When initializing a catch variable in ARC, be sure to emit retains
or whatever else is required for the initialization instead of
assuming it can be done with a simple store.

Fixes PR11732.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148325 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed