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acc117b57f
Make static the functions add_index_entry, find_slot, and hash_expand, member functions of the mapped_symtab class. Fold an additional snippet of code from write_gdbindex into mapped_symtab::minimize, this code relates to minimisation, so this seems like a good home for it. Make the n_elements, data, and m_string_obstack member variables of mapped_symtab private. Provide a new obstack() member function to provide access to the obstack when needed, and also add member functions begin(), end(), cbegin(), and cend() so that the mapped_symtab class can be treated like a contained and iterated over. I've also taken this opportunity to split out the logic for whether the hash table (m_data) needs expanding, this is the new function hash_needs_expanding. This will be useful in a later commit. There should be no user visible changes after this commit. Approved-By: Tom Tromey <tom@tromey.com>