Another new test.

From-SVN: r19658

gcc/testsuite/gcc.c-torture/compile/980511-1.c

+typedef unsigned int	__kernel_dev_t;
+typedef __kernel_dev_t		dev_t;
+struct ustat {
+};
+typedef unsigned int kdev_t;
+static inline kdev_t to_kdev_t(int dev)
+{
+	int major, minor;
+	major = (dev >> 8);
+	minor = (dev & 0xff);
+	return ((( major ) << 22 ) | (  minor )) ;
+}
+struct super_block {
+};
+struct super_block * get_super (kdev_t dev);
+int sys_ustat(dev_t dev, struct ustat * ubuf)
+{
+        struct super_block *s;
+        s = get_super(to_kdev_t(dev));
+}