re PR c++/72800 (ICE on invalid C++14 code with initialized lambda capture: tree…

re PR c++/72800 (ICE on invalid C++14 code with initialized lambda capture: tree check: expected class ‘type’, have ‘exceptional’ (error_mark) in add_capture, at cp/lambda.c:505)

/cp
2016-08-04  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/72800
	* lambda.c (add_capture): Check lambda_capture_field_type return
	value for error_mark_node.

/testsuite
2016-08-04  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/72800
	* g++.dg/cpp1y/lambda-ice1.C: New.

From-SVN: r239148

gcc/cp/ChangeLog

+2016-08-04  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/72800
+	* lambda.c (add_capture): Check lambda_capture_field_type return
+	value for error_mark_node.
+
 2016-08-04  Patrick Palka  <ppalka@gcc.gnu.org>
 
 	PR c++/72759

gcc/cp/lambda.c

@@ -492,6 +492,8 @@ add_capture (tree lambda, tree id, tree orig_init, bool by_reference_p,
   else
     {
       type = lambda_capture_field_type (initializer, explicit_init_p);
+      if (type == error_mark_node)
+	return error_mark_node;
       if (by_reference_p)
 	{
 	  type = build_reference_type (type);

gcc/testsuite/ChangeLog

+2016-08-04  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/72800
+	* g++.dg/cpp1y/lambda-ice1.C: New.
+
 2016-08-04  Patrick Palka  <ppalka@gcc.gnu.org>
 
 	PR c++/72759

gcc/testsuite/g++.dg/cpp1y/lambda-ice1.C

+// PR c++/72800
+// { dg-do compile { target c++14 } }
+
+void foo ()
+{
+  [n {}] {};  // { dg-error "one element|deducing" }
+}