linux下编程用 编译软件

				//  PR tree-opt/19768				// tree DSE was removing one store to LL.currentLevel				//  but forgot that since the vop was in an abnormal PHI				//  that we have to update the SSA_NAME which we propagate				//  into the abnormal PHI								// { dg-do compile }				// { dg-options "-O" }								struct LeveLogger				{				  int currentLevel;				};				extern LeveLogger LL;				struct gg				{				  ~gg ( void )				    { LL.currentLevel = 1; }				};				void f(void);				void g ( void )				{				  gg sll;				  {				    gg sll;				    f();				  }				  f();				}