1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-optimized -ftree-vectorize" } */
       3  
       4  #include "reassoc-46.h"
       5  
       6  /* Check that the loop accumulator is added last.  */
       7  /* { dg-final { scan-tree-dump-times {(?:vect_)?sum_[\d._]+ = (?:(?:vect_)?_[\d._]+ \+ (?:vect_)?sum_[\d._]+|(?:vect_)?sum_[\d._]+ \+ (?:vect_)?_[\d._]+)} 1 "optimized" } } */