From 6c3d3f62f8560cbb8d1e983a8dd8cc98266bfe37 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 14 Nov 2018 09:55:52 +0200
Subject: Tweak assert directive diagnostics

---
 build2/parser.cxx | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'build2/parser.cxx')

diff --git a/build2/parser.cxx b/build2/parser.cxx
index c26f0a5..731ef46 100644
--- a/build2/parser.cxx
+++ b/build2/parser.cxx
@@ -1979,10 +1979,11 @@ namespace build2
               : names ());
 
     diag_record dr (fail (al));
-    dr << "assertion failed";
 
-    if (!ns.empty ())
-      dr << ": " << ns;
+    if (ns.empty ())
+      dr << "assertion failed";
+    else
+      dr << ns;
   }
 
   void parser::
-- 
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