Hardened the IR interpreter to prevent it from reading non-standard value sizes.
Hardened the IR interpreter to prevent it from
reading non-standard value sizes.

<rdar://problem/14081292>


git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@183448 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-lldb,llvm-mirror/lldb,llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,llvm-mirror/lldb