re PR middle-end/49373 (Many testcase failures)

	PR middle-end/49373
	* ipa.c (cgraph_externally_visible_p): Check resolution info.

From-SVN: r174972

gcc/ChangeLog

 2011-06-11  Jan Hubicka  <jh@suse.cz>
 
+	PR middle-end/49373
+	* ipa.c (cgraph_externally_visible_p): Check resolution info.
+
+2011-06-11  Jan Hubicka  <jh@suse.cz>
+
 	PR middle-end/48836
 	* ipa-inline-transform.c: Include tree-pass.h
 	(inline_transform): Set TODO_update_ssa_only_virtuals.

gcc/ipa.c

@@ -629,6 +629,8 @@ cgraph_externally_visible_p (struct cgraph_node *node,
   if (TARGET_DLLIMPORT_DECL_ATTRIBUTES
       && lookup_attribute ("dllexport", DECL_ATTRIBUTES (node->decl)))
     return true;
+  if (node->resolution == LDPR_PREVAILING_DEF_IRONLY)
+    return false;
   /* When doing LTO or whole program, we can bring COMDAT functoins static.
      This improves code quality and we know we will duplicate them at most twice
      (in the case that we are not using plugin and link with object file