[Bug target/77483] [6/7 regression] gcc.target/i386/mask-unpack.c etc. FAIL

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77483

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2016-09-05
     Ever confirmed|0                           |1

--- Comment #2 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> A reghunt identified the following patch as the culprit:
> 
> 2016-09-01  Eric Botcazou  <ebotcazou@adacore.com>
> 
> 	* config/i386/i386.c (ix86_option_override_internal): Also disable the
> 	STV pass if -mstackrealign is enabled.
> 
> which makes sense since 32-bit Solaris/x86 enables -mstackrealign by default.

Well, this patch is a workaround for a pass that wreaks serious havoc except on
Linux.  Feel free to come up with a better solution...