diff -r b602f0459f17 -r 1ecf916cc397 stage4/generate_c/generate_c.cc
--- a/stage4/generate_c/generate_c.cc	Tue Jun 12 17:15:24 2012 +0100
+++ b/stage4/generate_c/generate_c.cc	Tue Jun 12 22:32:09 2012 +0200
@@ -782,7 +782,7 @@
     /*  signed_integer DOTDOT signed_integer */
     //SYM_REF2(subrange_c, lower_limit, upper_limit)
     void *visit(subrange_c *symbol) {
-      int dimension = extract_integer_value(symbol->upper_limit) - extract_integer_value(symbol->lower_limit) + 1;
+      int dimension = extract_int64_value(symbol->upper_limit) - extract_int64_value(symbol->lower_limit) + 1;
       switch (current_mode) {
         case arrayname_im:
           current_array_name += "_";