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/* { dg-do compile } */

/* { dg-options "-O -fdump-tree-optimized" } */

int foo(int a)

{

  unsigned int b = a > 0;

  char c = b;

  _Bool d = c == 0;

  int e = !d;

  return e;

}

/* { dg-final { scan-tree-dump-times " = " 2 "optimized" } } */

/* One comparison and one extension to int.  */

/* { dg-final { scan-tree-dump " = a_..D. > 0;" "optimized" } } */

/* { dg-final { scan-tree-dump "e_. = \\\(int\\\)" "optimized" } } */

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