[lld] r298748 - Update comment.

[Rui Ueyama via llvm-commits]

Author: ruiu
Date: Fri Mar 24 18:21:14 2017
New Revision: 298748

URL: http://llvm.org/viewvc/llvm-project?rev=298748&view=rev
Log:
Update comment.

Modified:
    lld/trunk/ELF/Relocations.cpp

Modified: lld/trunk/ELF/Relocations.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/Relocations.cpp?rev=298748&r1=298747&r2=298748&view=diff
==============================================================================
--- lld/trunk/ELF/Relocations.cpp (original)
+++ lld/trunk/ELF/Relocations.cpp Fri Mar 24 18:21:14 2017
@@ -686,8 +686,10 @@ static void scanRelocs(InputSectionBase
       I += Processed;
     }
 
-    // We only report undefined symbols if they are referenced somewhere in the
-    // code.
+    // Report undefined symbols. The fact that we report undefined
+    // symbols here means that we report undefined symbols only when
+    // they have relocations pointing to them. We don't care about
+    // undefined symbols that are in dead-stripped sections.
     if (!Body.isLocal() && Body.isUndefined() && !Body.symbol()->isWeak())
       reportUndefined<ELFT>(Body, C, RI.r_offset);