re PR c++/53882 (ICE in type_contains_placeholder_1, at tree.c:3015)

	PR c++/53882
	* tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
	(type_hash_eq): Likewise.

From-SVN: r189386

gcc/ChangeLog

+2012-07-09  Jason Merrill  <jason@redhat.com>
+
+	PR c++/53882
+	* tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
+	(type_hash_eq): Likewise.
+
 2012-07-09  Tom de Vries  <tom@codesourcery.com>
 	    Richard Guenther  <rguenther@suse.de>
 

gcc/testsuite/ChangeLog

+2012-07-09  Jason Merrill  <jason@redhat.com>
+
+	PR c++/53882
+	* g++.dg/cpp0x/nullptr29.C: New.
+
 2012-07-09  Tom de Vries  <tom@codesourcery.com>
 	    Richard Guenther  <rguenther@suse.de>
 

gcc/testsuite/g++.dg/cpp0x/nullptr29.C

+// PR c++/53882
+// { dg-options "-std=gnu++11 -O" }
+
+void f(decltype(nullptr) &__restrict np) { }

gcc/tree.c

@@ -2980,6 +2980,7 @@ type_contains_placeholder_1 (const_tree type)
     case METHOD_TYPE:
     case FUNCTION_TYPE:
     case VECTOR_TYPE:
+    case NULLPTR_TYPE:
       return false;
 
     case INTEGER_TYPE:
@@ -6188,6 +6189,7 @@ type_hash_eq (const void *va, const void *vb)
     case COMPLEX_TYPE:
     case POINTER_TYPE:
     case REFERENCE_TYPE:
+    case NULLPTR_TYPE:
       return 1;
 
     case VECTOR_TYPE: