rust-lang
diff --git a/‎collector/benchmarks/README.md
+1 b/‎collector/benchmarks/README.md
+1
diff --git a/‎collector/benchmarks/externs/Cargo.lock
+5 b/‎collector/benchmarks/externs/Cargo.lock
+5
diff --git a/‎collector/benchmarks/externs/Cargo.toml
+6 b/‎collector/benchmarks/externs/Cargo.toml
+6
@@ -109,3 +109,4 @@ programs.
 - **wf-projection-stress-65510**: A stress test which showcases [quadratic
   behavior](https://github.com/rust-lang/rust/issues/65510) (in the number of
   associated type bounds).
+- **externs**: A large amount of extern functions has caused [slowdowns in the past](https://github.com/rust-lang/rust/pull/78448).
@@ -0,0 +1,6 @@
+[package]
+name = "externs"
+version = "0.1.0"
+edition = "2018"
+
+[workspace]