re PR c++/37288 (ICE using auto as function return type or parameter)

        PR c++/37288
        * pt.c (dependent_type_p): Don't abort on auto outside of a template.

From-SVN: r139811

gcc/cp/ChangeLog

+2008-08-30  Jason Merrill  <jason@redhat.com>
+
+	PR c++/37288
+	* pt.c (dependent_type_p): Don't abort on auto outside of a template.
+
 2008-08-29  Jason Merrill  <jason@redhat.com>
 
 	Implement C++0x 'auto' semantics.

gcc/cp/pt.c

@@ -15892,7 +15892,7 @@ dependent_type_p (tree type)
       /* If we are not processing a template, then nobody should be
 	 providing us with a dependent type.  */
       gcc_assert (type);
-      gcc_assert (TREE_CODE (type) != TEMPLATE_TYPE_PARM);
+      gcc_assert (TREE_CODE (type) != TEMPLATE_TYPE_PARM || is_auto (type));
       return false;
     }
 

gcc/testsuite/g++.dg/cpp0x/auto3.C

@@ -14,3 +14,10 @@ struct A { };
 A<int> A1;
 // CWG issue 625
 A<auto> A2 = A1;		// { dg-error "auto" }
+
+auto foo() { }			// { dg-error "auto" }
+
+void bar(auto i)		// { dg-error "incomplete|auto" }
+{
+  (void)i;
+}