[Bug rtl-optimization/108681] [13 Regression] gcc hangs compiling opencv/channels_combine.cpp for aarch64

[rsandifo at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108681

rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |rsandifo at gcc dot 
gnu.org
             Status|NEW                         |ASSIGNED

--- Comment #7 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> 
---
(insn 9 7 8 3 (clobber (subreg:V1DI (reg/v:V4x1DI 34 v2 [orig:92 b ] [92]) 24))
"...":10:14 -1
     (nil))

looks suspicious.  I would have expected that to be simplified or
removed by LRA.