1 files changed, 41 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/abi/bitfield4.C b/gcc/testsuite/g++.dg/abi/bitfield4.C
new file mode 100644
index 000000000..5434dd973
--- /dev/null
+++ b/gcc/testsuite/g++.dg/abi/bitfield4.C
@@ -0,0 +1,41 @@
+/* { dg-do run { target { pcc_bitfield_type_matters || default_packed } } } */
+
+/* Check bitfields and non-bitfields are aligned & sized similarly.
+
+   Copyright (C) 2002 Free Software Foundation Inc
+   Contributed by Nathan Sidwell <nathan@codesourcery.com>
+*/
+
+#include <limits.h>
+#include <stdio.h>
+
+static int fail;
+
+#define CHECK1(N, T) do { \
+  typedef struct Field_##N { char c; T f; } Field_##N; \
+  typedef struct BitField_##N { char c; T f : sizeof (T) * CHAR_BIT; } BitField_##N; \
+  if (sizeof (Field_##N) != sizeof (BitField_##N)) { \
+    fail = 1; printf ("sizeof %s failed\n", #T); \
+  } \
+  if (__alignof__ (Field_##N) != __alignof__ (BitField_##N)) { \
+    fail = 1; printf ("__alignof__ %s failed\n", #T); \
+  } \
+} while (0)
+
+#define CHECK(N, T) do { \
+  CHECK1(N, T); \
+  CHECK1 (s##N, signed T); \
+  CHECK1 (u##N, unsigned T); \
+} while (0)
+ 
+int main ()
+{
+  
+  CHECK (c, char);
+  CHECK (s, short);
+  CHECK (i, int);
+  CHECK (l, long);
+  CHECK (ll, long long);
+  
+  return fail;
+}