diff --git a/contrib/texinfo/makeinfo/makeinfo.c b/contrib/texinfo/makeinfo/makeinfo.c
index ef892db00305..d709db439585 100644
--- a/contrib/texinfo/makeinfo/makeinfo.c
+++ b/contrib/texinfo/makeinfo/makeinfo.c
@@ -1199,6 +1199,13 @@ xrealloc (pointer, nbytes)
   else
     temp = (void *)realloc (pointer, nbytes);
 
+  if (nbytes && temp == (void *)NULL)
+    memory_error ("xrealloc", nbytes);
+
+  return (temp);
+}
+
+
 /* If EXIT_VALUE is zero, print the full usage message to stdout.
    Otherwise, just say to use --help for more info.
    Then exit with EXIT_VALUE. */