[lld] r315724 - Simplify. NFC.

[Rafael Espindola via llvm-commits]

Author: rafael
Date: Fri Oct 13 11:18:36 2017
New Revision: 315724

URL: http://llvm.org/viewvc/llvm-project?rev=315724&view=rev
Log:
Simplify. NFC.

Modified:
    lld/trunk/ELF/MarkLive.cpp

Modified: lld/trunk/ELF/MarkLive.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/MarkLive.cpp?rev=315724&r1=315723&r2=315724&view=diff
==============================================================================
--- lld/trunk/ELF/MarkLive.cpp (original)
+++ lld/trunk/ELF/MarkLive.cpp Fri Oct 13 11:18:36 2017
@@ -74,8 +74,8 @@ static void resolveReloc(InputSectionBas
     return;
   }
 
-  if (auto *U = dyn_cast<Undefined>(&B))
-    for (InputSectionBase *Sec : CNamedSections.lookup(U->getName()))
+  if (B.isUndefined())
+    for (InputSectionBase *Sec : CNamedSections.lookup(B.getName()))
       Fn(Sec, 0);
 }