[Bug rtl-optimization/46337] dse.c:replace_inc_dec mis-use of gen_int_mode

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46337

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2010.11.07 10:18:15
                 CC|                            |ebotcazou at gcc dot
                   |                            |gnu.org
     Ever Confirmed|0                           |1

--- Comment #2 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2010-11-07 
10:18:15 UTC ---
> Do you have a test case? That would greatly increase the chance of this fix
> being added to the 4.4 branch.

Backporting the fix onto the 4.4 and 4.3 branches is OK, the current code
doesn't make any sense.  But, yes, having a testcase would be better.