Switch TargetInfo to store an llvm::Triple.
 - Primarily to discourage clients form making decisions based on the string.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79901 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHReader.cpp b/lib/Frontend/PCHReader.cpp
index c025fcd..cb008c0 100644
--- a/lib/Frontend/PCHReader.cpp
+++ b/lib/Frontend/PCHReader.cpp
@@ -115,9 +115,9 @@
 }
 
 bool PCHValidator::ReadTargetTriple(const std::string &Triple) {
-  if (Triple != PP.getTargetInfo().getTargetTriple()) {
+  if (Triple != PP.getTargetInfo().getTriple().getTriple()) {
     Reader.Diag(diag::warn_pch_target_triple)
-      << Triple << PP.getTargetInfo().getTargetTriple();
+      << Triple << PP.getTargetInfo().getTriple().getTriple();
     return true;
   }
   return false;