Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/unittests/ADT/PostOrderIteratorTest.cpp

@@ -1,37 +0,0 @@
-//===- PostOrderIteratorTest.cpp - PostOrderIterator unit tests -----------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-#include "llvm/ADT/PostOrderIterator.h"
-#include "llvm/IR/BasicBlock.h"
-#include "llvm/IR/CFG.h"
-#include "gtest/gtest.h"
-using namespace llvm;
-
-namespace {
-
-// Whether we're able to compile
-TEST(PostOrderIteratorTest, Compiles) {
-  typedef SmallPtrSet<void *, 4> ExtSetTy;
-
-  // Tests that template specializations are kept up to date
-  void *Null = nullptr;
-  po_iterator_storage<std::set<void *>, false> PIS;
-  PIS.insertEdge(Optional<void *>(), Null);
-  ExtSetTy Ext;
-  po_iterator_storage<ExtSetTy, true> PISExt(Ext);
-  PIS.insertEdge(Optional<void *>(), Null);
-
-  // Test above, but going through po_iterator (which inherits from template
-  // base)
-  BasicBlock *NullBB = nullptr;
-  auto PI = po_end(NullBB);
-  PI.insertEdge(Optional<BasicBlock *>(), NullBB);
-  auto PIExt = po_ext_end(NullBB, Ext);
-  PIExt.insertEdge(Optional<BasicBlock *>(), NullBB);
-}
-}