https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77719
kugan at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |kugan at gcc dot gnu.org
--- Comment #5 from kugan at gcc dot gnu.org ---
(In reply to Joost VandeVondele from comment #0)
> recent trunk regression:
>
> > cat bug.f90
> SUBROUTINE urep_egr(erep,derep,surr)
> INTEGER, PARAMETER :: dp=8
> REAL(dp), INTENT(inout) :: erep, derep(3)
> REAL(dp), INTENT(in) :: surr(2)
> REAL(dp) :: de_z, rz
> IF (n_urpoly > 0) THEN
> IF (r < spxr(1,1)) THEN
> ispg: DO isp = 1,spdim ! condition ca)
> IF (isp /= spdim) THEN
> nsp = 5 ! condition cb
> DO jsp = 0,nsp
> IF( jsp <= 3 ) THEN
> ELSE
> erep = erep + surr(jsp-3)*rz**(jsp)
> ENDIF
> END DO
> END IF
> END DO ispg
> END IF
> END IF
> END SUBROUTINE urep_egr
>
> > gfortran -c -O3 -ffast-math bug.f90
> [...]
> in pp_string, at pretty-print.c:955
> 0x14506c6 pp_string
> ../../gcc/gcc/pretty-print.c:955
> 0x14506c6 pp_string(pretty_printer*, char const*)
> ../../gcc/gcc/pretty-print.c:953
> 0x14514e9 pp_format(pretty_printer*, text_info*)
> ../../gcc/gcc/pretty-print.c:597
> 0x14445f1 diagnostic_report_diagnostic(diagnostic_context*, diagnostic_info*)
> ../../gcc/gcc/diagnostic.c:941
> 0x1444e48 diagnostic_impl
> ../../gcc/gcc/diagnostic.c:1064
> 0x1444f74 internal_error(char const*, ...)
> ../../gcc/gcc/diagnostic.c:1349
> 0x9130f8 gimple_check_failed(gimple const*, char const*, int, char const*,
> gimple_code, tree_code)
> ../../gcc/gcc/gimple.c:1177
> 0xd992d7 GIMPLE_CHECK2<const gassign*>
> ../../gcc/gcc/gimple.h:73
> 0xd8a037 gimple_phi_arg
> ../../gcc/gcc/tree-phinodes.h:37
> 0xd8a037 gimple_phi_arg_imm_use_ptr
> ../../gcc/gcc/tree-phinodes.h:37
> 0xd8a037 op_iter_next_use
> ../../gcc/gcc/ssa-iterators.h:490
> 0xd8a037 link_use_stmts_after
> ../../gcc/gcc/ssa-iterators.h:902
> 0xd8a037 next_imm_use_stmt
> ../../gcc/gcc/ssa-iterators.h:955
> 0xd8a037 make_new_ssa_for_def
> ../../gcc/gcc/tree-ssa-reassoc.c:1167
> 0xd8d908 make_new_ssa_for_all_defs
> ../../gcc/gcc/tree-ssa-reassoc.c:1194
> 0xd8d908 zero_one_operation
> ../../gcc/gcc/tree-ssa-reassoc.c:1338
> 0xd95430 undistribute_ops_list
> ../../gcc/gcc/tree-ssa-reassoc.c:1684
> 0xd96178 reassociate_bb
> ../../gcc/gcc/tree-ssa-reassoc.c:5393
> 0xd95fa7 reassociate_bb
> ../../gcc/gcc/tree-ssa-reassoc.c:5528
> 0xd95fa7 reassociate_bb
> ../../gcc/gcc/tree-ssa-reassoc.c:5528
> Please submit a full bug report,
>
> > gfortran -v
> Using built-in specs.
> COLLECT_GCC=gfortran
> COLLECT_LTO_WRAPPER=/data/vjoost/gnu/gcc_trunk/install/libexec/gcc/x86_64-pc-
> linux-gnu/7.0.0/lto-wrapper
> Target: x86_64-pc-linux-gnu
> Configured with: ../gcc/configure
> --prefix=/data/vjoost/gnu/gcc_trunk/install --enable-languages=c,c++,fortran
> --disable-multilib --enable-plugins --enable-lto --disable-bootstrap
> Thread model: posix
> gcc version 7.0.0 20160924 (experimental) [trunk revision 240461] (GCC)
Sorry for the breakage. Sent a patch to fix this at
https://gcc.gnu.org/ml/gcc-patches/2016-09/msg01760.html.
