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/* PR c/44677 */
/* { dg-do compile } */
/* { dg-options "-O2 -Wunused-but-set-variable=2" } */
void baz (int);
void
foo (void)
{
int a = 0; /* { dg-warning "variable 'a' set but not used" } */
a = 1;
int b = 0; /* { dg-warning "variable 'b' set but not used" } */
++b;
int c = 0; /* { dg-warning "variable 'c' set but not used" } */
c++;
int d = 0; /* { dg-warning "variable 'd' set but not used" } */
--d;
int e = 0; /* { dg-warning "variable 'e' set but not used" } */
e--;
int f = 0;
f += 2;
int g = 0;
g |= 2;
int h = 0;
h -= 2;
int i = 0;
i &= 2;
int j = 0;
j ^= 2;
int k = 0;
k *= 2;
int l = 0;
l %= 2;
int m = 0; /* { dg-warning "variable 'm' set but not used" } */
for (int n = 4; n < 10; n++, m++)
baz (n);
}
int
bar (void)
{
int a = 0;
int b = ++a;
int c = 0;
int d = --c;
int e = 0;
int f = e--;
int g = 0;
int h = g++;
int i = 0;
int j;
j = i += 42;
int k = 0;
int l;
l = k *= 4;
int m = 0;
int n;
n = m |= 2;
return b + d + f + h + j + l + n;
}
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