用于进行gcc测试

				/* { dg-do compile } */				/* { dg-options "-O2 -fdump-tree-dse1" } */								int foo11 (int c)				{				  static int local1, local2;				  local1 = 0;				  local2 += c;				  local1 = 2;				  local2++;				  return local1 + local2;				}								/* There should only be one assignment to local1 and local2.  */				/* { dg-final { scan-tree-dump-times "local1 = " 1 "dse1"} } */				/* { dg-final { scan-tree-dump-times "local2 = " 1 "dse1"} } */								/* { dg-final { cleanup-tree-dump "dse1" } } */