From: Ed Schonberg <schonber@gnat.com>
Date: Wed, 27 Oct 2004 13:40:29 +0000 (+0200)
Subject: sem_ch10.adb (Optional_Subunit): If file of expected subunit is empty, post message... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=10b6063358b80caf65dbab1ac0dd3844a3b9a8ac;p=gcc.git

sem_ch10.adb (Optional_Subunit): If file of expected subunit is empty, post message on stub.

2004-10-26  Ed Schonberg  <schonberg@gnat.com>

	* sem_ch10.adb (Optional_Subunit): If file of expected subunit is
	empty, post message on stub.

From-SVN: r89666
---

diff --git a/gcc/ada/sem_ch10.adb b/gcc/ada/sem_ch10.adb
index cbdfbc272d9..b790a936fa8 100644
--- a/gcc/ada/sem_ch10.adb
+++ b/gcc/ada/sem_ch10.adb
@@ -980,7 +980,14 @@ package body Sem_Ch10 is
          then
             Comp_Unit := Cunit (Unum);
 
-            if Nkind (Unit (Comp_Unit)) /= N_Subunit then
+            --  If the file was empty or seriously mangled, the unit
+            --  itself may be missing.
+
+            if No (Unit (Comp_Unit)) then
+               Error_Msg_N
+                 ("subunit does not contain expected proper body", N);
+
+            elsif Nkind (Unit (Comp_Unit)) /= N_Subunit then
                Error_Msg_N
                  ("expected SEPARATE subunit, found child unit",
                   Cunit_Entity (Unum));