r271918 - Add a release note about the --build-id change.

[Rafael Espindola via cfe-commits]

Author: rafael
Date: Mon Jun  6 13:23:11 2016
New Revision: 271918

URL: http://llvm.org/viewvc/llvm-project?rev=271918&view=rev
Log:
Add a release note about the --build-id change.

Modified:
    cfe/trunk/docs/ReleaseNotes.rst

Modified: cfe/trunk/docs/ReleaseNotes.rst
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/ReleaseNotes.rst?rev=271918&r1=271917&r2=271918&view=diff
==============================================================================
--- cfe/trunk/docs/ReleaseNotes.rst (original)
+++ cfe/trunk/docs/ReleaseNotes.rst Mon Jun  6 13:23:11 2016
@@ -47,7 +47,10 @@ sections with improvements to Clang's su
 Major New Features
 ------------------
 
-- Feature1...
+- Clang will no longer passes --build-id by default to the linker. In modern
+  linkers that is a relatively expensive option. It can be passed explicitly
+  with -Wl,--build-id. To have clang always pass it, build it with
+  -DENABLE_LINKER_BUILD_ID.
 
 Improvements to Clang's diagnostics
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^