Handle the case where there is a user breakpoint set at the location of one of our
function call exception catching breakpoints.  We need to force ourselves to stop in
that case.

<rdar://problem/13903801>


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@182056 91177308-0d34-0410-b5e6-96231b3b80d8