re PR c++/59271 (a.C:16:21: internal compiler error: in strip_typedefs, at cp/tree.c:1315)

	PR c++/59271
	* lambda.c (build_capture_proxy): Use build_cplus_array_type.

From-SVN: r206193

gcc/cp/ChangeLog

 2013-12-23  Jason Merrill  <jason@redhat.com>
 
+	PR c++/59271
+	* lambda.c (build_capture_proxy): Use build_cplus_array_type.
+
 	PR c++/59349
 	* parser.c (cp_parser_lambda_introducer): Handle empty init.
 

gcc/cp/lambda.c

@@ -377,8 +377,8 @@ build_capture_proxy (tree member)
       tree ptr = build_simple_component_ref (object, field);
       field = next_initializable_field (DECL_CHAIN (field));
       tree max = build_simple_component_ref (object, field);
-      type = build_array_type (TREE_TYPE (TREE_TYPE (ptr)),
-			       build_index_type (max));
+      type = build_cplus_array_type (TREE_TYPE (TREE_TYPE (ptr)),
+				     build_index_type (max));
       type = build_reference_type (type);
       REFERENCE_VLA_OK (type) = true;
       object = convert (type, ptr);

gcc/testsuite/g++.dg/cpp1y/lambda-generic-vla1.C

+// PR c++/59271
+// { dg-options -std=c++1y }
+
+extern "C" int printf (const char *, ...);
+
+void f(int n)
+{
+  int  a[n];
+
+  for (auto& i : a)
+    {
+      i = &i - a;
+    }
+
+  [&a] (auto m)
+    {
+      for (auto i : a)
+	{
+	  printf ("%d", i);
+	}
+
+      return m;
+    };
+}