in-attr.stderr
@@ -0,0 +1,16 @@
+error: unexpected expression: `{
+           extern crate alloc;
+       }`
+  --> $DIR/unused-item-in-attr.rs:1:7
+   |
+LL | #[w = { extern crate alloc; }]
+   |       ^^^^^^^^^^^^^^^^^^^^^^^
+
+error: cannot find attribute `w` in this scope
+  --> $DIR/unused-item-in-attr.rs:1:3
+   |
+LL | #[w = { extern crate alloc; }]
+   |   ^
+
+error: aborting due to 2 previous errors
+