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/* { dg-do compile } */

/* { dg-options "-O1 -fdump-tree-dom2" } */

typedef unsigned int cppchar_t;

cppchar_t

cpp_parse_escape (pstr, limit, wide)

     const unsigned char **pstr;

     const unsigned char *limit;

     int wide;

{

  cppchar_t i = 0;

  int overflow = 0;

  cppchar_t mask = ~0;

   while (*pstr < limit)

     {

       overflow |= i ^ (i << 4 >> 4);

       i = oof ();

     }

   if (overflow |  (i != (i & mask)))

     foo();

}

/* There should be precisely three IF statements.  If there is

   more than two, then the dominator optimizations failed.  */

/* { dg-final { scan-tree-dump-times "if " 3 "dom2"} } */

/* { dg-final { cleanup-tree-dump "dom2" } } */