IPA passes are bigger than other passes...

IPA passes are bigger than other passes, so more memory needs to be allocated
for them (and more copied) in make_pass_instance.

From-SVN: r155161

gcc/ChangeLog

+2009-12-11  Duncan Sands  <baldrick@free.fr>
+
+	* passes.c (make_pass_instance): Allocate and copy the right amount of
+	memory for ipa passes, which are not the same size as other passes.
+
 2009-12-11  Joern Rennecke  <amylaar@spamcop.net>
 
 	* plugin.c (get_named_event_id): Fix hash table rebuild to include

gcc/passes.c

@@ -460,8 +460,21 @@ make_pass_instance (struct opt_pass *pass, bool track_duplicates)
     {
       struct opt_pass *new_pass;
 
-      new_pass = XNEW (struct opt_pass);
-      memcpy (new_pass, pass, sizeof (*new_pass));
+      if (pass->type == GIMPLE_PASS
+          || pass->type == RTL_PASS
+          || pass->type == SIMPLE_IPA_PASS)
+        {
+          new_pass = XNEW (struct opt_pass);
+          memcpy (new_pass, pass, sizeof (struct opt_pass));
+        }
+      else if (pass->type == IPA_PASS)
+        {
+          new_pass = (struct opt_pass *)XNEW (struct ipa_opt_pass_d);
+          memcpy (new_pass, pass, sizeof (struct ipa_opt_pass_d));
+        }
+      else
+        gcc_unreachable ();
+
       new_pass->next = NULL;
 
       new_pass->todo_flags_start &= ~TODO_mark_first_instance;