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// RUN: %clang_cc1 -triple i686-linux-gnu %s -emit-llvm -o - | FileCheck %s
class A {
// append has to have the same prototype as fn1 to tickle the bug.
void (*append)(A *);
};
class B {};
class D;
// C has to be non-C++98 POD with available tail padding, making the LLVM base
// type differ from the complete LLVM type.
class C {
// This member creates a circular LLVM type reference to %class.D.
D *m_group;
B changeListeners;
};
class D : C {};
void fn1(A *p1) {
}
void
fn2(C *) {
}
// We end up using an opaque type for 'append' to avoid circular references.
// CHECK: %class.A = type { {}* }
// CHECK: %class.C = type <{ %class.D*, %class.B, [3 x i8] }>
// CHECK: %class.D = type { %class.C.base, [3 x i8] }
// CHECK: %class.C.base = type <{ %class.D*, %class.B }>
// CHECK: %class.B = type { i8 }
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