gcc/ChangeLog:
* pass_manager.h (pass_manager::register_pass_name): New method.
(pass_manager::get_pass_by_name): New method.
(pass_manager::create_pass_tab): New method.
(pass_manager::m_name_to_pass_map): New field.
* passes.c (name_to_pass_map): Delete global in favor of field
"m_name_to_pass_map" of pass_manager.
(register_pass_name): Rename from a function to...
(pass_manager::register_pass_name): ...this method, updating
for renaming of global "name_to_pass_map" to field
"m_name_to_pass_map".
(create_pass_tab): Rename from a function to...
(pass_manager::create_pass_tab): ...this method, updating
for renaming of global "name_to_pass_map" to field.
(get_pass_by_name): Rename from a function to...
(pass_manager::get_pass_by_name): ...this method.
(enable_disable_pass): Convert use of get_pass_by_name to
a method call, locating the pass_manager singleton.
From-SVN: r235977
