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