On i386 we see occasional crashes when the register context is not returning valid registers yet.  Don't crash in these situations.
On i386 we see occasional crashes when the register
context is not returning valid registers yet.  Don't
crash in these situations.

<rdar://problem/11650335>


git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@159885 91177308-0d34-0410-b5e6-96231b3b80d8

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