re PR c++/81032 (ICE with lambda and broken constexpr)

2017-10-10  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/81032
	* g++.dg/cpp1y/lambda-generic-ice6.C: New.

From-SVN: r253619

gcc/testsuite/ChangeLog

+2017-10-10  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/81032
+	* g++.dg/cpp1y/lambda-generic-ice6.C: New.
+
 2017-10-10  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/68205

gcc/testsuite/g++.dg/cpp1y/lambda-generic-ice6.C

+// PR c++/81032
+// { dg-do compile { target c++14 } }
+
+template<typename T> constexpr void foo(T t)
+{
+  constexpr int i = t;  // { dg-error "constant" }
+  [=](auto){ return i; }(0);
+}
+
+void bar()
+{
+  foo(0);
+}