Update docs to drop support for VS 2008.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186961 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/GettingStartedVS.rst b/docs/GettingStartedVS.rst
index a80a9e2..9847c83 100644
--- a/docs/GettingStartedVS.rst
+++ b/docs/GettingStartedVS.rst
@@ -45,13 +45,13 @@
 
 Hardware
 --------
-Any system that can adequately run Visual Studio 2008 is fine. The LLVM
+Any system that can adequately run Visual Studio 2010 is fine. The LLVM
 source tree and object files, libraries and executables will consume
 approximately 3GB.
 
 Software
 --------
-You will need Visual Studio 2008 or higher.  Earlier versions of Visual
+You will need Visual Studio 2010 or higher.  Earlier versions of Visual
 Studio have bugs, are not completely compatible, or do not support the C++
 standard well enough.
 
diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst
index 88c1c05..4b71543 100644
--- a/docs/ReleaseNotes.rst
+++ b/docs/ReleaseNotes.rst
@@ -54,6 +54,10 @@
   has been integrated into the instruction combiner and function attribute
   marking passes.
 
+* Support for building using Visual Studio 2008 has been dropped. Use VS 2010
+  or later instead. For more information, see the `Getting Started using Visual
+  Studio <GettingStartedVS.html>` page).
+
 * ... next change ...
 
 .. NOTE