http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59059
Bug ID: 59059
Summary: [4.9 Regression] internal compiler error: tree check:
expected integer_cst, have nop_expr in
tree_int_cst_lt, at tree.c:6931
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: Joost.VandeVondele at mat dot ethz.ch
A recent regression, likely introduced between r204496 and r204556
> cat bug.f90
SUBROUTINE collocate_core_default(grid,lp,cmax,coef_xyz,pol_z,gridbounds)
INTEGER, PARAMETER :: wp=8
INTEGER :: cmax,lp
REAL(wp) :: coef_xyz(((lp+1)*(lp+2)*(lp+3))/6)
REAL(wp) :: pol_z(1:2,0:lp,-cmax:0)
INTEGER :: gridbounds(2,3)
REAL(wp) :: grid(gridbounds(1,1):gridbounds(2,1), &
gridbounds(1,2):gridbounds(2,2), &
gridbounds(1,3):gridbounds(2,3))
INTEGER :: coef_xy(2,(lp+1)*(lp+2)/2), s04
DO kg=kgmin,0
DO lzp=0,lp
DO lyp=0,lp-lzp
DO lxp=0,lp-lzp-lyp
lxyz=lxyz+1 ; lxy=lxy+1
coef_xy(1,lxy)=coef_xy(1,lxy)+coef_xyz(lxyz)*pol_z(1,lzp,kg)
coef_xy(2,lxy)=coef_xy(2,lxy)+coef_xyz(lxyz)*pol_z(2,lzp,kg)
ENDDO
grid(i,j2,k2) = grid(i,j2,k2) + s04
END DO
END DO
END DO
END SUBROUTINE collocate_core_default
> gfortran -O3 bug.f90
bug.f90: In function ‘collocate_core_default’:
bug.f90:1:0: internal compiler error: tree check: expected integer_cst, have
nop_expr in tree_int_cst_lt, at tree.c:6931
SUBROUTINE collocate_core_default(grid,lp,cmax,coef_xyz,pol_z,gridbounds)
^
0xc248f4 tree_check_failed(tree_node const*, char const*, int, char const*,
...)
../../gcc/gcc/tree.c:9144
0xc27f02 tree_check
../../gcc/gcc/tree.h:2914
0xc27f02 tree_int_cst_lt(tree_node const*, tree_node const*)
../../gcc/gcc/tree.c:6931
0xc27f28 tree_int_cst_compare(tree_node const*, tree_node const*)
../../gcc/gcc/tree.c:6941
0xf695ac comp_dr_addr_with_seg_len_pair
../../gcc/gcc/tree-vect-data-refs.c:2672
0xf695ac comp_dr_addr_with_seg_len_pair
../../gcc/gcc/tree-vect-data-refs.c:2645
0xf70ac8 vec<dr_addr_with_seg_len_pair_t, va_heap, vl_embed>::qsort(int
(*)(void const*, void const*))
../../gcc/gcc/vec.h:941
0xf70ac8 vec<dr_addr_with_seg_len_pair_t, va_heap, vl_ptr>::qsort(int (*)(void
const*, void const*))
../../gcc/gcc/vec.h:1620
0xf70ac8 vect_prune_runtime_alias_test_list(_loop_vec_info*)
../../gcc/gcc/tree-vect-data-refs.c:2845
0xbf1b67 vect_analyze_loop_2
../../gcc/gcc/tree-vect-loop.c:1716
0xbf1b67 vect_analyze_loop(loop*)
../../gcc/gcc/tree-vect-loop.c:1807
0xc05173 vectorize_loops()
../../gcc/gcc/tree-vectorizer.c:360
Please submit a full bug report,
