* gcc.c-torture/execute/20020227-1.c: New test.

From-SVN: r50117

gcc/testsuite/gcc.c-torture/execute/20020227-1.c

+/* This testcase failed on mmix-knuth-mmixware.  Problem was with storing
+   to an unaligned mem:SC, gcc tried doing it by parts from a (concat:SC
+   (reg:SF 293) (reg:SF 294)).  */
+
+typedef __complex__ float cf;
+struct x { char c; cf f; } __attribute__ ((__packed__));
+extern void f2 (struct x*);
+extern void f1 (void);
+int
+main (void)
+{
+  f1 ();
+  exit (0);
+}
+
+void
+f1 (void)
+{
+  struct x s;
+  s.f = 1;
+  s.c = 42;
+  f2 (&s);
+}
+
+void
+f2 (struct x *y)
+{
+  if (y->f != 1 || y->c != 42)
+    abort ();
+}