[PATCH] D21970: Add attribute abi_tag to the release notes

[Hans Wennborg via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL276113: Add attribute abi_tag to the release notes (authored by hans).

Changed prior to commit:
  https://reviews.llvm.org/D21970?vs=62673&id=64678#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D21970

Files:
  cfe/branches/release_39/docs/ReleaseNotes.rst

Index: cfe/branches/release_39/docs/ReleaseNotes.rst
===================================================================
--- cfe/branches/release_39/docs/ReleaseNotes.rst
+++ cfe/branches/release_39/docs/ReleaseNotes.rst
@@ -51,6 +51,9 @@
   linkers that is a relatively expensive option. It can be passed explicitly
   with -Wl,--build-id. To have clang always pass it, build clang with
   -DENABLE_LINKER_BUILD_ID.
+- On Itanium ABI targets, attribute abi_tag is now supported for compatibility
+  with GCC. Clang implementation of abi_tag is mostly compatible with GCC ABI
+  version 10.
 
 Improvements to Clang's diagnostics
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^


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