From f62a2c0b0c0c281c7c9e5cb06635b2bd48d400ff Mon Sep 17 00:00:00 2001
From: Tristan Gingold <tgingold@free.fr>
Date: Sat, 10 Oct 2020 15:50:54 +0200
Subject: vhdl-sem_scopes: avoid a crash on invalid selected name.  Fix #1490

---
 src/vhdl/vhdl-sem_scopes.adb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/vhdl/vhdl-sem_scopes.adb b/src/vhdl/vhdl-sem_scopes.adb
index e4288341b..6e761edda 100644
--- a/src/vhdl/vhdl-sem_scopes.adb
+++ b/src/vhdl/vhdl-sem_scopes.adb
@@ -1481,6 +1481,10 @@ package body Vhdl.Sem_Scopes is
    is
       Nname : Iir;
    begin
+      if Name = Null_Iir then
+         return;
+      end if;
+
       case Get_Kind (Name) is
          when Iir_Kind_Overload_List =>
             Add_Declarations_List (Get_Overload_List (Name), True);
-- 
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