gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20090328-1.c


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union loc {  unsigned reg; signed offset; };
void __frame_state_for (volatile char *state_in, int x)
{
  /* We should move all the loads out of this loop. Right now, we only
     move one.  It takes two insertions because we insert a cast.  */
    union loc fs;
    int reg;
    for (;;)     {
        switch (x)  {
	    case 0:
		*state_in = fs.reg;
	    case 1:
		*state_in = fs.offset;
	}
    }
}