rustdoc: filter '_ lifetimes from ty::PolyTraitRef

Fixes #98697

2 files changed, 22 insertions, 0 deletions

diff --git a/src/test/rustdoc/auxiliary/issue-98697-reexport-with-anonymous-lifetime.rs b/src/test/rustdoc/auxiliary/issue-98697-reexport-with-anonymous-lifetime.rs
new file mode 100644
index 00000000000..22cbeae7266
--- /dev/null
+++ b/src/test/rustdoc/auxiliary/issue-98697-reexport-with-anonymous-lifetime.rs
@@ -0,0 +1,9 @@
+/// When reexporting this function, make sure the anonymous lifetimes are not rendered.
+///
+/// https://github.com/rust-lang/rust/issues/98697
+pub fn repro<F>()
+where
+    F: Fn(&str),
+{
+    unimplemented!()
+}
diff --git a/src/test/rustdoc/issue-98697.rs b/src/test/rustdoc/issue-98697.rs
new file mode 100644
index 00000000000..25ab55acd77
--- /dev/null
+++ b/src/test/rustdoc/issue-98697.rs
@@ -0,0 +1,13 @@
+// aux-build:issue-98697-reexport-with-anonymous-lifetime.rs
+// ignore-cross-compile
+
+// When reexporting a function with a HRTB with anonymous lifetimes,
+// make sure the anonymous lifetimes are not rendered.
+//
+// https://github.com/rust-lang/rust/issues/98697
+
+extern crate issue_98697_reexport_with_anonymous_lifetime;
+
+// @has issue_98697/fn.repro.html '//pre[@class="rust fn"]/code' 'fn repro<F>() where F: Fn(&str)'
+// @!has issue_98697/fn.repro.html '//pre[@class="rust fn"]/code' 'for<'
+pub use issue_98697_reexport_with_anonymous_lifetime::repro;