1  /* Test operation of -Wparentheses.  Precedence warnings.  & or ^ or +
       2     or - or comparison inside |.  */
       3  /* Origin: Joseph Myers <jsm@polyomino.org.uk> */
       4  
       5  /* { dg-do compile } */
       6  /* { dg-options "-Wparentheses" } */
       7  
       8  int foo (int);
       9  
      10  int
      11  bar (int a, int b, int c)
      12  {
      13    foo (a & b | c); /* { dg-warning "parentheses" "correct warning" } */
      14    foo ((a & b) | c);
      15    foo (a & (b | c));
      16    foo (1 & 2 | c); /* { dg-warning "parentheses" "correct warning" } */
      17    foo ((1 & 2) | c);
      18    foo (1 & (2 | c));
      19    foo (1 & 2 | 3); /* { dg-warning "parentheses" "correct warning" } */
      20    foo ((1 & 2) | 3);
      21    foo (1 & (2 | 3));
      22    foo (a | b & c); /* { dg-warning "parentheses" "correct warning" } */
      23    foo ((a | b) & c);
      24    foo (a | (b & c));
      25    foo (1 | 2 & c); /* { dg-warning "parentheses" "correct warning" } */
      26    foo ((1 | 2) & c);
      27    foo (1 | (2 & c));
      28    foo (1 | 2 & 3); /* { dg-warning "parentheses" "correct warning" } */
      29    foo ((1 | 2) & 3);
      30    foo (1 | (2 & 3));
      31    foo (a ^ b | c); /* { dg-warning "parentheses" "correct warning" } */
      32    foo ((a ^ b) | c);
      33    foo (a ^ (b | c));
      34    foo (1 ^ 2 | c); /* { dg-warning "parentheses" "correct warning" } */
      35    foo ((1 ^ 2) | c);
      36    foo (1 ^ (2 | c));
      37    foo (1 ^ 2 | 3); /* { dg-warning "parentheses" "correct warning" } */
      38    foo ((1 ^ 2) | 3);
      39    foo (1 ^ (2 | 3));
      40    foo (a | b ^ c); /* { dg-warning "parentheses" "correct warning" } */
      41    foo ((a | b) ^ c);
      42    foo (a | (b ^ c));
      43    foo (1 | 2 ^ c); /* { dg-warning "parentheses" "correct warning" } */
      44    foo ((1 | 2) ^ c);
      45    foo (1 | (2 ^ c));
      46    foo (1 | 0x2 ^ 3); /* { dg-warning "parentheses" "correct warning" } */
      47    foo ((1 | 2) ^ 3);
      48    foo (1 | (0x2 ^ 3));
      49    foo (a + b | c); /* { dg-warning "parentheses" "correct warning" } */
      50    foo ((a + b) | c);
      51    foo (a + (b | c));
      52    foo (1 + 2 | c); /* { dg-warning "parentheses" "correct warning" } */
      53    foo ((1 + 2) | c);
      54    foo (1 + (2 | c));
      55    foo (1 + 2 | 3); /* { dg-warning "parentheses" "correct warning" } */
      56    foo ((1 + 2) | 3);
      57    foo (1 + (2 | 3));
      58    foo (a | b + c); /* { dg-warning "parentheses" "correct warning" } */
      59    foo ((a | b) + c);
      60    foo (a | (b + c));
      61    foo (1 | 2 + c); /* { dg-warning "parentheses" "correct warning" } */
      62    foo ((1 | 2) + c);
      63    foo (1 | (2 + c));
      64    foo (1 | 2 + 3); /* { dg-warning "parentheses" "correct warning" } */
      65    foo ((1 | 2) + 3);
      66    foo (1 | (2 + 3));
      67    foo (a - b | c); /* { dg-warning "parentheses" "correct warning" } */
      68    foo ((a - b) | c);
      69    foo (a - (b | c));
      70    foo (1 - 2 | c); /* { dg-warning "parentheses" "correct warning" } */
      71    foo ((1 - 2) | c);
      72    foo (1 - (2 | c));
      73    foo (1 - 2 | 3); /* { dg-warning "parentheses" "correct warning" } */
      74    foo ((1 - 2) | 3);
      75    foo (1 - (2 | 3));
      76    foo (a | b - c); /* { dg-warning "parentheses" "correct warning" } */
      77    foo ((a | b) - c);
      78    foo (a | (b - c));
      79    foo (1 | 2 - c); /* { dg-warning "parentheses" "correct warning" } */
      80    foo ((1 | 2) - c);
      81    foo (1 | (2 - c));
      82    foo (1 | 2 - 3); /* { dg-warning "parentheses" "correct warning" } */
      83    foo ((1 | 2) - 3);
      84    foo (1 | (2 - 3));
      85    foo (a > b | c); /* { dg-warning "parentheses" "correct warning" } */
      86    foo ((a > b) | c);
      87    foo (a > (b | c));
      88    foo (1 > 2 | c); /* { dg-warning "parentheses" "correct warning" } */
      89    foo ((1 > 2) | c);
      90    foo (1 > (2 | c));
      91    foo (1 > 2 | 3); /* { dg-warning "parentheses" "correct warning" } */
      92    foo ((1 > 2) | 3);
      93    foo (1 > (2 | 3));
      94    foo (a | b > c); /* { dg-warning "parentheses" "correct warning" } */
      95    foo ((a | b) > c);
      96    foo (a | (b > c));
      97    foo (1 | 2 > c); /* { dg-warning "parentheses" "correct warning" } */
      98    foo ((1 | 2) > c);
      99    foo (1 | (2 > c));
     100    foo (1 | 2 > 3); /* { dg-warning "parentheses" "correct warning" } */
     101    foo ((1 | 2) > 3);
     102    foo (1 | (2 > 3));
     103    foo (a <= b | c); /* { dg-warning "parentheses" "correct warning" } */
     104    foo ((a <= b) | c);
     105    foo (a <= (b | c));
     106    foo (1 <= 2 | c); /* { dg-warning "parentheses" "correct warning" } */
     107    foo ((1 <= 2) | c);
     108    foo (1 <= (2 | c));
     109    foo (1 <= 2 | 3); /* { dg-warning "parentheses" "correct warning" } */
     110    foo ((1 <= 2) | 3);
     111    foo (1 <= (2 | 3));
     112    foo (a | b <= c); /* { dg-warning "parentheses" "correct warning" } */
     113    foo ((a | b) <= c);
     114    foo (a | (b <= c));
     115    foo (1 | 2 <= c); /* { dg-warning "parentheses" "correct warning" } */
     116    foo ((1 | 2) <= c);
     117    foo (1 | (2 <= c));
     118    foo (1 | 2 <= 3); /* { dg-warning "parentheses" "correct warning" } */
     119    foo ((1 | 2) <= 3);
     120    foo (1 | (2 <= 3));
     121  }