From a60da308bfcc003fd07d2b7d848ccb8d166e472a Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 11 Apr 2016 14:38:00 +0200
Subject: Redo config inheritance logic

---
 build2/diagnostics | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'build2/diagnostics')

diff --git a/build2/diagnostics b/build2/diagnostics
index ffb24ff..c0ba6ec 100644
--- a/build2/diagnostics
+++ b/build2/diagnostics
@@ -280,10 +280,11 @@ namespace build2
   class location
   {
   public:
-    // Note that location maintains a shallow reference to path.
+    // Note that location maintains a shallow reference to path. Zero lines
+    // or columns are not printed.
     //
     location (): file (nullptr), line (0), column (0) {}
-    location (const path* f, uint64_t l, uint64_t c)
+    location (const path* f, uint64_t l = 0, uint64_t c = 0)
         : file (f), line (l), column (c) {}
 
     const path* file;
-- 
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