This patch is part of a consolodation of the hash_table patches to
the cxx-conversion branch for files not under gcc/config.
Update various hash tables from htab_t to hash_table.
Modify types and calls to match.
* var-tracking.c'emit_note_data_def.vars
* var-tracking.c'shared_hash_def.htab
* var-tracking.c'changed_variables
Fold variable_htab_hash, variable_htab_eq, variable_htab_free
into new struct variable_hasher.
Add typedef variable_table_type.
Add typedef variable_iterator_type.
Tested on x86_64.
Index: gcc/ChangeLog
* var-tracking.c (shared_hash_def::htab):
Change type to hash_table. Update dependent calls and types.
2013-04-25 Lawrence Crowl <crowl@google.com>
From-SVN: r198330
