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// { dg-do compile }

// { dg-prune-output "direct base" }

// { dg-options "-fdump-class-hierarchy" }

// Copyright (C) 2002 Free Software Foundation, Inc.

// Contributed by Nathan Sidwell 27 Dec 2002 

// We ICE'd

struct c0 {};

struct c1 : virtual c0

{

  virtual c0 &f2() volatile;

};

struct c2

{

  int m;

};

struct c3 : virtual c0, virtual c1, c2

{

  virtual c1 &f2() volatile;

};

struct c4 : virtual c3, virtual c0, virtual c1

{

  int m;

};

struct c6 : c0, c3, c4

{

  virtual c1 &f2() volatile;

};

// f2 appears four times in the c6 vtables:

// once in c1-in-c3-in-c6 - covariant, virtual base, uses c1 vcall offset and c0 vbase offset

// { dg-final { scan-tree-dump "24    .*c6::_ZTcv0_n16_v0_n12_NV2c62f2Ev" "class" { target ilp32 } } }

// { dg-final { scan-tree-dump "48    .*c6::_ZTcv0_n32_v0_n24_NV2c62f2Ev" "class" { target lp64 } } }

// once in c3-in-c6 - non-covariant, non-virtual base, calls f2 directly

// { dg-final { scan-tree-dump "28    .*c6::f2" "class" { target ilp32 } } }

// { dg-final { scan-tree-dump "56    .*c6::f2" "class" { target lp64 } } }

// once in c1-in-c3-in-c4-in-c6 - lost primary

// { dg-final { scan-tree-dump "80    .*0u" "class" { target ilp32 } } }

// { dg-final { scan-tree-dump "160   .*0u" "class" { target lp64 } } }

// once in c3-in-c4-in-c6 - c3 vcall offset

// { dg-final { scan-tree-dump "84    .*c6::_ZTv0_n16_NV2c62f2Ev" "class" { target ilp32 } } }

// { dg-final { scan-tree-dump "168   .*c6::_ZTv0_n32_NV2c62f2Ev" "class" { target lp64 } } }

// { dg-final { cleanup-tree-dump "class" } }