21 lines · cpp
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-V62// 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-V73 4// In Clang 6 and before, we determined that Nonempty was empty, so we5// applied EBO to it.6struct Nonempty { int : 4; };7struct A : Nonempty { int n; };8int k = sizeof(A);9 10// CHECK:*** Dumping AST Record Layout11// CHECK: 0 | struct A12// CHECK-V6-NEXT: 0 | struct Nonempty (base) (empty)13// CHECK-V7-NEXT: 0 | struct Nonempty (base){{$}}14// CHECK-NEXT: 0:0-3 | int15// CHECK-V6-NEXT: 0 | int n16// CHECK-V7-NEXT: 4 | int n17// CHECK-V6-NEXT: | [sizeof=4, dsize=4, align=4,18// CHECK-V6-NEXT: | nvsize=4, nvalign=4]19// CHECK-V7-NEXT: | [sizeof=8, dsize=8, align=4,20// CHECK-V7-NEXT: | nvsize=8, nvalign=4]21