1 files changed, 12 insertions, 0 deletions
diff --git a/tests/ui/parser/doc-comment-parsing.rs b/tests/ui/parser/doc-comment-parsing.rs
new file mode 100644
index 00000000000..00f6b0e09a8
--- /dev/null
+++ b/tests/ui/parser/doc-comment-parsing.rs
@@ -0,0 +1,12 @@
+//! Regression test for https://github.com/rust-lang/rust/issues/10638
+
+//@ run-pass
+
+pub fn main() {
+    //// I am not a doc comment!
+    ////////////////// still not a doc comment
+    /////**** nope, me neither */
+    /*** And neither am I! */
+    5;
+    /*****! certainly not I */
+}