gcc/testsuite/gdc.test/fail_compilation/diag12063.d

/*
TEST_OUTPUT:
---
fail_compilation/diag12063.d(11): Error: no property 'max' for type 'Foo'
fail_compilation/diag12063.d(14): Error: incompatible types for ((Foo()) + (1)): 'Bar' and 'int'
---
*/

struct Foo {}

enum Bar : Foo
{
    a = Foo(),
    b
}