// Test operation of -Wparentheses. Warnings for assignments used as
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// Test operation of -Wparentheses. Warnings for assignments used as
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// truth-values. Essentially the same as gcc.dg/Wparentheses-3.c.
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// truth-values. Essentially the same as gcc.dg/Wparentheses-3.c.
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// Origin: Joseph Myers
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// Origin: Joseph Myers
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// { dg-do compile }
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// { dg-do compile }
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// { dg-options "-Wparentheses" }
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// { dg-options "-Wparentheses" }
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int foo (int);
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int foo (int);
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int a, b, c;
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int a, b, c;
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bool d;
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bool d;
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void
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void
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bar (void)
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bar (void)
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{
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{
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if (a = b) // { dg-warning "assignment" "correct warning" }
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if (a = b) // { dg-warning "assignment" "correct warning" }
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foo (0);
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foo (0);
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if ((a = b))
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if ((a = b))
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foo (1);
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foo (1);
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if (a = a) // { dg-warning "assignment" "correct warning" }
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if (a = a) // { dg-warning "assignment" "correct warning" }
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foo (2);
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foo (2);
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if ((a = a))
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if ((a = a))
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foo (3);
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foo (3);
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if (b = c) // { dg-warning "assignment" "correct warning" }
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if (b = c) // { dg-warning "assignment" "correct warning" }
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foo (4);
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foo (4);
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else
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else
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foo (5);
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foo (5);
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if ((b = c))
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if ((b = c))
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foo (6);
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foo (6);
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else
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else
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foo (7);
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foo (7);
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if (b = b) // { dg-warning "assignment" "correct warning" }
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if (b = b) // { dg-warning "assignment" "correct warning" }
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foo (8);
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foo (8);
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else
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else
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foo (9);
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foo (9);
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if ((b = b))
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if ((b = b))
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foo (10);
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foo (10);
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else
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else
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foo (11);
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foo (11);
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while (c = b) // { dg-warning "assignment" "correct warning" }
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while (c = b) // { dg-warning "assignment" "correct warning" }
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foo (12);
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foo (12);
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while ((c = b))
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while ((c = b))
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foo (13);
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foo (13);
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while (c = c) // { dg-warning "assignment" "correct warning" }
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while (c = c) // { dg-warning "assignment" "correct warning" }
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foo (14);
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foo (14);
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while ((c = c))
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while ((c = c))
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foo (15);
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foo (15);
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do foo (16); while (a = b); // { dg-warning "assignment" "correct warning" }
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do foo (16); while (a = b); // { dg-warning "assignment" "correct warning" }
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do foo (17); while ((a = b));
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do foo (17); while ((a = b));
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do foo (18); while (a = a); // { dg-warning "assignment" "correct warning" }
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do foo (18); while (a = a); // { dg-warning "assignment" "correct warning" }
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do foo (19); while ((a = a));
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do foo (19); while ((a = a));
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for (;c = b;) // { dg-warning "assignment" "correct warning" }
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for (;c = b;) // { dg-warning "assignment" "correct warning" }
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foo (20);
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foo (20);
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for (;(c = b);)
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for (;(c = b);)
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foo (21);
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foo (21);
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for (;c = c;) // { dg-warning "assignment" "correct warning" }
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for (;c = c;) // { dg-warning "assignment" "correct warning" }
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foo (22);
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foo (22);
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for (;(c = c);)
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for (;(c = c);)
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foo (23);
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foo (23);
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d = a = b; // { dg-warning "assignment" "correct warning" }
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d = a = b; // { dg-warning "assignment" "correct warning" }
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foo (24);
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foo (24);
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d = (a = b);
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d = (a = b);
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foo (25);
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foo (25);
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d = a = a; // { dg-warning "assignment" "correct warning" }
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d = a = a; // { dg-warning "assignment" "correct warning" }
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foo (26);
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foo (26);
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d = (a = a);
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d = (a = a);
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foo (27);
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foo (27);
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}
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}
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