Fix crash in optimizer profiling.

theano/gof/opt.py

@@ -1822,7 +1822,7 @@ class EquilibriumOptimizer(NavigatorOptimizer):
         loop_timing = merge_list(prof1[1], prof2[1])
 
         loop_process_count = list(prof1[2])
-        for i in range(len(loop_process_count)):
+        for i in range(min(len(loop_process_count), len(prof2[2]))):
             process_count = loop_process_count[i]
             for process, count in prof2[2][i].iteritems():
                 if process in process_count: