[RFA 2/2] $pdir/../foo: Add support in libthread-db-search-path

[Tom Tromey]

>>>>> "Douglas" == Douglas Evans <dje@google.com> writes:

Douglas> In a 64-cross-32 debugging situation, $pdir in libthread-db-search-path
Douglas> isn't usable, what you really want is $pdir/../lib64.
Douglas> [setting aside lib vs lib32 vs lib64, blech]

Douglas> This set of two patches provides support for this.

Douglas> This second patch contains the core functionality.

Douglas> Ok to check in?

Looks good to me.

Tom