From bcfcc38538af8bb896551c9e5730767807ad7a67 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 7 Feb 2017 10:05:47 +0200
Subject: Tighten code that operates during both search/match and execute

---
 build2/target.cxx | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'build2/target.cxx')

diff --git a/build2/target.cxx b/build2/target.cxx
index c032028..ad448cb 100644
--- a/build2/target.cxx
+++ b/build2/target.cxx
@@ -304,6 +304,11 @@ namespace build2
 
     if (t == nullptr)
     {
+      // We sometimes call insert() even if we expect to find an existing
+      // target in order to keep the same code (see cc/search_library()).
+      //
+      assert (phase != run_phase::execute);
+
       pair<target*, optional<string>> te (
         tt.factory (
           tt, move (dir), move (out), move (name), move (tk.ext)));
-- 
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