clang/test/Layout/aix-Wpacked-expecting-diagnostics.cpp

   1 // RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -Wpacked \
   2 // RUN:     -fdump-record-layouts -fsyntax-only -verify -x c++ < %s | \
   3 // RUN:   FileCheck %s
   4
   5 // RUN: %clang_cc1 -triple powerpc64-ibm-aix-xcoff -Wpacked \
   6 // RUN:     -fdump-record-layouts -fsyntax-only -verify -x c++ < %s | \
   7 // RUN:   FileCheck %s
   8
   9 // expected-no-diagnostics
  10
  11 struct A {
  12   double d;
  13 };
  14
  15 struct B {
  16   char x[8];
  17 };
  18
  19 struct [[gnu::packed]] C : B, A {
  20   char x alignas(4)[8];
  21 };
  22
  23 int b = sizeof(C);
  24
  25 // CHECK:               0 | struct C
  26 // CHECK-NEXT:          0 |   struct B (base)
  27 // CHECK-NEXT:          0 |     char[8] x
  28 // CHECK-NEXT:          8 |   struct A (base)
  29 // CHECK-NEXT:          8 |     double d
  30 // CHECK-NEXT:         16 |   char[8] x
  31 // CHECK-NEXT:            | [sizeof=24, dsize=24, align=4, preferredalign=4,
  32 // CHECK-NEXT:            |  nvsize=24, nvalign=4, preferrednvalign=4]