1 files changed, 21 insertions, 0 deletions
diff --git a/tests/rustdoc/blanket-impl-29503.rs b/tests/rustdoc/blanket-impl-29503.rs
new file mode 100644
index 000000000..d6a132e1c
--- /dev/null
+++ b/tests/rustdoc/blanket-impl-29503.rs
@@ -0,0 +1,21 @@
+// https://github.com/rust-lang/rust/issues/29503
+#![crate_name="issue_29503"]
+
+use std::fmt;
+
+// @has issue_29503/trait.MyTrait.html
+pub trait MyTrait {
+    fn my_string(&self) -> String;
+}
+
+// @has - "//div[@id='implementors-list']//*[@id='impl-MyTrait-for-T']//h3[@class='code-header']" "impl<T> MyTrait for Twhere T: Debug"
+impl<T> MyTrait for T
+where
+    T: fmt::Debug,
+{
+    fn my_string(&self) -> String {
+        format!("{:?}", self)
+    }
+}
+
+pub fn main() {}