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ms-x86-empty-base-after-base-with-vbptr.cpp
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// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts %s 2>/dev/null \
// RUN: | FileCheck %s
// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fdump-record-layouts %s 2>/dev/null \
// RUN: | FileCheck %s -check-prefix CHECK-X64
struct U { char a; };
struct V { };
struct W { };
struct X : virtual V { char a; };
struct Y : virtual V { char a; };
struct Z : Y { };
struct A : X, W { char a; };
// CHECK: *** Dumping AST Record Layout
// CHECK: *** Dumping AST Record Layout
// CHECK: *** Dumping AST Record Layout
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct A
// CHECK-NEXT: 0 | struct X (base)
// CHECK-NEXT: 0 | (X vbtable pointer)
// CHECK-NEXT: 4 | char a
// CHECK-NEXT: 9 | struct W (base) (empty)
// CHECK-NEXT: 9 | char a
// CHECK-NEXT: 12 | struct V (virtual base) (empty)
// CHECK-NEXT: | [sizeof=12, align=4
// CHECK-NEXT: | nvsize=12, nvalign=4]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct A
// CHECK-X64-NEXT: 0 | struct X (base)
// CHECK-X64-NEXT: 0 | (X vbtable pointer)
// CHECK-X64-NEXT: 8 | char a
// CHECK-X64-NEXT: 17 | struct W (base) (empty)
// CHECK-X64-NEXT: 17 | char a
// CHECK-X64-NEXT: 24 | struct V (virtual base) (empty)
// CHECK-X64-NEXT: | [sizeof=24, align=8
// CHECK-X64-NEXT: | nvsize=24, nvalign=8]
struct B : X, U, W { char a; };
// CHECK: *** Dumping AST Record Layout
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct B
// CHECK-NEXT: 0 | struct X (base)
// CHECK-NEXT: 0 | (X vbtable pointer)
// CHECK-NEXT: 4 | char a
// CHECK-NEXT: 8 | struct U (base)
// CHECK-NEXT: 8 | char a
// CHECK-NEXT: 9 | struct W (base) (empty)
// CHECK-NEXT: 9 | char a
// CHECK-NEXT: 12 | struct V (virtual base) (empty)
// CHECK-NEXT: | [sizeof=12, align=4
// CHECK-NEXT: | nvsize=12, nvalign=4]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct B
// CHECK-X64-NEXT: 0 | struct X (base)
// CHECK-X64-NEXT: 0 | (X vbtable pointer)
// CHECK-X64-NEXT: 8 | char a
// CHECK-X64-NEXT: 16 | struct U (base)
// CHECK-X64-NEXT: 16 | char a
// CHECK-X64-NEXT: 17 | struct W (base) (empty)
// CHECK-X64-NEXT: 17 | char a
// CHECK-X64-NEXT: 24 | struct V (virtual base) (empty)
// CHECK-X64-NEXT: | [sizeof=24, align=8
// CHECK-X64-NEXT: | nvsize=24, nvalign=8]
struct C : X, V, W { char a; };
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct C
// CHECK-NEXT: 0 | struct X (base)
// CHECK-NEXT: 0 | (X vbtable pointer)
// CHECK-NEXT: 4 | char a
// CHECK-NEXT: 9 | struct V (base) (empty)
// CHECK-NEXT: 10 | struct W (base) (empty)
// CHECK-NEXT: 10 | char a
// CHECK-NEXT: 12 | struct V (virtual base) (empty)
// CHECK-NEXT: | [sizeof=12, align=4
// CHECK-NEXT: | nvsize=12, nvalign=4]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct C
// CHECK-X64-NEXT: 0 | struct X (base)
// CHECK-X64-NEXT: 0 | (X vbtable pointer)
// CHECK-X64-NEXT: 8 | char a
// CHECK-X64-NEXT: 17 | struct V (base) (empty)
// CHECK-X64-NEXT: 18 | struct W (base) (empty)
// CHECK-X64-NEXT: 18 | char a
// CHECK-X64-NEXT: 24 | struct V (virtual base) (empty)
// CHECK-X64-NEXT: | [sizeof=24, align=8
// CHECK-X64-NEXT: | nvsize=24, nvalign=8]
struct D : X, U, V, W { char a; };
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct D
// CHECK-NEXT: 0 | struct X (base)
// CHECK-NEXT: 0 | (X vbtable pointer)
// CHECK-NEXT: 4 | char a
// CHECK-NEXT: 8 | struct U (base)
// CHECK-NEXT: 8 | char a
// CHECK-NEXT: 9 | struct V (base) (empty)
// CHECK-NEXT: 10 | struct W (base) (empty)
// CHECK-NEXT: 10 | char a
// CHECK-NEXT: 12 | struct V (virtual base) (empty)
// CHECK-NEXT: | [sizeof=12, align=4
// CHECK-NEXT: | nvsize=12, nvalign=4]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct D
// CHECK-X64-NEXT: 0 | struct X (base)
// CHECK-X64-NEXT: 0 | (X vbtable pointer)
// CHECK-X64-NEXT: 8 | char a
// CHECK-X64-NEXT: 16 | struct U (base)
// CHECK-X64-NEXT: 16 | char a
// CHECK-X64-NEXT: 17 | struct V (base) (empty)
// CHECK-X64-NEXT: 18 | struct W (base) (empty)
// CHECK-X64-NEXT: 18 | char a
// CHECK-X64-NEXT: 24 | struct V (virtual base) (empty)
// CHECK-X64-NEXT: | [sizeof=24, align=8
// CHECK-X64-NEXT: | nvsize=24, nvalign=8]
struct E : X, U, Y, V, W { char a; };
// CHECK: *** Dumping AST Record Layout
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct E
// CHECK-NEXT: 0 | struct X (base)
// CHECK-NEXT: 0 | (X vbtable pointer)
// CHECK-NEXT: 4 | char a
// CHECK-NEXT: 8 | struct U (base)
// CHECK-NEXT: 8 | char a
// CHECK-NEXT: 12 | struct Y (base)
// CHECK-NEXT: 12 | (Y vbtable pointer)
// CHECK-NEXT: 16 | char a
// CHECK-NEXT: 21 | struct V (base) (empty)
// CHECK-NEXT: 22 | struct W (base) (empty)
// CHECK-NEXT: 22 | char a
// CHECK-NEXT: 24 | struct V (virtual base) (empty)
// CHECK-NEXT: | [sizeof=24, align=4
// CHECK-NEXT: | nvsize=24, nvalign=4]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct E
// CHECK-X64-NEXT: 0 | struct X (base)
// CHECK-X64-NEXT: 0 | (X vbtable pointer)
// CHECK-X64-NEXT: 8 | char a
// CHECK-X64-NEXT: 16 | struct U (base)
// CHECK-X64-NEXT: 16 | char a
// CHECK-X64-NEXT: 24 | struct Y (base)
// CHECK-X64-NEXT: 24 | (Y vbtable pointer)
// CHECK-X64-NEXT: 32 | char a
// CHECK-X64-NEXT: 41 | struct V (base) (empty)
// CHECK-X64-NEXT: 42 | struct W (base) (empty)
// CHECK-X64-NEXT: 42 | char a
// CHECK-X64-NEXT: 48 | struct V (virtual base) (empty)
// CHECK-X64-NEXT: | [sizeof=48, align=8
// CHECK-X64-NEXT: | nvsize=48, nvalign=8]
struct F : Z, W { char a; };
// CHECK: *** Dumping AST Record Layout
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct F
// CHECK-NEXT: 0 | struct Z (base)
// CHECK-NEXT: 0 | struct Y (base)
// CHECK-NEXT: 0 | (Y vbtable pointer)
// CHECK-NEXT: 4 | char a
// CHECK-NEXT: 9 | struct W (base) (empty)
// CHECK-NEXT: 9 | char a
// CHECK-NEXT: 12 | struct V (virtual base) (empty)
// CHECK-NEXT: | [sizeof=12, align=4
// CHECK-NEXT: | nvsize=12, nvalign=4]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct F
// CHECK-X64-NEXT: 0 | struct Z (base)
// CHECK-X64-NEXT: 0 | struct Y (base)
// CHECK-X64-NEXT: 0 | (Y vbtable pointer)
// CHECK-X64-NEXT: 8 | char a
// CHECK-X64-NEXT: 17 | struct W (base) (empty)
// CHECK-X64-NEXT: 17 | char a
// CHECK-X64-NEXT: 24 | struct V (virtual base) (empty)
// CHECK-X64-NEXT: | [sizeof=24, align=8
// CHECK-X64-NEXT: | nvsize=24, nvalign=8]
struct G : X, W, Y, V { char a; };
// CHECK: *** Dumping AST Record Layout
// CHECK-NEXT: 0 | struct G
// CHECK-NEXT: 0 | struct X (base)
// CHECK-NEXT: 0 | (X vbtable pointer)
// CHECK-NEXT: 4 | char a
// CHECK-NEXT: 9 | struct W (base) (empty)
// CHECK-NEXT: 12 | struct Y (base)
// CHECK-NEXT: 12 | (Y vbtable pointer)
// CHECK-NEXT: 16 | char a
// CHECK-NEXT: 21 | struct V (base) (empty)
// CHECK-NEXT: 21 | char a
// CHECK-NEXT: 24 | struct V (virtual base) (empty)
// CHECK-NEXT: | [sizeof=24, align=4
// CHECK-NEXT: | nvsize=24, nvalign=4]
// CHECK-X64: *** Dumping AST Record Layout
// CHECK-X64-NEXT: 0 | struct G
// CHECK-X64-NEXT: 0 | struct X (base)
// CHECK-X64-NEXT: 0 | (X vbtable pointer)
// CHECK-X64-NEXT: 8 | char a
// CHECK-X64-NEXT: 17 | struct W (base) (empty)
// CHECK-X64-NEXT: 24 | struct Y (base)
// CHECK-X64-NEXT: 24 | (Y vbtable pointer)
// CHECK-X64-NEXT: 32 | char a
// CHECK-X64-NEXT: 41 | struct V (base) (empty)
// CHECK-X64-NEXT: 41 | char a
// CHECK-X64-NEXT: 48 | struct V (virtual base) (empty)
// CHECK-X64-NEXT: | [sizeof=48, align=8
// CHECK-X64-NEXT: | nvsize=48, nvalign=8]
int a[
sizeof(A)+
sizeof(B)+
sizeof(C)+
sizeof(D)+
sizeof(E)+
sizeof(F)+
sizeof(G)];