[PATCH] D55322: Mention changes to libc++ include dir lookup in release notes.

[Ilya Biryukov via Phabricator via cfe-commits]

ilya-biryukov created this revision.
ilya-biryukov added a reviewer: arphaman.
Herald added a reviewer: EricWF.

The change itself landed as r348365, see the comment for more details.


Repository:
  rC Clang

https://reviews.llvm.org/D55322

Files:
  docs/ReleaseNotes.rst


Index: docs/ReleaseNotes.rst
===================================================================
--- docs/ReleaseNotes.rst
+++ docs/ReleaseNotes.rst
@@ -120,6 +120,13 @@
   entirely from Clang. The feature did not properly work with about 1/3 of the
   possible tokens available and was unmaintained.
 
+- The internals of libc++ include directory detection on MacOS have changed.
+  Instead of running a search based on the ``-resource-dir`` flag, the search
+  is now based on the path of the compiler in the filesystem. The default
+  behaviour should not change. However, if you override ``-resource-dir``
+  manually and rely on the old behaviour you will need to add appropriate
+  compiler flags for finding the corresponding libc++ include directory.
+
 New Compiler Flags
 ------------------
 


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