[lld] r205579 - Update comment.

[Rui Ueyama]

Author: ruiu
Date: Thu Apr  3 17:58:41 2014
New Revision: 205579

URL: http://llvm.org/viewvc/llvm-project?rev=205579&view=rev
Log:
Update comment.

Modified:
    lld/trunk/lib/Core/SymbolTable.cpp

Modified: lld/trunk/lib/Core/SymbolTable.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/lib/Core/SymbolTable.cpp?rev=205579&r1=205578&r2=205579&view=diff
==============================================================================
--- lld/trunk/lib/Core/SymbolTable.cpp (original)
+++ lld/trunk/lib/Core/SymbolTable.cpp Thu Apr  3 17:58:41 2014
@@ -378,11 +378,12 @@ void SymbolTable::addReplacement(const A
 }
 
 const Atom *SymbolTable::replacement(const Atom *atom) {
+  // Find the replacement for a given atom. Atoms in _replacedAtoms
+  // may be chained, so find the last one.
   for (;;) {
     AtomToAtom::iterator pos = _replacedAtoms.find(atom);
     if (pos == _replacedAtoms.end())
       return atom;
-    // might be chain, recurse to end
     atom = pos->second;
   }
 }