Extra diagnostics in the hope that we can track down the problem with

the nightlies. I must remember to take it all out again when we do!

[originally from svn r1095]

tree234.c

@@ -39,7 +39,8 @@
 #ifdef TEST
 #define LOG(x) (printf x)
 #else
-#define LOG(x)
+// FIXME
+#define LOG(x) (dprintf x)
 #endif
 
 typedef struct node234_Tag node234;