PR c++/67054 - Inherited ctor with non-default-constructible members

        PR c++/67054 - Inherited ctor with non-default-constructible members
        * method.c (walk_field_subobs) Consider member initializers (NSDMIs)
	when deducing an inheriting constructor.

From-SVN: r250583

gcc/cp/ChangeLog

+2017-07-26  Leonid Koppel  <lkoppel@uwaterloo.ca>
+
+        PR c++/67054 - Inherited ctor with non-default-constructible members
+        * method.c (walk_field_subobs) Consider member initializers (NSDMIs)
+	when deducing an inheriting constructor.
+
 2017-07-21  Nathan Sidwell  <nathan@acm.org>
 
 	* search.c (lookup_conversion_operator): Return overloads.

gcc/cp/method.c

@@ -1342,7 +1342,7 @@ walk_field_subobs (tree fields, tree fnname, special_function_kind sfk,
 	  if (bad && deleted_p)
 	    *deleted_p = true;
 	}
-      else if (sfk == sfk_constructor)
+      else if (sfk == sfk_constructor || sfk == sfk_inheriting_constructor)
 	{
 	  bool bad;
 

gcc/testsuite/g++.dg/cpp0x/inh-ctor29.C

+// PR c++/67054
+// { dg-do compile { target c++11 } }
+
+struct A
+{
+  A(int) {}
+};
+
+struct C
+{
+  C(int) {}
+};
+
+struct B : A
+{
+  using A::A;
+  C c = 42;
+};
+
+int main()
+{
+  B b = 24;
+}