Remove unnecessary variables by folding calls into for loop header. NFC.

llvm-svn: 237090
diff --git a/llvm/lib/TableGen/Record.cpp b/llvm/lib/TableGen/Record.cpp
index 79b4e33..29a1aa4 100644
--- a/llvm/lib/TableGen/Record.cpp
+++ b/llvm/lib/TableGen/Record.cpp
@@ -1903,13 +1903,11 @@
 
 raw_ostream &llvm::operator<<(raw_ostream &OS, const RecordKeeper &RK) {
   OS << "------------- Classes -----------------\n";
-  const auto &Classes = RK.getClasses();
-  for (const auto &C : Classes)
+  for (const auto &C : RK.getClasses())
     OS << "class " << *C.second;
 
   OS << "------------- Defs -----------------\n";
-  const auto &Defs = RK.getDefs();
-  for (const auto &D : Defs)
+  for (const auto &D : RK.getDefs())
     OS << "def " << *D.second;
   return OS;
 }