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This changes ada_catchpoint::excep_string to be a std::string and then fixes up all t he users. This found a memory leak in catch_ada_exception_command_split, where "cond" was copied but never freed. I changed the type of the "cond_string" argument to catch_ada_exception_command_split to follow the rule that out parameters should be pointers and not references. This patch enables the removal of some cleanups and also the function ada_get_next_arg. ChangeLog 2018-05-21 Tom Tromey <tom@tromey.com> * mi/mi-cmd-catch.c (mi_cmd_catch_assert) (mi_cmd_catch_exception, mi_cmd_catch_handlers): Update. * ada-lang.h (create_ada_exception_catchpoint): Update. * ada-lang.c (struct ada_catchpoint) <excep_string>: Now a std::string. (create_excep_cond_exprs, ~ada_catchpoint) (should_stop_exception, print_one_exception) (print_mention_exception, print_recreate_exception): Update. (ada_get_next_arg): Remove. (catch_ada_exception_command_split): Use std::string. Change type of "excep_string", "cond_string". (catch_ada_exception_command): Update. (create_ada_exception_catchpoint): Change type of excep_string. (ada_exception_sal): Remove excep_string parameter. (~ada_catchpoint): Remove.