Handle BreakNotify for threads whose tid doesn't match the ThreadSpec of the BreakpointSite to avoid asserts when stepping in a multi-threaded application.
Handle BreakNotify for threads whose tid doesn't match the ThreadSpec of the BreakpointSite
to avoid asserts when stepping in a multi-threaded application.

Note: Test to follow shortly.


git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@186190 91177308-0d34-0410-b5e6-96231b3b80d8

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