re PR c++/59349 (ICE on invalid: Segmentation fault toplev.c:336)

	PR c++/59349
	* parser.c (cp_parser_lambda_introducer): Handle empty init.

From-SVN: r206192

gcc/cp/ChangeLog

+2013-12-23  Jason Merrill  <jason@redhat.com>
+
+	PR c++/59349
+	* parser.c (cp_parser_lambda_introducer): Handle empty init.
+
 2013-12-23  Stuart Hastings <stuart@apple.com>
 	    Bill Maddox  <maddox@google.com>
 	    Jason Merrill  <jason@redhat.com>

gcc/cp/parser.c

@@ -8898,6 +8898,11 @@ cp_parser_lambda_introducer (cp_parser* parser, tree lambda_expr)
 	  capture_init_expr = cp_parser_initializer (parser, &direct,
 						     &non_constant);
 	  explicit_init_p = true;
+	  if (capture_init_expr == NULL_TREE)
+	    {
+	      error ("empty initializer for lambda init-capture");
+	      capture_init_expr = error_mark_node;
+	    }
 	}
       else
 	{

gcc/testsuite/g++.dg/cpp1y/lambda-init7.C

+// PR c++/59349
+// { dg-options "-std=c++1y" }
+
+int foo () {
+  [bar()]{};			// { dg-error "empty initializer" }
+}