commit 177bbca2742f558ce3ef3de85b7356100104b5b4
author Daniel Dunbar <daniel@zuster.org> Thu Nov 09 09:29:40 2017 -0800
committer GitHub <noreply@github.com> Thu Nov 09 09:29:40 2017 -0800
tree 86fd5de4cbfa6078bee7aee97d7c8c2f8022c001
parent 8d54d1de1a81e3e2a1627f08883990303504a4bb
parent 5c24bb9ed461ff5013b78e279e5bb09570c2a93f

Merge pull request #197 from ddunbar/rdar35403456

[BuildSystem] Fix symlink output value if the output is ever missing.

lib/BuildSystem/BuildSystem.cpp

diff --git a/lib/BuildSystem/BuildSystem.cpp b/lib/BuildSystem/BuildSystem.cpp
index 2a4dfd7..149d437 100644
--- a/lib/BuildSystem/BuildSystem.cpp
+++ b/lib/BuildSystem/BuildSystem.cpp
@@ -2076,7 +2076,10 @@
     // result for the output.
     assert(value.isSuccessfulCommand());
 
-    return BuildValue::makeExistingInput(value.getOutputInfo());
+    auto info = value.getOutputInfo();
+    if (info.isMissing())
+        return BuildValue::makeMissingOutput();
+    return BuildValue::makeExistingInput(info);
   }
 
   virtual bool isResultValid(BuildSystem& system,