[lld] r267260 - Add more comment.

[Rui Ueyama via llvm-commits]

Author: ruiu
Date: Fri Apr 22 20:10:13 2016
New Revision: 267260

URL: http://llvm.org/viewvc/llvm-project?rev=267260&view=rev
Log:
Add more comment.

Modified:
    lld/trunk/ELF/SymbolTable.cpp

Modified: lld/trunk/ELF/SymbolTable.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/SymbolTable.cpp?rev=267260&r1=267259&r2=267260&view=diff
==============================================================================
--- lld/trunk/ELF/SymbolTable.cpp (original)
+++ lld/trunk/ELF/SymbolTable.cpp Fri Apr 22 20:10:13 2016
@@ -209,6 +209,7 @@ template <class ELFT> void SymbolTable<E
 
 // Returns a file from which symbol B was created.
 // If B does not belong to any file, returns a nullptr.
+// This function is slow, but it's okay as it is used only for error messages.
 template <class ELFT> InputFile *SymbolTable<ELFT>::findFile(SymbolBody *B) {
   for (const std::unique_ptr<ObjectFile<ELFT>> &F : ObjectFiles) {
     ArrayRef<SymbolBody *> Syms = F->getSymbols();