diff --git a/lexer/instantly_closed_comment.mj b/lexer/instantly_closed_comment.mj
new file mode 100644
index 0000000000000000000000000000000000000000..83d3126f392ec39d68ad38e16663f04ba54b8fb9
--- /dev/null
+++ b/lexer/instantly_closed_comment.mj
@@ -0,0 +1 @@
+/**/ 42 ident assert ==
diff --git a/lexer/instantly_closed_comment.mj.out b/lexer/instantly_closed_comment.mj.out
new file mode 100644
index 0000000000000000000000000000000000000000..7865c3d40d0fdab7c419f3e7d8d750bfc914dca2
--- /dev/null
+++ b/lexer/instantly_closed_comment.mj.out
@@ -0,0 +1,5 @@
+integer literal 42
+identifier ident
+assert
+==
+EOF