New Defaults

The +objdebug compile-line option is off by default. That is, +noobjdebug is the default.

The +W option is off by default. That is, warnings are enabled.

The +We option is off by default. That is, warnings are not treated as errors.

The +Ww option is off by default. That is, only warnings indicating that code generation might be affected are issued.

The +Oreusedir option is off by default. That is, intermediate object files are not saved between links and are recompiled to object files at every link.

The +Olevel=name option is off by default. That is, without this option, all functions are compiled at the level specified by the -O option or the ordinary +Olevel option.

The +O[no]promote_indirect_calls option is off by default. That is, +Onopromote_indirect_calls is the default.