re PR lto/69337 (Internal compiler error fortran c lto)

2016-01-18  Richard Biener  <rguenther@suse.de>

	PR lto/69337
	* lto-symtab.c (lto_symtab_merge): Return early for mismatched
	function vs. variable.

From-SVN: r232505

gcc/lto/ChangeLog

+2016-01-18  Richard Biener  <rguenther@suse.de>
+
+	PR lto/69337
+	* lto-symtab.c (lto_symtab_merge): Return early for mismatched
+	function vs. variable.
+
 2016-01-12  Richard Biener  <rguenther@suse.de>
 
 	PR lto/69077

gcc/lto/lto-symtab.c

@@ -303,6 +303,9 @@ lto_symtab_merge (symtab_node *prevailing, symtab_node *entry)
   if (prevailing_decl == decl)
     return true;
 
+  if (TREE_CODE (decl) != TREE_CODE (prevailing_decl))
+    return false;
+
   /* Merge decl state in both directions, we may still end up using
      the new decl.  */
   TREE_ADDRESSABLE (prevailing_decl) |= TREE_ADDRESSABLE (decl);