| 1 | // RUN: %clang_cc1 -fsyntax-only -fclang-abi-compat=6 -triple x86_64-linux-gnu -fdump-record-layouts %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V6 |
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| 2 | // RUN: %clang_cc1 -fsyntax-only -fclang-abi-compat=7 -triple x86_64-linux-gnu -fdump-record-layouts %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V7 |
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| 3 | |
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| 4 | // In Clang 6 and before, we determined that Nonempty was empty, so we |
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| 5 | // applied EBO to it. |
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| 6 | struct Nonempty { int : 4; }; |
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| 7 | struct A : Nonempty { int n; }; |
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| 8 | int k = sizeof(A); |
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| 9 | |
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| 10 | // CHECK:*** Dumping AST Record Layout |
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| 11 | // CHECK: 0 | struct A |
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| 12 | // CHECK-V6-NEXT: 0 | struct Nonempty (base) (empty) |
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| 13 | // CHECK-V7-NEXT: 0 | struct Nonempty (base){{$}} |
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| 14 | // CHECK-NEXT: 0:0-3 | int |
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| 15 | // CHECK-V6-NEXT: 0 | int n |
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| 16 | // CHECK-V7-NEXT: 4 | int n |
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| 17 | // CHECK-V6-NEXT: | [sizeof=4, dsize=4, align=4, |
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| 18 | // CHECK-V6-NEXT: | nvsize=4, nvalign=4] |
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| 19 | // CHECK-V7-NEXT: | [sizeof=8, dsize=8, align=4, |
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| 20 | // CHECK-V7-NEXT: | nvsize=8, nvalign=4] |
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| 21 | |
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