re PR c++/30659 (ICE in undefined template)

cp/
2007-10-28  Paolo Carlini  <pcarlini@suse.de>
	    Mark Mitchell  <mark@codesourcery.com>

	PR c++/30659
	* pt.c (do_decl_instantiation): If the VAR_DECL is not a
	class member error out and return.

testsuite/
2007-10-28  Paolo Carlini  <pcarlini@suse.de>
	    Mark Mitchell  <mark@codesourcery.com>

	PR c++/30659
	* g++.dg/template/crash71.C: New.

Co-Authored-By: Mark Mitchell <mark@codesourcery.com>

From-SVN: r129710

gcc/cp/ChangeLog

+2007-10-28  Paolo Carlini  <pcarlini@suse.de>
+	    Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/30659
+	* pt.c (do_decl_instantiation): If the VAR_DECL is not a
+	class member error out and return.
+
 2007-10-27  Jakub Jelinek  <jakub@redhat.com>
 
 	* error.c (reinit_cxx_pp): Initialize cxx_pp->enclosing_scope

gcc/cp/pt.c

@@ -13882,6 +13882,11 @@ do_decl_instantiation (tree decl, tree storage)
 	 VAR_DECLs so we do the lookup here.  Probably, grokdeclarator
 	 should handle VAR_DECLs as it currently handles
 	 FUNCTION_DECLs.  */
+      if (!DECL_CLASS_SCOPE_P (decl))
+	{
+	  error ("%qD is not a static data member of a class template", decl);
+	  return;
+	}
       result = lookup_field (DECL_CONTEXT (decl), DECL_NAME (decl), 0, false);
       if (!result || TREE_CODE (result) != VAR_DECL)
 	{

gcc/testsuite/ChangeLog

+2007-10-28  Paolo Carlini  <pcarlini@suse.de>
+	    Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/30659
+	* g++.dg/template/crash71.C: New.
+
 2007-10-28  Tobias Schlter  <tobi@gcc.gnu.org>
 
 	PR fortran/32147

gcc/testsuite/g++.dg/template/crash71.C

+// PR c++/30659
+
+extern "C" template A<char> foo(); // { dg-error "forbids|static data|expected" }