1 // RUN: %clang_cc1 -triple i686-linux-gnu %s -emit-llvm -o - | FileCheck %s 2 3 class A { 4 // append has to have the same prototype as fn1 to tickle the bug. 5 void (*append)(A *); 6 }; 7 8 class B {}; 9 class D; 10 11 // C has to be non-C++98 POD with available tail padding, making the LLVM base 12 // type differ from the complete LLVM type. 13 class C { 14 // This member creates a circular LLVM type reference to %class.D. 15 D *m_group; 16 B changeListeners; 17 }; 18 class D : C {}; 19 20 void fn1(A *p1) { 21 } 22 23 void 24 fn2(C *) { 25 } 26 27 // We end up using an opaque type for 'append' to avoid circular references. 28 // CHECK: %class.A = type { {}* } 29 // CHECK: %class.C = type <{ %class.D*, %class.B, [3 x i8] }> 30 // CHECK: %class.D = type { %class.C.base, [3 x i8] } 31 // CHECK: %class.C.base = type <{ %class.D*, %class.B }> 32 // CHECK: %class.B = type { i8 } 33
