re PR c++/24277 (Boost causes ICE in build_c_cast, at cp/typeck.c:5231)

	PR c++/24277
	* pt.c (instantiate_decl): Call finish_static_data_member_decl for
	static data members.
	PR c++/24277
	* g++.dg/template/static20.C: New test.

From-SVN: r105228

gcc/cp/pt.c

@@ -11558,13 +11558,19 @@ instantiate_decl (tree d, int defer_ok,
 	  && !DECL_INITIAL (d) 
 	  && DECL_INITIAL (code_pattern))
 	{
-	  tree ns = decl_namespace_context (d);
+	  tree ns;
+	  tree init;
+
+	  ns = decl_namespace_context (d);
 	  push_nested_namespace (ns);
 	  push_nested_class (DECL_CONTEXT (d));
-	  DECL_INITIAL (d)
-	    = tsubst_expr (DECL_INITIAL (code_pattern), 
-			   args,
-			   tf_error | tf_warning, NULL_TREE);
+	  init = tsubst_expr (DECL_INITIAL (code_pattern), 
+			      args,
+			      tf_error | tf_warning, NULL_TREE);
+	  DECL_INITIAL (d) = NULL_TREE;
+	  finish_static_data_member_decl (d, init, 
+					  /*asmspec_tree=*/NULL_TREE,
+					  LOOKUP_ONLYCONVERTING);
 	  pop_nested_class ();
 	  pop_nested_namespace (ns);
 	}

gcc/testsuite/ChangeLog

 2005-10-10  Mark Mitchell  <mark@codesourcery.com>
 
+	PR c++/24277
+	* g++.dg/template/static20.C: New test.
+
 	PR c++/24302
 	* g++.dg/warn/Wunused-12.C: New test.
 

gcc/testsuite/g++.dg/template/static20.C

+// PR c++/24277
+
+template< int Bits > struct uint_t {
+  typedef unsigned short fast;
+};
+template < int Bits > struct mask_uint_t {
+  typedef typename uint_t< Bits >::fast fast;
+  static const fast sig_bits = 1;
+  static const fast sig_bits_fast = fast(sig_bits);
+};
+template < int Bits> int checksum ( ) {
+  return 1 & mask_uint_t<Bits>::sig_bits_fast;
+}
+int i = checksum<1>();