1 files changed, 18 insertions, 0 deletions
diff --git a/ext/XS-APItest/XSUB-undef-XS_VERSION.xs b/ext/XS-APItest/XSUB-undef-XS_VERSION.xs
new file mode 100644
index 0000000000..9fdf4d4436
--- /dev/null
+++ b/ext/XS-APItest/XSUB-undef-XS_VERSION.xs
@@ -0,0 +1,18 @@
+#include "EXTERN.h"
+#include "perl.h"
+
+/* We have to be in a different .xs so that we can do this:  */
+
+#undef XS_VERSION
+#include "XSUB.h"
+
+/* This can't be "MODULE = XS::APItest" as then we get duplicate bootstraps.  */
+MODULE = XS::APItest::XSUB	PACKAGE = XS::APItest::XSUB
+
+PROTOTYPES: DISABLE
+
+void
+XS_VERSION_undef(...)
+    PPCODE:
+        XS_VERSION_BOOTCHECK;
+        XSRETURN_EMPTY;