diff --git a/src/runtime/debug/debug.go b/src/runtime/debug/debug.go
index d6fa034a..625d8bbe 100644
--- a/src/runtime/debug/debug.go
+++ b/src/runtime/debug/debug.go
@@ -1,2 +1,10 @@
 // Package debug is a dummy package that is not yet implemented.
 package debug
+
+// SetMaxStack sets the maximum amount of memory that can be used by a single
+// goroutine stack.
+//
+// Not implemented.
+func SetMaxStack(n int) int {
+	return n
+}