Don't remove filters.
Don't remove filters.

It's not valid to remove filters from landingpad instructions, even if we catch
the type. The metadata won't be set up correctly.

Testcase is projects/llvm-test/SingleSource/UnitTests/EH/filter-2.cpp.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@140335 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang