[x86] recompute opt flags after opt level change

[Alexandre Oliva]

Hello, Martin,

On Dec 16, 2020, Martin Liška <mliska@suse.cz> wrote:

> On 10/1/19 10:58 AM, Alexandre Oliva wrote:
>> +      if (opts->x_flag_asynchronous_unwind_tables == 2)
>> +	opts->x_flag_unwind_tables
>> +	  = opts->x_flag_asynchronous_unwind_tables = 1;

> Anyway the code seems fishy, shouldn't it be:

>       if (opts->x_flag_asynchronous_unwind_tables == 2)
>         opts->x_flag_unwind_tables
> 	    = opts->x_flag_asynchronous_unwind_tables == 1; <---- '==' instead of '='

No, IIRC the idea was to assign 1 to both fields.

I can't tell for sure because I don't think I wrote this myself, IIRC my
patch just moved it.

-- 
Alexandre Oliva, happy hacker  https://FSFLA.org/blogs/lxo/
   Free Software Activist         GNU Toolchain Engineer
        Vim, Vi, Voltei pro Emacs -- GNUlius Caesar