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-rw-r--r--src/test/rustdoc/issue-55321.rs18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/rustdoc/issue-55321.rs b/src/test/rustdoc/issue-55321.rs
new file mode 100644
index 000000000..ee2420d86
--- /dev/null
+++ b/src/test/rustdoc/issue-55321.rs
@@ -0,0 +1,18 @@
+#![feature(negative_impls)]
+
+// @has issue_55321/struct.A.html
+// @has - '//*[@id="trait-implementations-list"]//*[@class="impl has-srclink"]//h3[@class="code-header in-band"]' \
+// "impl !Send for A"
+// @has - '//*[@id="trait-implementations-list"]//*[@class="impl has-srclink"]//h3[@class="code-header in-band"]' \
+// "impl !Sync for A"
+pub struct A();
+
+impl !Send for A {}
+impl !Sync for A {}
+
+// @has issue_55321/struct.B.html
+// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//h3[@class="code-header in-band"]' \
+// "impl<T> !Send for B<T>"
+// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//h3[@class="code-header in-band"]' \
+// "impl<T> !Sync for B<T>"
+pub struct B<T: ?Sized>(A, Box<T>);