tree-ssa-strlen.c (printf_strlen_execute): Initialize the loop optimizer and SCEV before sizing ssa_ver_to_stridx.

	* tree-ssa-strlen.c (printf_strlen_execute): Initialize
	the loop optimizer and SCEV before sizing ssa_ver_to_stridx.

	* gcc.c-torture/compile/20190827-1.c: New test.

From-SVN: r274975

1 files changed, 104 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/compile/20190827-1.c b/gcc/testsuite/gcc.c-torture/compile/20190827-1.c
new file mode 100644
index 0000000..f095617
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/20190827-1.c
@@ -0,0 +1,104 @@
+typedef unsigned char __u8;
+typedef __u8 u8;
+typedef u8 u_int8_t;
+typedef unsigned int gfp_t;
+
+struct list_head
+{
+  struct list_head *next, *prev;
+};
+extern int strcmp (const char *, const char *);
+enum
+{
+  NFPROTO_UNSPEC = 0,
+  NFPROTO_INET = 1,
+  NFPROTO_IPV4 = 2,
+  NFPROTO_ARP = 3,
+  NFPROTO_NETDEV = 5,
+  NFPROTO_BRIDGE = 7,
+  NFPROTO_IPV6 = 10,
+  NFPROTO_DECNET = 12,
+  NFPROTO_NUMPROTO,
+};
+
+struct xt_target
+{
+  struct list_head list;
+  const char name[29];
+  u_int8_t revision;
+};
+
+struct xt_af
+{
+  struct list_head target;
+};
+
+static struct xt_af *xt;
+
+struct xt_af * kcalloc (int, int, int);
+
+static int
+target_revfn (u8 af, const char *name, u8 revision, int *bestp)
+{
+  const struct xt_target *t;
+  int have_rev = 0;
+
+  for (t = (
+	     {
+	     void *__mptr = (void *)((&xt[af].target)->next);
+	     ((typeof (*t) *) (__mptr -
+			       __builtin_offsetof (typeof (*t), list)));}
+       ); &t->list != (&xt[af].target); t = (
+					      {
+					      void *__mptr =
+					      (void *)((t)->list.next);
+					      ((typeof (*(t)) *) (__mptr -
+								  __builtin_offsetof
+								  (typeof
+								   (*(t)),
+								   list)));}
+       ))
+    {
+      if (strcmp (t->name, name) == 0)
+	{
+	  if (t->revision > *bestp)
+	    *bestp = t->revision;
+	  if (t->revision == revision)
+	    have_rev = 1;
+	}
+    }
+
+  if (af != NFPROTO_UNSPEC && !have_rev)
+    return target_revfn (NFPROTO_UNSPEC, name, revision, bestp);
+
+  return have_rev;
+}
+
+int
+xt_find_revision (u8 af, const char *name, u8 revision, int target, int *err)
+{
+  int have_rev, best = -1;
+
+  have_rev = target_revfn (af, name, revision, &best);
+
+
+  if (best == -1)
+    {
+      *err = -2;
+      return 0;
+    }
+
+}
+
+
+static int __attribute__ ((__section__ (".init.text")))
+  __attribute__ ((__cold__)) xt_init (void)
+{
+  xt =
+    kcalloc (NFPROTO_NUMPROTO, sizeof (struct xt_af),
+	     (((gfp_t) (0x400u | 0x800u)) | ((gfp_t) 0x40u) |
+	      ((gfp_t) 0x80u)));
+}
+
+int init_module (void) __attribute__ ((__copy__ (xt_init)))
+  __attribute__ ((alias ("xt_init")));;