Add release notes for the removal of the silent include of altivec.h.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@264236 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst
index 814131420747a5a265bccd5b665f10bc1b72154c..922c37e6f0494b4e6de182ed71fa55fca390d4dc 100644 (file)
--- a/docs/ReleaseNotes.rst
+++ b/docs/ReleaseNotes.rst
@@ -79,6 +79,7 @@ TLS is enabled for Cygwin defaults to -femulated-tls.
 
 C Language Changes in Clang
 ---------------------------
+The -faltivec and -maltivec flags no longer silently include altivec.h on Power platforms.
 
 ...