For PR789:
Make the sys::Path::getFileStatus function more efficient by having it
return a pointer to the FileStatus structure rather than copy it. Adjust
uses of the function accordingly. Also, fix some memory issues in sys::Path.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35476 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Archive/ArchiveWriter.cpp b/lib/Archive/ArchiveWriter.cpp
index 9d5b025..fc85374 100644
--- a/lib/Archive/ArchiveWriter.cpp
+++ b/lib/Archive/ArchiveWriter.cpp
@@ -163,7 +163,10 @@
 
   mbr->data = 0;
   mbr->path = filePath;
-  if (mbr->path.getFileStatus(mbr->info, false, ErrMsg))
+  const sys::FileStatus *FSInfo = mbr->path.getFileStatus(false, ErrMsg);
+  if (FSInfo)
+    mbr->info = *FSInfo;
+  else
     return true;
 
   unsigned flags = 0;