[VFS] remove handling of '..' for now.

This can fail badly if we're overlaying a real file system and there are
symlinks there. Just keep the path as-is for now.

This essentially reverts r249830.

llvm-svn: 250021

1 files changed, 0 insertions, 3 deletions

diff --git a/clang/unittests/Basic/VirtualFileSystemTest.cpp b/clang/unittests/Basic/VirtualFileSystemTest.cpp
index b98e999cd60..6ed811f22f3 100644
--- a/clang/unittests/Basic/VirtualFileSystemTest.cpp
+++ b/clang/unittests/Basic/VirtualFileSystemTest.cpp
@@ -569,7 +569,6 @@ TEST_F(InMemoryFileSystemTest, OverlayFileNoOwn) {
 TEST_F(InMemoryFileSystemTest, OpenFileForRead) {
   FS.addFile("/a", 0, MemoryBuffer::getMemBuffer("a"));
   FS.addFile("././c", 0, MemoryBuffer::getMemBuffer("c"));
-  FS.addFile("./d/../d", 0, MemoryBuffer::getMemBuffer("d"));
   auto File = FS.openFileForRead("/a");
   ASSERT_EQ("a", (*(*File)->getBuffer("ignored"))->getBuffer());
   File = FS.openFileForRead("/a"); // Open again.
@@ -582,8 +581,6 @@ TEST_F(InMemoryFileSystemTest, OpenFileForRead) {
   ASSERT_EQ(File.getError(), errc::no_such_file_or_directory) << FS.toString();
   File = FS.openFileForRead("./c");
   ASSERT_EQ("c", (*(*File)->getBuffer("ignored"))->getBuffer());
-  File = FS.openFileForRead("e/../d");
-  ASSERT_EQ("d", (*(*File)->getBuffer("ignored"))->getBuffer());
 }
 
 TEST_F(InMemoryFileSystemTest, DirectoryIteration) {