Imported gcc-4.4.3

[msp430-gcc.git] / gcc / testsuite / gcc.dg / 20000906-1.c

diff --git a/gcc/testsuite/gcc.dg/20000906-1.c b/gcc/testsuite/gcc.dg/20000906-1.c
deleted file mode 100644 (file)
index 90d09d4..0000000
--- a/gcc/testsuite/gcc.dg/20000906-1.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/* { dg-do run } */
-
-/* Testcase distilled from glibc's nss_parse_service_list in nss/nsswitch.c
-   It can't be distilled further.  Fails with `-O2' for i[3456]86.  */
-
-/* this simulates a bounded-pointer type.  */
-struct ucharp { unsigned char *v, *l, *h; };
-
-/* this simulates bounded-pointer check prior to pointer dereference.  */
-#define AREF(var, idx) ((((((((var).v+(idx)) < (var).l) \
-                          || (((var).v+(idx)+1) > (var).h))) \
-                         && (__builtin_trap (), 0)), \
-                        (var).v)[(idx)])
-
-struct list
-{
-  struct list *next;
-};
-
-struct list *
-alloc_list (void)
-{
-  static struct list l;
-  return &l;
-}
-
-int one = 1;
-
-void
-foo (struct ucharp cp, struct ucharp lp, struct list **nextp)
-{
-  while (1)
-    {
-      struct list *list;
-      while (AREF (lp, 0) && AREF (cp, AREF (lp, 0)))
-        ++lp.v;
-      list = alloc_list ();
-      while (AREF (cp, AREF (lp, 0)))
-        ++lp.v;
-      if (AREF (lp, 0) == one)
-       do
-         ++lp.v;
-       while (AREF (lp, 0) && AREF (cp, AREF (lp, 0)));
-      /* The above AREF (cp, ...) fails because the pseudo created to
-        hold cp.v holds garbage, having never been set.
-        The easiest way to see the problem is to compile wiht `-O2 -da'
-        then look at *.09.loop.  Search for something like this:
-
-        Hoisted regno 183 r/o from (mem/s:SI (reg:SI 16 argp) 10)
-          Replaced reg 91, deleting init_insn (213).
-
-        Now, look for the use of reg 91, which has no set.  */
-
-      *nextp = list;
-      nextp = &list->next;
-      if (!*lp.v)
-       break;
-    }
-}
-
-extern void exit (int);
-
-int
-main (void)
-{
-  static unsigned char cp0[] = "\0\0\0\0";
-  struct ucharp cp = { cp0, cp0, cp0 + sizeof (cp0) };
-
-  static unsigned char lp0[] = "\1\1\0\0";
-  struct ucharp lp = { lp0, lp0, lp0 + sizeof (lp0) };
-
-  struct list list;
-  struct list *nextp = &list;
-
-  foo (cp, lp, &nextp);
-
-  exit (0);
-}