gcc/testsuite/gdc.test/fail_compilation/test16095.d

/*
REQUIRED_ARGS:
PERMUTE_ARGS:
TEST_OUTPUT:
---
fail_compilation/test16095.d(20): Error: shared method test16095.C.ping is not callable using a non-shared a
fail_compilation/test16095.d(30): Error: shared method test16095.S.ping is not callable using a non-shared *a
fail_compilation/test16095.d(43): Error: mutable method test16095.Foo.flip is not callable using a immutable foo
---
*/
// https://issues.dlang.org/show_bug.cgi?id=16095

class C
{
    void ping() shared;
}

void test1(C a)
{
    (&a.ping)(); // error
}

struct S
{
    void ping() shared;
}

void test2(S* a)
{
    (&a.ping)(); // error
}

struct Foo {
   bool flag;
   void flip() {
        flag = true;
   }
}

void test3()
{
    immutable Foo foo;
    (&foo.flip)();      // error
}