gcc/testsuite/g++.dg/warn/Wparentheses-7.C

   1 // { dg-do compile }
   2 // { dg-options "-Wparentheses" }
   3
   4 // C++ copy of gcc.dg/Wparentheses-4.c
   5
   6 int foo (int);
   7
   8 int
   9 bar (int a, int b, int c)
  10 {
  11   foo (a + b << c); // { dg-warning "parentheses" "correct warning" }
  12   foo ((a + b) << c);
  13   foo (a + (b << c));
  14   foo (1 + 2 << c); // { dg-warning "parentheses" "correct warning" }
  15   foo ((1 + 2) << c);
  16   foo (1 + (2 << c));
  17   foo (1 + 2 << 3); // { dg-warning "parentheses" "correct warning" }
  18   foo ((1 + 2) << 3);
  19   foo (1 + (2 << 3));
  20   foo (a << b + c); // { dg-warning "parentheses" "correct warning" }
  21   foo ((a << b) + c);
  22   foo (a << (b + c));
  23   foo (1 << 2 + c); // { dg-warning "parentheses" "correct warning" }
  24   foo ((1 << 2) + c);
  25   foo (1 << (2 + c));
  26   foo (1 << 2 + 3); // { dg-warning "parentheses" "correct warning" }
  27   foo ((1 << 2) + 3);
  28   foo (1 << (2 + 3));
  29   foo (a + b >> c); // { dg-warning "parentheses" "correct warning" }
  30   foo ((a + b) >> c);
  31   foo (a + (b >> c));
  32   foo (1 + 2 >> c); // { dg-warning "parentheses" "correct warning" }
  33   foo ((1 + 2) >> c);
  34   foo (1 + (2 >> c));
  35   foo (1 + 2 >> 3); // { dg-warning "parentheses" "correct warning" }
  36   foo ((1 + 2) >> 3);
  37   foo (1 + (2 >> 3));
  38   foo (a >> b + c); // { dg-warning "parentheses" "correct warning" }
  39   foo ((a >> b) + c);
  40   foo (a >> (b + c));
  41   foo (1 >> 2 + c); // { dg-warning "parentheses" "correct warning" }
  42   foo ((1 >> 2) + c);
  43   foo (1 >> (2 + c));
  44   foo (1 >> 2 + 3); // { dg-warning "parentheses" "correct warning" }
  45   foo ((1 >> 2) + 3);
  46   foo (1 >> (2 + 3));
  47   foo (a - b << c); // { dg-warning "parentheses" "correct warning" }
  48   foo ((a - b) << c);
  49   foo (a - (b << c));
  50   foo (6 - 5 << c); // { dg-warning "parentheses" "correct warning" }
  51   foo ((6 - 5) << c);
  52   foo (6 - (5 << c));
  53   foo (6 - 5 << 4); // { dg-warning "parentheses" "correct warning" }
  54   foo ((6 - 5) << 4);
  55   foo (6 - (5 << 4));
  56   foo (a << b - c); // { dg-warning "parentheses" "correct warning" }
  57   foo ((a << b) - c);
  58   foo (a << (b - c));
  59   foo (6 << 5 - c); // { dg-warning "parentheses" "correct warning" }
  60   foo ((6 << 5) - c);
  61   foo (6 << (5 - c));
  62   foo (6 << 5 - 4); // { dg-warning "parentheses" "correct warning" }
  63   foo ((6 << 5) - 4);
  64   foo (6 << (5 - 4));
  65   foo (a - b >> c); // { dg-warning "parentheses" "correct warning" }
  66   foo ((a - b) >> c);
  67   foo (a - (b >> c));
  68   foo (6 - 5 >> c); // { dg-warning "parentheses" "correct warning" }
  69   foo ((6 - 5) >> c);
  70   foo (6 - (5 >> c));
  71   foo (6 - 5 >> 4); // { dg-warning "parentheses" "correct warning" }
  72   foo ((6 - 5) >> 4);
  73   foo (6 - (5 >> 4));
  74   foo (a >> b - c); // { dg-warning "parentheses" "correct warning" }
  75   foo ((a >> b) - c);
  76   foo (a >> (b - c));
  77   foo (6 >> 5 - c); // { dg-warning "parentheses" "correct warning" }
  78   foo ((6 >> 5) - c);
  79   foo (6 >> (5 - c));
  80   foo (6 >> 5 - 4); // { dg-warning "parentheses" "correct warning" }
  81   foo ((6 >> 5) - 4);
  82   foo (6 >> (5 - 4));
  83 }