cache for symbol lookup

[Ulrich Drepper]

Andreas Jaeger <aj@suse.de> writes:

> Since Jakub's patch for sorting of relocations in binutils has been
> approved, I've updated his patch for caching symbol lookup.
> 
> Ok to commit?

One more change: create two cache variables.  One for the versioned
looked, one for the unversioned.  Since the versioned functions are
never called with version==NULL this will eliminate one test and one
assignment in each of the unversioned functions.

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