C++ PATCH to add test for c++/89419

[Marek Polacek]

This test was fixed by r269094, a fix for PR88394.

Tested on x86_64-linux, applying to trunk.

2019-02-23  Marek Polacek  <pola...@redhat.com>

        PR c++/89419
        * g++.dg/cpp1y/lambda-generic-89419.C: New test.

diff --git gcc/testsuite/g++.dg/cpp1y/lambda-generic-89419.C 
gcc/testsuite/g++.dg/cpp1y/lambda-generic-89419.C
new file mode 100644
index 00000000000..46ce909f3b8
--- /dev/null
+++ gcc/testsuite/g++.dg/cpp1y/lambda-generic-89419.C
@@ -0,0 +1,24 @@
+// PR c++/89419
+// { dg-do compile { target c++14 } }
+
+struct A;
+struct B {
+  struct C { C (); C (C &); } b;
+};
+struct D { A operator* (); };
+struct A {
+  template <typename T> void foo (T x) { x (this); }
+};
+struct E {
+  auto bar () { return e; }
+  D e;
+};
+struct F { B f; int g; };
+
+int
+main ()
+{
+  E e;
+  auto f = *e.bar ();
+  auto i = [&] { F g; g.g = 1; auto h = [&](auto) { g.g = 0; }; f.foo (h); 
return g; };
+}