Remove useless 'llvm::' qualifier from names like StringRef and others that are
brought into 'clang' namespace by clang/Basic/LLVM.h

llvm-svn: 172323
diff --git a/clang/lib/CodeGen/CGExprConstant.cpp b/clang/lib/CodeGen/CGExprConstant.cpp
index c5f9472..2c107cb 100644
--- a/clang/lib/CodeGen/CGExprConstant.cpp
+++ b/clang/lib/CodeGen/CGExprConstant.cpp
@@ -455,7 +455,7 @@
 
     // Accumulate and sort bases, in order to visit them in address order, which
     // may not be the same as declaration order.
-    llvm::SmallVector<BaseInfo, 8> Bases;
+    SmallVector<BaseInfo, 8> Bases;
     Bases.reserve(CD->getNumBases());
     unsigned BaseNo = 0;
     for (CXXRecordDecl::base_class_const_iterator Base = CD->bases_begin(),