diff --git a/test/427-bounds/info.txt b/test/427-bounds/info.txt
new file mode 100644
index 0000000..8b8b957
--- /dev/null
+++ b/test/427-bounds/info.txt
@@ -0,0 +1,2 @@
+Regression test for the optimizing compiler that used to incorrectly pass
+index and/or length to the pThrowArrayBounds entrypoint.