Vendor things

third-party/vendor/string_cache/tests/small-stack.rs

@@ -0,0 +1,17 @@
+// Regression test for https://github.com/servo/html5ever/issues/393
+//
+// Create a dynamic atom − causing initialization of the global hash map −
+// in a thread that has a small stack.
+//
+// This is a separate test program rather than a `#[test] fn` among others
+// to make sure that nothing else has already initialized the map in this process.
+fn main() {
+    std::thread::Builder::new()
+        .stack_size(50_000)
+        .spawn(|| {
+            let _atom = string_cache::DefaultAtom::from("12345678");
+        })
+        .unwrap()
+        .join()
+        .unwrap()
+}