Add new FileCheck feature to 3.4 release notes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194456 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst
index 66b06a0837298e3ead4934ef0899d86f92394f96..c0c36be51d3048cc902b34f35b7b656db55c1d26 100644 (file)
--- a/docs/ReleaseNotes.rst
+++ b/docs/ReleaseNotes.rst
@@ -80,6 +80,9 @@ Non-comprehensive list of changes in this release
 * llvm-ar now uses the new Object library and produces archives and
   symbol tables in the gnu format.
 
+* FileCheck now allows specifing -check-prefix multiple times. This
+  helps reduce duplicate check lines when using multiple RUN lines.
+
 * ... next change ...
 
 .. NOTE