commit 402489b5d71b17b5731e30d85c5b2082004cee14
author Akira Hatanaka <ahatanaka@apple.com> Mon Oct 24 21:45:54 2016 +0000
committer Akira Hatanaka <ahatanaka@apple.com> Mon Oct 24 14:57:42 2016 -0700
tree e5eddbf75ce80752a9585dcec8297eeb2353a542
parent a90ee0822d166c13528d4f1eba5e7b0a9b1f7c36

[Sema][ObjC] Warn about implicitly autoreleasing out-parameters captured
by blocks.

Add a new warning "-Wblock-capture-autoreleasing". The warning warns
about implicitly autoreleasing out-parameters captured by blocks which
can introduce use-after-free bugs that are hard to debug.

rdar://problem/15377548

Differential Revision: https://reviews.llvm.org/D25844

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@285031 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit eacb0a676c9bf88167434f9b1f024f3f67bd5319)