This patch (dropping an obsolete extra parameter to grow_stack) landed post
2.2.7 and we're not likely to ever see a 2.2.8, as development has moved
on to 3.x now.

https://bugs.gentoo.org/747049
https://www.mail-archive.com/guile-devel@gnu.org/msg15502.html
--- a/libguile/continuations.c
+++ b/libguile/continuations.c
@@ -302,7 +302,7 @@
 
 #if SCM_STACK_GROWS_UP
   if (dst + continuation->num_stack_items >= &stack_top_element)
-    grow_stack (cont, mra);
+    grow_stack (cont);
 #else
   dst -= continuation->num_stack_items;
   if (dst <= &stack_top_element)