commit adad33011f3f5511e5959362fc33003e1e378eb6
author Zachary Turner <zturner@google.com> Thu Mar 08 20:34:47 2018 +0000
committer Zachary Turner <zturner@google.com> Thu Mar 08 20:34:47 2018 +0000
tree e27f8cb286ddea20f07e6d589f2a8e55c72f0eec
parent 373c38a2db3787b60a5d2588922e8b8eac389d17

[Support] Add WriteThroughMemoryBuffer.

This is like MemoryBuffer (read-only) and WritableMemoryBuffer
(writable private), but where the underlying file can be modified
after writing.  This is useful when you want to open a file, make
some targeted edits, and then write it back out.

Differential Revision: https://reviews.llvm.org/D44230

llvm-svn: 327057

llvm/lib/Support/Windows/Path.inc

diff --git a/llvm/lib/Support/Windows/Path.inc b/llvm/lib/Support/Windows/Path.inc
index 58c555d..1fcb759 100644
--- a/llvm/lib/Support/Windows/Path.inc
+++ b/llvm/lib/Support/Windows/Path.inc
@@ -1101,7 +1101,7 @@
   DWORD CreationDisposition;
   if (Flags & F_Excl)
     CreationDisposition = CREATE_NEW;
-  else if (Flags & F_Append)
+  else if ((Flags & F_Append) || (Flags & F_NoTrunc))
     CreationDisposition = OPEN_ALWAYS;
   else
     CreationDisposition = CREATE_ALWAYS;