diff --git a/gcc/cp/decl.cc b/gcc/cp/decl.cc
index 4665a29a24d896b5da518892c04a4a8897b8c861..88f283bc4bd898a493ba019986d4043f20ad4c7c 100644
--- a/gcc/cp/decl.cc
+++ b/gcc/cp/decl.cc
@@ -8140,6 +8140,9 @@ cp_finish_decl (tree decl, tree init, bool init_const_expr_p,
 	    d_init = build_x_compound_expr_from_list (d_init, ELK_INIT,
 						      tf_warning_or_error);
 	  d_init = resolve_nondeduced_context (d_init, tf_warning_or_error);
+	  /* Force auto deduction now.  Use tf_none to avoid redundant warnings
+	     on deprecated-14.C.  */
+	  mark_single_function (d_init, tf_none);
 	}
       enum auto_deduction_context adc = adc_variable_type;
       if (DECL_DECOMPOSITION_P (decl))
diff --git a/gcc/testsuite/g++.dg/cpp1y/auto-fn65.C b/gcc/testsuite/g++.dg/cpp1y/auto-fn65.C
new file mode 100644
index 0000000000000000000000000000000000000000..78bb004303bd7655d833b0e3e330ad7d8e71f587
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1y/auto-fn65.C
@@ -0,0 +1,10 @@
+// PR c++/106893
+// { dg-do compile { target c++14 } }
+
+template <typename T>
+struct CoordTraits
+{
+  static auto GetX(T const &p) { return 1; }
+};
+typedef CoordTraits<int> Traits;
+static constexpr auto GetX = Traits::GetX;