Peter Collingbourne ad1196effb Bitcode: Simplify how we enumerate summaries in the index. NFCI.
Instead of defining a custom iterator class, just use a function with a
callback, which is much easier to understand and less error prone.

Differential Revision: https://reviews.llvm.org/D32470

llvm-svn: 301942
2017-05-02 17:48:39 +00:00
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2017-05-01 22:48:10 +00:00