* options.c (General_options::finalize): Add check for -static and

-shared.
	* gold.cc (queue_middle_tasks): Assert that list of dynamic objects
	is not empty.

gold/ChangeLog

@@ -1,3 +1,10 @@
+2008-10-07  Cary Coutant  <ccoutant@google.com>
+
+	* options.c (General_options::finalize): Add check for -static and
+	-shared.
+	* gold.cc (queue_middle_tasks): Assert that list of dynamic objects
+	is not empty.
+
 2008-10-02  Cary Coutant  <ccoutant@google.com>
 
 	* plugin.cc (make_sized_plugin_object): Fix conditional

gold/gold.cc

@@ -203,6 +203,7 @@ queue_middle_tasks(const General_options& options,
   if (!doing_static_link && options.is_static())
     {
       // We print out just the first .so we see; there may be others.
+      gold_assert(input_objects->dynobj_begin() != input_objects->dynobj_end());
       gold_error(_("cannot mix -static with dynamic object %s"),
 		 (*input_objects->dynobj_begin())->name().c_str());
     }

gold/options.cc

@@ -792,6 +792,9 @@ General_options::finalize()
   this->add_sysroot();
 
   // Now that we've normalized the options, check for contradictory ones.
+  if (this->shared() && this->is_static())
+    gold_fatal(_("-shared and -static are incompatible"));
+
   if (this->shared() && this->relocatable())
     gold_fatal(_("-shared and -r are incompatible"));