gcc/testsuite/gdc.test/fail_compilation/fail115.d

// https://issues.dlang.org/show_bug.cgi?id=402
// compiler crash with mixin and forward reference
/*
TEST_OUTPUT:
---
fail_compilation/fail115.d(17): Error: mixin `Foo!y` cannot resolve forward reference
---
*/

template Foo(alias b)
{
    int a() { return b; }
}

void main()
{
    mixin Foo!(y) y;
}