re PR c++/54858 (ICE in cp_tree_equal)

	PR c++/54858
	* tree.c (cp_tree_equal): Handle FIELD_DECL.

	* g++.dg/template/pr54858.C: New test.

From-SVN: r192220

gcc/cp/ChangeLog

+2012-10-08  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/54858
+	* tree.c (cp_tree_equal): Handle FIELD_DECL.
+
 2012-10-08  Jason Merrill  <jason@redhat.com>
 
 	Allow dynamic initialization of thread_locals.

gcc/cp/tree.c

@@ -2559,6 +2559,7 @@ cp_tree_equal (tree t1, tree t2)
 
     case VAR_DECL:
     case CONST_DECL:
+    case FIELD_DECL:
     case FUNCTION_DECL:
     case TEMPLATE_DECL:
     case IDENTIFIER_NODE:

gcc/testsuite/ChangeLog

+2012-10-08  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/54858
+	* g++.dg/template/pr54858.C: New test.
+
 2012-10-08  Dehao Chen  <dehao@google.com>
 
 	* g++.dg/predict-loop-exit-1.C: New.

gcc/testsuite/g++.dg/template/pr54858.C

+// PR c++/54858
+// { dg-do compile }
+
+template <int> struct A {};
+template <typename T, T *> struct B {};
+template <typename D> struct C
+{
+  A<0> c0; B<A<0>, &C::c0> d0;	// { dg-error "could not convert template argument" }
+  A<0> c1; B<A<0>, &C::c1> d1;	// { dg-error "could not convert template argument" }
+  A<0> c2; B<A<0>, &C::c2> d2;	// { dg-error "could not convert template argument" }
+  A<0> c3; B<A<0>, &C::c3> d3;	// { dg-error "could not convert template argument" }
+  A<0> c4; B<A<0>, &C::c4> d4;	// { dg-error "could not convert template argument" }
+  A<0> c5; B<A<0>, &C::c5> d5;	// { dg-error "could not convert template argument" }
+  A<0> c6; B<A<0>, &C::c6> d6;	// { dg-error "could not convert template argument" }
+  A<0> c7; B<A<0>, &C::c7> d7;	// { dg-error "could not convert template argument" }
+  A<0> c8; B<A<0>, &C::c8> d8;	// { dg-error "could not convert template argument" }
+  A<0> c9; B<A<0>, &C::c9> d9;	// { dg-error "could not convert template argument" }
+  A<0> ca; B<A<0>, &C::ca> da;	// { dg-error "could not convert template argument" }
+  A<0> cb; B<A<0>, &C::cb> db;	// { dg-error "could not convert template argument" }
+};
+C<int> e;