Fix PR c++/70218 (illegal access to private field succeeds)

gcc/cp/ChangeLog:

	PR c++/70218
	* parser.c (cp_parser_lambda_expression): Move call to
	pop_deferring_access_checks ahead of the call to
	cp_parser_end_tentative_firewall.

gcc/testsuite/ChangeLog:

	PR c++/70218
	* g++.dg/cpp0x/lambda/lambda-70218.C: New test.

From-SVN: r234316

gcc/cp/ChangeLog

+2016-03-18  Patrick Palka  <ppalka@gcc.gnu.org>
+
+	PR c++/70218
+	* parser.c (cp_parser_lambda_expression): Move call to
+	pop_deferring_access_checks ahead of the call to
+	cp_parser_end_tentative_firewall.
+
 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/70144

gcc/cp/parser.c

@@ -9781,8 +9781,6 @@ cp_parser_lambda_expression (cp_parser* parser)
 	= auto_is_implicit_function_template_parm_p;
   }
 
-  pop_deferring_access_checks ();
-
   /* This field is only used during parsing of the lambda.  */
   LAMBDA_EXPR_THIS_CAPTURE (lambda_expr) = NULL_TREE;
 
@@ -9798,6 +9796,8 @@ cp_parser_lambda_expression (cp_parser* parser)
 
   cp_parser_end_tentative_firewall (parser, start, lambda_expr);
 
+  pop_deferring_access_checks ();
+
   return lambda_expr;
 }
 

gcc/testsuite/ChangeLog

+2016-03-18  Patrick Palka  <ppalka@gcc.gnu.org>
+
+	PR c++/70218
+	* g++.dg/cpp0x/lambda/lambda-70218.C: New test.
+
 2016-03-17  Marek Polacek  <polacek@redhat.com>
 
 	PR c/69407

gcc/testsuite/g++.dg/cpp0x/lambda/lambda-70218.C

+// PR c++/70218
+// { dg-do compile { target c++11 } }
+
+struct X {
+private:
+   int i;
+};
+
+struct Y {
+  Y (int) { }
+};
+
+void
+foo ()
+{
+  Y ([] { X x; x.i = 3; return 0; } ()); // { dg-error "private" }
+}