re PR c++/43705 (ICE: SIGSEGV with template specialization in non-namespace scope)

/cp
2010-05-04  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/43705
	* call.c (build_new_method_call): Return error_mark_node if fns is
	NULL_TREE.

/testsuite
2010-05-04  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/43705
	* g++.dg/template/crash95.C: New.

From-SVN: r159029

gcc/cp/ChangeLog

+2010-05-04  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/43705
+	* call.c (build_new_method_call): Return error_mark_node if fns is
+	NULL_TREE.
+
 2010-05-03  Dodji Seketeli  <dodji@redhat.com>
 
 	PR c++/43953

gcc/cp/call.c

@@ -6219,7 +6219,7 @@ build_new_method_call (tree instance, tree fns, VEC(tree,gc) **args,
     *fn_p = NULL_TREE;
 
   if (error_operand_p (instance)
-      || error_operand_p (fns))
+      || !fns || error_operand_p (fns))
     return error_mark_node;
 
   if (!BASELINK_P (fns))

gcc/testsuite/ChangeLog

+2010-05-04  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/43705
+	* g++.dg/template/crash95.C: New.
+
 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR debug/43508

gcc/testsuite/g++.dg/template/crash95.C

+// PR c++/43705
+
+template < typename > struct S
+{
+  template < > struct S < int > // { dg-error "explicit|specialization|template|parameter" }
+  {
+    S(int);
+  };
+};
+
+S < int > s(0);