test case for alignment bug in packed structs for STRICT_ALIGNMENT targets

From-SVN: r132415

gcc/testsuite/ChangeLog

+2008-02-19  Christian Bruel  <christian.bruel@st.com>
+
+	* gcc.dg/packed-array.c: New testcase. 
+
 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR target/33555

gcc/testsuite/gcc.dg/packed-array.c

+/* { dg-do run } */
+/* { dg-options "-O2 -fno-inline" } */
+
+struct usb_interface_descriptor {
+ unsigned short wMaxPacketSize;
+  char e;
+} __attribute__ ((packed));
+
+struct usb_device {
+ int devnum;
+ struct usb_interface_descriptor if_desc[2];
+};
+
+extern int printf (const char *, ...);
+
+void foo (unsigned short a)
+{
+  printf ("%d\n", a);
+}
+
+struct usb_device ndev;
+
+void usb_set_maxpacket(int n)
+{
+  int i;
+
+  for(i=0; i<n;i++)
+    foo((&ndev)->if_desc[i].wMaxPacketSize);
+}
+
+int
+main()
+{
+  usb_set_maxpacket(2);
+  return 0;
+}
+
+
+
+