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[Bug tree-optimization/71351] [7 Regression] ICE: Segmentation fault
- From: "Joost.VandeVondele at mat dot ethz.ch" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 31 May 2016 07:15:23 +0000
- Subject: [Bug tree-optimization/71351] [7 Regression] ICE: Segmentation fault
- Auto-submitted: auto-generated
- References: <bug-71351-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71351
Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |Joost.VandeVondele at mat dot ethz
| |.ch
--- Comment #2 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> ---
simplified:
> cat bug.f90
SUBROUTINE print_crys_symmetry(nc,v)
INTEGER :: nc
REAL(KIND=8), DIMENSION(3,48) :: v
INTEGER :: n,i
vs = 0.0_8
DO n = 1, nc
DO i = 1, 3
vs = vs + ABS(v(i,n))
END DO
END DO
CALL foo(vs)
END SUBROUTINE print_crys_symmetry
> gfortran -c -O2 -floop-nest-optimize bug.f90
bug.f90:1:0:
SUBROUTINE print_crys_symmetry(nc,v)
internal compiler error: Segmentation fault
0xba222f crash_signal
../../gcc/gcc/toplev.c:333
0xbf6247 ssa_default_def(function*, tree_node*)
../../gcc/gcc/tree-dfa.c:305
0xbf87a8 get_or_create_ssa_default_def(function*, tree_node*)
../../gcc/gcc/tree-dfa.c:357
0xc33ab3 get_reaching_def
../../gcc/gcc/tree-into-ssa.c:1172
0xc33ab3 get_reaching_def