gcc/testsuite/gdc.test/fail_compilation/fail195.d

/*
TEST_OUTPUT:
---
fail_compilation/fail195.d(22): Error: struct Foo does not overload ()
---
*/

// 1384 Compiler segfaults when using struct variable like a function with no opCall member.

struct Foo
{
    union
    {
        int a;
        int b;
    }
}

void bla()
{
    Foo next;
    next(); // Error: structliteral has no effect in expression (Foo(0))
}