clang/test/Sema/mms-bitfields.c

   1 // RUN: %clang_cc1 -mms-bitfields -fsyntax-only -verify -triple x86_64-apple-darwin9 %s
   2 // expected-no-diagnostics
   3
   4 // The -mms-bitfields commandline parameter should behave the same
   5 // as the ms_struct attribute.
   6 struct
   7 {
   8    int a : 1;
   9    short b : 1;
  10 } t;
  11
  12 // MS pads out bitfields between different types.
  13 static int arr[(sizeof(t) == 8) ? 1 : -1];
  14
  15 #pragma pack (push,1)
  16
  17 typedef unsigned int UINT32;
  18
  19 struct Inner {
  20   UINT32    A    :  1;
  21   UINT32    B    :  1;
  22   UINT32    C    :  1;
  23   UINT32    D    : 30;
  24 } Inner;
  25
  26 #pragma pack (pop)
  27
  28 static int arr2[(sizeof(Inner) == 8) ? 1 : -1];