From 3cf8015a4941c43ae82100dc0d998945485d760c Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 25 Aug 2020 16:18:58 +0200
Subject: Fix bug in interaction of unmatch logic with target groups

---
 libbuild2/operation.cxx | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'libbuild2/operation.cxx')

diff --git a/libbuild2/operation.cxx b/libbuild2/operation.cxx
index a14dfb7..1594d8b 100644
--- a/libbuild2/operation.cxx
+++ b/libbuild2/operation.cxx
@@ -442,6 +442,21 @@ namespace build2
     // haven't failed (in which case we could have bailed out early).
     //
     assert (ctx.target_count.load (memory_order_relaxed) == 0);
+
+#ifndef NDEBUG
+    if (ctx.dependency_count.load (memory_order_relaxed) != 0)
+    {
+      diag_record dr;
+      dr << info << "detected unexecuted matched targets:";
+
+      for (const auto& pt: ctx.targets)
+      {
+        const target& t (*pt);
+        if (size_t n = t[a].dependents.load (memory_order_relaxed))
+          dr << text << t << ' ' << n;
+      }
+    }
+#endif
     assert (ctx.dependency_count.load (memory_order_relaxed) == 0);
   }
 
-- 
cgit v1.1