[6/8] Add strict volatile handling to bit_field_mode_iterator

[Eric Botcazou]

> OK.  The current recursive force-mem-to-reg cases in store_bit_field_1
> and extract_bit_field_1 don't handle -fstrict-volatile-bitfields at all,
> so this patch was trying to fix what seemed like an oversight.  Is it OK
> to leave the code as-is (not handling -fstrict-volatile-bitfields),
> or do I need to add new code to the expmed.c routines?

The former, I think.

-- 
Eric Botcazou