| /* Test operation of -Wparentheses. Warnings for assignments used as |
| truth-values shouldn't apply other than for plain assignment. */ |
| /* Origin: Joseph Myers <jsm@polyomino.org.uk> */ |
| |
| /* { dg-do compile } */ |
| /* { dg-options "-Wparentheses -std=gnu99" } */ |
| |
| int foo (int); |
| |
| int a, b, c; |
| _Bool d; |
| |
| void |
| bar (void) |
| { |
| if (a += b) |
| foo (0); |
| if (a -= a) |
| foo (1); |
| if (b *= c) |
| foo (2); |
| else |
| foo (3); |
| if (b /= b) |
| foo (4); |
| else |
| foo (5); |
| while (c %= b) |
| foo (6); |
| while (c <<= c) |
| foo (7); |
| do foo (8); while (a >>= b); |
| do foo (9); while (a &= a); |
| for (;c ^= b;) |
| foo (10); |
| for (;c |= c;) |
| foo (11); |
| d = a += b; |
| foo (12); |
| d = a -= a; |
| foo (13); |
| } |
