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/* Test operation of -Wparentheses.  Warnings for assignments used as

   truth-values shouldn't apply other than for plain assignment.  */

/* Origin: Joseph Myers <jsm@polyomino.org.uk> */

/* { dg-do compile } */

/* { dg-options "-Wparentheses -std=gnu99" } */

int foo (int);

int a, b, c;

_Bool d;

void

bar (void)

{

  if (a += b)

    foo (0);

  if (a -= a)

    foo (1);

  if (b *= c)

    foo (2);

  else

    foo (3);

  if (b /= b)

    foo (4);

  else

    foo (5);

  while (c %= b)

    foo (6);

  while (c <<= c)

    foo (7);

  do foo (8); while (a >>= b);

  do foo (9); while (a &= a);

  for (;c ^= b;)

    foo (10);

  for (;c |= c;)

    foo (11);

  d = a += b;

  foo (12);

  d = a -= a;

  foo (13);

}