re PR c++/56722 (C++11: syntax error in for loop ends in SEGV)

/cp
2013-03-25  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/56722
	* decl.c (cp_finish_decl): Check DECL_LANG_SPECIFIC before
	DECL_TEMPLATE_INSTANTIATION.

/testsuite
2013-03-25  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/56722
	* g++.dg/cpp0x/range-for23.C: New.

From-SVN: r197062

gcc/cp/ChangeLog

+2013-03-25  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/56722
+	* decl.c (cp_finish_decl): Check DECL_LANG_SPECIFIC before
+	DECL_TEMPLATE_INSTANTIATION.
+
 2013-03-22  Jason Merrill  <jason@redhat.com>
 
 	PR c++/56684

gcc/cp/decl.c

@@ -6111,7 +6111,8 @@ cp_finish_decl (tree decl, tree init, bool init_const_expr_p,
       tree d_init;
       if (init == NULL_TREE)
 	{
-	  if (DECL_TEMPLATE_INSTANTIATION (decl)
+	  if (DECL_LANG_SPECIFIC (decl)
+	      && DECL_TEMPLATE_INSTANTIATION (decl)
 	      && !DECL_TEMPLATE_INSTANTIATED (decl))
 	    {
 	      /* init is null because we're deferring instantiating the

gcc/testsuite/ChangeLog

+2013-03-25  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/56722
+	* g++.dg/cpp0x/range-for23.C: New.
+
 2013-03-25  Tilo Schwarz  <tilo@tilo-schwarz.de>
 
 	PR libfortran/52512

gcc/testsuite/g++.dg/cpp0x/range-for23.C

+// PR c++/56722
+// { dg-do compile { target c++11 } }
+
+int main()
+{
+  for (const auto& i, 21)  // { dg-error "has no initializer|expected" }
+    i;
+}