Create a proper target machine for PNaCl.

lib/LTO/LTOModule.cpp

Index: lib/LTO/LTOModule.cpp
diff --git a/lib/LTO/LTOModule.cpp b/lib/LTO/LTOModule.cpp
index d41306fbc61b4721b0a7fc475cfb9044d0d01065..bdb79f9c04c30ed8a6fe0bd3c5f09df4d7fb52bc 100644
--- a/lib/LTO/LTOModule.cpp
+++ b/lib/LTO/LTOModule.cpp
@@ -205,13 +205,7 @@ LTOModule *LTOModule::makeLTOModule(MemoryBufferRef Buffer,
     return nullptr;
 
   std::string TripleStr = M->getTargetTriple();
-  // @LOCALMOD-BEGIN
-  // Pretend that we are ARM for name mangling and assembly conventions.
-  // https://code.google.com/p/nativeclient/issues/detail?id=2554
-  if (TripleStr == "le32-unknown-nacl") {
-    TripleStr = "armv7a-none-nacl-gnueabi";
-  }
-  // @LOCALMOD-END
+
   if (TripleStr.empty())
     TripleStr = sys::getDefaultTargetTriple();
   llvm::Triple Triple(TripleStr);