blob: 286e2f97cc59914dc3c836040aa28d87c82c3dda [file] [log] [blame]
// Test operation of -Wparentheses. Warnings for assignments used as
// truth-values shouldn't apply other than for plain assignment.
// Essentially the same as gcc.dg/Wparentheses-10.c.
// Origin: Joseph Myers <jsm@polyomino.org.uk>
// { dg-do compile }
// { dg-options "-Wparentheses" }
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);
}