[thirdparty/gcc.git] / gcc / testsuite / gdc.test / fail_compilation / fail3672.d

/*
TEST_OUTPUT:
---
fail_compilation/fail3672.d(28): Error: read-modify-write operations are not allowed for `shared` variables
fail_compilation/fail3672.d(28):        Use `core.atomic.atomicOp!"+="(*p, 1)` instead
fail_compilation/fail3672.d(32): Error: none of the `opOpAssign` overloads of `SF` are callable for `*sfp` of type `shared(SF)`
---
*/

struct SF  // should fail
{
    void opOpAssign(string op, T)(T rhs)
    {
    }
}

struct SK  // ok
{
    void opOpAssign(string op, T)(T rhs) shared
    {
    }
}

void main()
{
    shared int x;
    auto p = &x;
    *p += 1;  // fail

    shared SF sf;
    auto sfp = &sf;
    *sfp += 1;  // fail

    shared SK sk;
    auto skp = &sk;
    sk += 1;  // ok
    *skp += 1;  // ok
}
Commit	Line	Data
b4c522fa IB	1	/*
	2	TEST_OUTPUT:
	3	---
5fee5ec3 IB	4	fail_compilation/fail3672.d(28): Error: read-modify-write operations are not allowed for `shared` variables
	5	fail_compilation/fail3672.d(28): Use `core.atomic.atomicOp!"+="(*p, 1)` instead
	6	fail_compilation/fail3672.d(32): Error: none of the `opOpAssign` overloads of `SF` are callable for `*sfp` of type `shared(SF)`
b4c522fa IB	7	---
	8	*/
	9
	10	struct SF // should fail
	11	{
	12	void opOpAssign(string op, T)(T rhs)
	13	{
	14	}
	15	}
	16
	17	struct SK // ok
	18	{
	19	void opOpAssign(string op, T)(T rhs) shared
	20	{
	21	}
	22	}
	23
	24	void main()
	25	{
	26	shared int x;
	27	auto p = &x;
	28	*p += 1; // fail
	29
	30	shared SF sf;
	31	auto sfp = &sf;
	32	*sfp += 1; // fail
	33
	34	shared SK sk;
	35	auto skp = &sk;
	36	sk += 1; // ok
	37	*skp += 1; // ok
	38	}