re PR c++/67238 ([C++11][C++14]cc1plus crash for nested decltype expression in…

re PR c++/67238 ([C++11][C++14]cc1plus crash for nested decltype expression in parameter pack in trailing return type when '-g' enabled)

2015-11-26  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/67238
	* g++.dg/cpp0x/pr67238.C: New.

From-SVN: r230981

gcc/testsuite/ChangeLog

+2015-11-26  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/67238
+	* g++.dg/cpp0x/pr67238.C: New.
+
 2015-11-26  Martin Sebor  <msebor@redhat.com>
 
 	* g++.dg/pr67876.C: Remove duplicate content.

gcc/testsuite/g++.dg/cpp0x/pr67238.C

+// { dg-do compile { target c++11 } }
+// { dg-options "-g" }
+
+template<class F, class... A>
+void
+g(F&&, A&&...)
+{}
+
+template<class... A>
+auto
+h(A&&... a) -> decltype(g(0, g<decltype(a)>(a)...))
+{
+  return g([]{}, a...);
+}
+
+int
+main()
+{
+  h();
+}