// Test the self-assignemnt detection plugin.
|
// Test the self-assignemnt detection plugin.
|
// { dg-do compile }
|
// { dg-do compile }
|
// { dg-options "-O" }
|
// { dg-options "-O" }
|
|
|
class Foo {
|
class Foo {
|
private:
|
private:
|
int a_;
|
int a_;
|
|
|
public:
|
public:
|
Foo() : a_(a_) {} // { dg-warning "assigned to itself" }
|
Foo() : a_(a_) {} // { dg-warning "assigned to itself" }
|
|
|
void setA(int a) {
|
void setA(int a) {
|
a_ = a_; // { dg-warning "assigned to itself" }
|
a_ = a_; // { dg-warning "assigned to itself" }
|
}
|
}
|
|
|
void operator=(Foo& rhs) {
|
void operator=(Foo& rhs) {
|
this->a_ = rhs.a_;
|
this->a_ = rhs.a_;
|
}
|
}
|
};
|
};
|
|
|
struct Bar {
|
struct Bar {
|
int b_;
|
int b_;
|
int c_;
|
int c_;
|
};
|
};
|
|
|
int g = g; // { dg-warning "assigned to itself" }
|
int g = g; // { dg-warning "assigned to itself" }
|
Foo foo = foo; // { dg-warning "assigned to itself" }
|
Foo foo = foo; // { dg-warning "assigned to itself" }
|
|
|
int func()
|
int func()
|
{
|
{
|
Bar *bar1, bar2;
|
Bar *bar1, bar2;
|
Foo local_foo;
|
Foo local_foo;
|
int x = x; // { dg-warning "assigned to itself" }
|
int x = x; // { dg-warning "assigned to itself" }
|
static int y = y; // { dg-warning "assigned to itself" }
|
static int y = y; // { dg-warning "assigned to itself" }
|
float *f;
|
float *f;
|
Bar bar_array[5];
|
Bar bar_array[5];
|
char n;
|
char n;
|
int overflow;
|
int overflow;
|
|
|
*f = *f; // { dg-warning "assigned to itself" }
|
*f = *f; // { dg-warning "assigned to itself" }
|
bar1->b_ = bar1->b_; // { dg-warning "assigned to itself" }
|
bar1->b_ = bar1->b_; // { dg-warning "assigned to itself" }
|
bar2.c_ = bar2.c_; // { dg-warning "assigned to itself" }
|
bar2.c_ = bar2.c_; // { dg-warning "assigned to itself" }
|
local_foo = local_foo; // { dg-warning "assigned to itself" }
|
local_foo = local_foo; // { dg-warning "assigned to itself" }
|
foo = foo; // { dg-warning "assigned to itself" }
|
foo = foo; // { dg-warning "assigned to itself" }
|
foo.setA(5);
|
foo.setA(5);
|
bar_array[3].c_ = bar_array[3].c_; // { dg-warning "assigned to itself" }
|
bar_array[3].c_ = bar_array[3].c_; // { dg-warning "assigned to itself" }
|
bar_array[x+g].b_ = bar_array[x+g].b_; // { dg-warning "self-assignment detected" }
|
bar_array[x+g].b_ = bar_array[x+g].b_; // { dg-warning "self-assignment detected" }
|
y = x;
|
y = x;
|
x = y;
|
x = y;
|
}
|
}
|
|
|
