diff --git a/gcc/cp/call.cc b/gcc/cp/call.cc
index b55230d98aa..673ec91d60e 100644
--- a/gcc/cp/call.cc
+++ b/gcc/cp/call.cc
@@ -2059,15 +2059,18 @@ implicit_conversion_1 (tree to, tree from, tree expr, bool c_cast_p,
   complain &= ~tf_error;
 
   /* Call reshape_init early to remove redundant braces.  */
-  if (expr && BRACE_ENCLOSED_INITIALIZER_P (expr)
-      && CLASS_TYPE_P (to)
-      && COMPLETE_TYPE_P (complete_type (to))
-      && !CLASSTYPE_NON_AGGREGATE (to))
+  if (expr && BRACE_ENCLOSED_INITIALIZER_P (expr) && CLASS_TYPE_P (to))
     {
-      expr = reshape_init (to, expr, complain);
-      if (expr == error_mark_node)
-	return NULL;
-      from = TREE_TYPE (expr);
+      to = complete_type (to);
+      if (!COMPLETE_TYPE_P (to))
+	return nullptr;
+      if (!CLASSTYPE_NON_AGGREGATE (to))
+	{
+	  expr = reshape_init (to, expr, complain);
+	  if (expr == error_mark_node)
+	    return nullptr;
+	  from = TREE_TYPE (expr);
+	}
     }
 
   if (TYPE_REF_P (to))
diff --git a/gcc/testsuite/g++.dg/cpp0x/initlist100.C b/gcc/testsuite/g++.dg/cpp0x/initlist100.C
index 9d80a004c17..6865d34a6f9 100644
--- a/gcc/testsuite/g++.dg/cpp0x/initlist100.C
+++ b/gcc/testsuite/g++.dg/cpp0x/initlist100.C
@@ -2,9 +2,9 @@
 // { dg-do compile { target c++11 } }
 
 namespace std {
-template <class> class initializer_list;  // { dg-message "declaration" }
+template <class> class initializer_list;
 }
 
 template <typename T> struct B { B (std::initializer_list<T>); };
 struct C { virtual int foo (); };
-struct D : C {} d { B<C> { D {} } };  // { dg-error "incomplete|no matching" }
+struct D : C {} d { B<C> { D {} } };  // { dg-error "no matching" }
diff --git a/gcc/testsuite/g++.dg/cpp2a/desig28.C b/gcc/testsuite/g++.dg/cpp2a/desig28.C
new file mode 100644
index 00000000000..b63265fea51
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp2a/desig28.C
@@ -0,0 +1,17 @@
+// PR c++/110114
+// { dg-do compile { target c++20 } }
+
+struct A {
+    int a,b;
+};
+
+struct B;
+
+void foo(const A &) {}
+void foo(const B &) {}
+
+int
+main ()
+{
+  foo({.a=0});
+}
diff --git a/gcc/testsuite/g++.dg/cpp2a/desig29.C b/gcc/testsuite/g++.dg/cpp2a/desig29.C
new file mode 100644
index 00000000000..bd1a82b041d
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp2a/desig29.C
@@ -0,0 +1,10 @@
+// PR c++/110114
+// { dg-do compile { target c++20 } }
+
+struct B;
+
+void foo(const B &) {}
+
+int main() {
+    foo({.a=0}); // { dg-error "invalid" }
+}