/* Test operation of -Wparentheses. Precedence warnings. & or + or - or comparison inside ^. */ /* Origin: Joseph Myers */ /* { dg-do compile } */ /* { dg-options "-Wparentheses" } */ int foo (int); int bar (int a, int b, int c) { foo (a & b ^ c); /* { dg-warning "parentheses" "correct warning" } */ foo ((a & b) ^ c); foo (a & (b ^ c)); foo (1 & 2 ^ c); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 & 2) ^ c); foo (1 & (2 ^ c)); foo (1 & 2 ^ 3); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 & 2) ^ 3); foo (1 & (2 ^ 3)); foo (a ^ b & c); /* { dg-warning "parentheses" "correct warning" } */ foo ((a ^ b) & c); foo (a ^ (b & c)); foo (1 ^ 2 & c); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 ^ 2) & c); foo (1 ^ (2 & c)); foo (1 ^ 2 & 3); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 ^ 2) & 3); foo (1 ^ (2 & 3)); foo (a + b ^ c); /* { dg-warning "parentheses" "correct warning" } */ foo ((a + b) ^ c); foo (a + (b ^ c)); foo (1 + 2 ^ c); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 + 2) ^ c); foo (1 + (2 ^ c)); foo (1 + 2 ^ 3); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 + 2) ^ 3); foo (1 + (2 ^ 3)); foo (a ^ b + c); /* { dg-warning "parentheses" "correct warning" } */ foo ((a ^ b) + c); foo (a ^ (b + c)); foo (1 ^ 2 + c); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 ^ 2) + c); foo (1 ^ (2 + c)); foo (1 ^ 2 + 3); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 ^ 2) + 3); foo (1 ^ (2 + 3)); foo (a - b ^ c); /* { dg-warning "parentheses" "correct warning" } */ foo ((a - b) ^ c); foo (a - (b ^ c)); foo (1 - 2 ^ c); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 - 2) ^ c); foo (1 - (2 ^ c)); foo (1 - 2 ^ 3); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 - 2) ^ 3); foo (1 - (2 ^ 3)); foo (a ^ b - c); /* { dg-warning "parentheses" "correct warning" } */ foo ((a ^ b) - c); foo (a ^ (b - c)); foo (1 ^ 2 - c); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 ^ 2) - c); foo (1 ^ (2 - c)); foo (1 ^ 2 - 3); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 ^ 2) - 3); foo (1 ^ (2 - 3)); foo (a >= b ^ c); /* { dg-warning "parentheses" "correct warning" } */ foo ((a >= b) ^ c); foo (a >= (b ^ c)); foo (1 >= 2 ^ c); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 >= 2) ^ c); foo (1 >= (2 ^ c)); foo (1 >= 2 ^ 3); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 >= 2) ^ 3); foo (1 >= (2 ^ 3)); foo (a ^ b >= c); /* { dg-warning "parentheses" "correct warning" } */ foo ((a ^ b) >= c); foo (a ^ (b >= c)); foo (1 ^ 2 >= c); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 ^ 2) >= c); foo (1 ^ (2 >= c)); foo (1 ^ 2 >= 3); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 ^ 2) >= 3); foo (1 ^ (2 >= 3)); foo (a == b ^ c); /* { dg-warning "parentheses" "correct warning" } */ foo ((a == b) ^ c); foo (a == (b ^ c)); foo (1 == 2 ^ c); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 == 2) ^ c); foo (1 == (2 ^ c)); foo (1 == 2 ^ 3); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 == 2) ^ 3); foo (1 == (2 ^ 3)); foo (a ^ b == c); /* { dg-warning "parentheses" "correct warning" } */ foo ((a ^ b) == c); foo (a ^ (b == c)); foo (1 ^ 2 == c); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 ^ 2) == c); foo (1 ^ (2 == c)); foo (1 ^ 2 == 3); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 ^ 2) == 3); foo (1 ^ (2 == 3)); foo (a < b ^ c); /* { dg-warning "parentheses" "correct warning" } */ foo ((a < b) ^ c); foo (a < (b ^ c)); foo (1 < 2 ^ c); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 < 2) ^ c); foo (1 < (2 ^ c)); foo (1 < 2 ^ 3); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 < 2) ^ 3); foo (1 < (2 ^ 3)); foo (a ^ b < c); /* { dg-warning "parentheses" "correct warning" } */ foo ((a ^ b) < c); foo (a ^ (b < c)); foo (1 ^ 2 < c); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 ^ 2) < c); foo (1 ^ (2 < c)); foo (1 ^ 2 < 3); /* { dg-warning "parentheses" "correct warning" } */ foo ((1 ^ 2) < 3); foo (1 ^ (2 < 3)); }