re PR c++/77522 (ICE on invalid code C++14 code: in tsubst_decl, at cp/pt.c:12447)

2018-02-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/77522
	* g++.dg/cpp1y/lambda-init16.C: New.

From-SVN: r257521

gcc/testsuite/ChangeLog

+2018-02-09  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/77522
+	* g++.dg/cpp1y/lambda-init16.C: New.
+
 2018-02-09  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* gnat.dg/sso8.adb: New test.

gcc/testsuite/g++.dg/cpp1y/lambda-init16.C

+// PR c++/77522
+// { dg-do compile { target c++14 } }
+
+template < class T = int > void f (T)
+{
+  auto g = [&a = f] () {};  // { dg-error "invalid initialization" }
+}
+
+int main ()
+{
+  f (0);
+  return 0;
+}