From 2d626654ff19b82917656e75cac89047675ed68b Mon Sep 17 00:00:00 2001
From: Tristan Gingold <tgingold@free.fr>
Date: Sat, 29 Dec 2018 07:42:59 +0100
Subject: sem_expr: improve error message.

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

diff --git a/src/vhdl/sem_expr.adb b/src/vhdl/sem_expr.adb
index 7e254583c..f22ccb2b9 100644
--- a/src/vhdl/sem_expr.adb
+++ b/src/vhdl/sem_expr.adb
@@ -3396,10 +3396,14 @@ package body Sem_Expr is
 
             --  GHDL: must be checked for all associations, so do it outside
             --  the above 'if' statement.
+            --  GHDL: improve error message.
             case Get_Kind (El) is
                when Iir_Kind_Choice_By_None
                  | Iir_Kind_Choice_By_Range =>
                   null;
+               when Iir_Kind_Choice_By_Others =>
+                  Error_Msg_Sem
+                    (+El, "expression for 'others' must be an element");
                when others =>
                   Error_Msg_Sem
                     (+El, "positional association or "
-- 
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