Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 26 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/g++.dg/cpp1y/lambda-generic-xcfun.C b/gcc-4.9/gcc/testsuite/g++.dg/cpp1y/lambda-generic-xcfun.C
new file mode 100644
index 000000000..fbd74220d
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/cpp1y/lambda-generic-xcfun.C
@@ -0,0 +1,26 @@
+// Explicit generic lambda conversion to function ptr test from N3690 5.1.2.6
+// { dg-do compile { target c++1y } }
+// { dg-options "" }
+
+void f1(int (*)(int)) { }
+void f2(char (*)(int)) { }
+void g(int (*)(int)) { } // #1
+void g(char (*)(char)) { } // #2
+void h(int (*)(int)) { } // #3
+void h(char (*)(int)) { } // #4
+
+int main()
+{
+  auto glambda = [] <typename T> (T a) { return a; };
+  int (*fp)(int) = glambda;
+  f1(glambda); // OK
+  f2(glambda); // { dg-error "invalid user-defined conversion" }
+  g(glambda); // { dg-error "ambiguous" }
+  h(glambda); // OK: calls #3 since it is convertible from ID
+  int& (*fpi)(int*) = [] <typename T> (T* a) -> auto& { return *a; }; // OK
+
+  auto GL = [] <typename T> (T a) { return a; };
+  int (*GL_int)(int) = GL; // OK: through conversion function template
+  GL_int(3);
+}
+