[Bug tree-optimization/68625] [6 Regression] Segmentation fault in useless_type_conversion_p

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68625

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2015-12-01
           Assignee|unassigned at gcc dot gnu.org      |rguenth at gcc dot gnu.org
   Target Milestone|---                         |6.0
     Ever confirmed|0                           |1

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
#1  0x0000000000fccbcd in may_propagate_copy (dest=<ssa_name 0x7ffff6a07090>, 
    orig=<ssa_name 0x7ffff6a0a360>)
    at /space/rguenther/src/svn/trunk3/gcc/tree-ssa-propagate.c:1418
1418      if (!useless_type_conversion_p (type_d, type_o))
(gdb) p debug_tree (orig)
 <ssa_name 0x7ffff6a0a360 nothrowdef_stmt 

    version 146 in-free-list>
$2 = void

after copyprop.  I will have a looksee.