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