diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index b422f32e1d3..3c3c4870eda 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,8 @@
+2011-11-04  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Function>: Do not assert
+	that the type of the parameters isn't dummy in type_annotate_only mode.
+
 2011-11-04  Matthew Heaney  <heaney@adacore.com>
 
 	* a-cdlili.ad[sb], a-cidlli.ad[sb], a-coorse.ad[sb], a-ciorse.ad[sb],
diff --git a/gcc/ada/gcc-interface/decl.c b/gcc/ada/gcc-interface/decl.c
index 49434430ecd..d7ca5dbbe6e 100644
--- a/gcc/ada/gcc-interface/decl.c
+++ b/gcc/ada/gcc-interface/decl.c
@@ -4185,7 +4185,8 @@ gnat_to_gnu_entity (Entity_Id gnat_entity, tree gnu_expr, int definition)
 	    /* The failure of this assertion will very likely come from an
 	       order of elaboration issue for the type of the parameter.  */
 	    gcc_assert (kind == E_Subprogram_Type
-			|| !TYPE_IS_DUMMY_P (gnu_param_type));
+			|| !TYPE_IS_DUMMY_P (gnu_param_type)
+			|| type_annotate_only);
 
 	    if (gnu_param)
 	      {
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 24366e971d0..14f3baba745 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2011-11-04  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gnat.dg/specs/private1[-sub].ads: New test.
+
 2011-11-04  Mikael Morin  <mikael@gcc.gnu.org>
 
 	PR fortran/43829
diff --git a/gcc/testsuite/gnat.dg/specs/private1-sub.ads b/gcc/testsuite/gnat.dg/specs/private1-sub.ads
new file mode 100644
index 00000000000..0dcbbd0569c
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/specs/private1-sub.ads
@@ -0,0 +1,13 @@
+-- { dg-do compile }
+-- { dg-options "-gnatct" }
+
+package Private1.Sub is
+
+   package Nested is
+      type T is limited private;
+      function "=" (X, Y : T) return Boolean;
+   private
+      type T is new Private1.T;
+   end Nested;
+
+end Private1.Sub;
diff --git a/gcc/testsuite/gnat.dg/specs/private1.ads b/gcc/testsuite/gnat.dg/specs/private1.ads
new file mode 100644
index 00000000000..4ef06004352
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/specs/private1.ads
@@ -0,0 +1,5 @@
+package Private1 is
+   type T is private;
+private
+   type T is new Boolean;
+end Private1;