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// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
// An extra byte should be allocated for an empty class.
// CHECK: %struct.A = type { i8 }
struct A { } a;
// No need to add tail padding here.
// CHECK: %struct.B = type { i8*, i32 }
struct B { void *a; int b; } b;
// C should have a vtable pointer.
// CHECK: %struct.C = type { i32 (...)**, i32 }
struct C { virtual void f(); int a; } *c;
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