[Bug rtl-optimization/50938] x86 alloca adds 15 twice

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50938

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011-10-31
                 CC|                            |ebotcazou at gcc dot
                   |                            |gnu.org
     Ever Confirmed|0                           |1

--- Comment #2 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-10-31 20:40:55 UTC ---
> The code in allocate_dynamic_stack_space in explow.c has become rather
> convoluted and needs to be cleaned up to make this work.  E.g., it does #if
> defined (STACK_POINTER_OFFSET), but defaults.h ensures that
> STACK_POINTER_OFFSET is always defined.

Yep, this is PR middle-end/47353.