[Bug tree-optimization/70754] [5/6/7 Regression] ICE during predictive commoning

["pthaugen at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70754

Pat Haugen <pthaugen at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|aarch64-unknown-linux-gnu   |aarch64-unknown-linux-gnu,
                   |                            |powerpc64*
                 CC|                            |dje.gcc at gmail dot com,
                   |                            |pthaugen at gcc dot gnu.org,
                   |                            |wschmidt at gcc dot gnu.org

--- Comment #4 from Pat Haugen <pthaugen at gcc dot gnu.org> ---
This also occurs on powerpc64/powerpc64le.

pthaugen@genoa:~/temp$ ~/install/gcc/trunk/bin/gfortran -S -O3 -ffast-math
-mcpu=power8 junk.f90
junk.f90:13:0:

   subroutine foo(a)

internal compiler error: in initialize_root_vars, at tree-predcom.c:1452
0x10a047ef initialize_root_vars
        /home/pthaugen/src/gcc/trunk/gcc/gcc/tree-predcom.c:1452
0x10a047ef initialize_root
        /home/pthaugen/src/gcc/trunk/gcc/gcc/tree-predcom.c:1499
0x10a047ef execute_pred_commoning_chain
        /home/pthaugen/src/gcc/trunk/gcc/gcc/tree-predcom.c:1713
0x10a047ef execute_pred_commoning
        /home/pthaugen/src/gcc/trunk/gcc/gcc/tree-predcom.c:1779
0x10a06463 tree_predictive_commoning_loop
        /home/pthaugen/src/gcc/trunk/gcc/gcc/tree-predcom.c:2538
0x10a06463 tree_predictive_commoning()
        /home/pthaugen/src/gcc/trunk/gcc/gcc/tree-predcom.c:2565
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