llvm::sort(C.begin(), C.end(), ...) -> llvm::sort(C, ...)

Summary: The convenience wrapper in STLExtras is available since rL342102.

Reviewers: rsmith, #clang, dblaikie

Reviewed By: rsmith, #clang

Subscribers: mgrang, arphaman, kadircet, cfe-commits

Differential Revision: https://reviews.llvm.org/D52576

llvm-svn: 343147
diff --git a/clang/unittests/Basic/VirtualFileSystemTest.cpp b/clang/unittests/Basic/VirtualFileSystemTest.cpp
index 7f89d75..83317e5 100644
--- a/clang/unittests/Basic/VirtualFileSystemTest.cpp
+++ b/clang/unittests/Basic/VirtualFileSystemTest.cpp
@@ -553,8 +553,8 @@
   for (DirIter E; !EC && I != E; I.increment(EC))
     InputToCheck.push_back(I->path());
 
-  llvm::sort(InputToCheck.begin(), InputToCheck.end());
-  llvm::sort(Expected.begin(), Expected.end());
+  llvm::sort(InputToCheck);
+  llvm::sort(Expected);
   EXPECT_EQ(InputToCheck.size(), Expected.size());
 
   unsigned LastElt = std::min(InputToCheck.size(), Expected.size());