diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/packed-array.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/packed-array.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/packed-array.c b/gcc/testsuite/gcc.dg/packed-array.c new file mode 100644 index 000000000..b57f3ac03 --- /dev/null +++ b/gcc/testsuite/gcc.dg/packed-array.c @@ -0,0 +1,40 @@ +/* { 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; +} + + + + |