?? wparentheses-5.c
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/* Test operation of -Wparentheses. Precedence warnings. && inside ||. *//* Origin: Joseph Myers <jsm@polyomino.org.uk> *//* { dg-do compile } *//* { dg-options "-Wparentheses" } */int foo (int);intbar (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));}?? 快捷鍵說明
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