re PR c++/59991 (Recursive lambda capture in C++1y constexpr function template…

re PR c++/59991 (Recursive lambda capture in C++1y constexpr function template causes internal compiler error)

2017-10-02  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/59991
	* g++.dg/cpp0x/lambda/lambda-ice23.C: New.

From-SVN: r253339

gcc/testsuite/ChangeLog

+2017-10-02  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/59991
+	* g++.dg/cpp0x/lambda/lambda-ice23.C: New.
+
 2017-10-02  Tom de Vries  <tom@codesourcery.com>
 
 	* gcc.c-torture/compile/pr82337.c: Add

gcc/testsuite/g++.dg/cpp0x/lambda/lambda-ice23.C

+// PR c++/59991
+// { dg-do compile { target c++11 } }
+
+template <typename T>
+constexpr int r(T x) {
+  auto f = [r,x]() { return r(x); }; // { dg-error "incomplete type" }
+  return 0;
+}
+
+int main()
+{
+  r(0);
+}