Reduced testcase of a 252.eon (SPEC2000) problem.

From-SVN: r50204

gcc/testsuite/g++.dg/template/wrap1.C

+// { dg-do compile }
+
+// Copyright (C) 2002 Free Software Foundation, Inc.
+// Contributed by Michael Matz 03 Mar 2002 <matz@suse.de>
+// instance of an actual pattern in 252.eon from SPEC2000
+
+// The last Wrapper<char> once wasn't completed when applying '='.
+
+template <class T>
+class Wrapper {
+  public:
+    Wrapper (T& a);
+    Wrapper (const Wrapper<char>& ref);
+};
+
+template <class T>
+class Element {
+public:
+  T * operator[](int x);
+};
+
+void test()
+{
+  char bla = 42;
+  Element< Wrapper <unsigned char> > elem;
+  elem[1][1] = Wrapper<char> (bla);
+}