llvm-project/clang/test/Layout/aix-Wpacked-expecting-diagn...

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C++

// RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -Wpacked \
// RUN: -fdump-record-layouts -fsyntax-only -verify -x c++ < %s | \
// RUN: FileCheck %s
// RUN: %clang_cc1 -triple powerpc64-ibm-aix-xcoff -Wpacked \
// RUN: -fdump-record-layouts -fsyntax-only -verify -x c++ < %s | \
// RUN: FileCheck %s
struct A {
double d;
};
struct B {
char x[8];
};
struct [[gnu::packed]] C : B, A { // expected-warning{{packed attribute is unnecessary for 'C'}}
char x alignas(4)[8];
};
int b = sizeof(C);
// CHECK: 0 | struct C
// CHECK-NEXT: 0 | struct B (base)
// CHECK-NEXT: 0 | char[8] x
// CHECK-NEXT: 8 | struct A (base)
// CHECK-NEXT: 8 | double d
// CHECK-NEXT: 16 | char[8] x
// CHECK-NEXT: | [sizeof=24, dsize=24, align=4, preferredalign=4,
// CHECK-NEXT: | nvsize=24, nvalign=4, preferrednvalign=4]