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| author | Harald Anlauf <anlauf@gmx.de> | 2022-07-27 21:34:22 +0200 |
|---|---|---|
| committer | Harald Anlauf <anlauf@gmx.de> | 2022-07-31 20:28:38 +0200 |
| commit | 0110cfd5449bae3a772f45ea2e4c5dab5b7a8ccd (patch) | |
| tree | 297d550a3369382d8bda6a68bb15bc28f489bcb6 /gcc/fortran | |
| parent | b04c399e258e686dddad879bf7e27d9e28fd6fde (diff) | |
| download | gcc-0110cfd5449bae3a772f45ea2e4c5dab5b7a8ccd.zip gcc-0110cfd5449bae3a772f45ea2e4c5dab5b7a8ccd.tar.gz gcc-0110cfd5449bae3a772f45ea2e4c5dab5b7a8ccd.tar.bz2 | |
Fortran: fix invalid rank error in ASSOCIATED when rank is remapped [PR77652]
gcc/fortran/ChangeLog:
PR fortran/77652
* check.cc (gfc_check_associated): Make the rank check of POINTER
vs. TARGET match the allowed forms of pointer assignment for the
selected Fortran standard.
gcc/testsuite/ChangeLog:
PR fortran/77652
* gfortran.dg/associated_target_9a.f90: New test.
* gfortran.dg/associated_target_9b.f90: New test.
Diffstat (limited to 'gcc/fortran')
| -rw-r--r-- | gcc/fortran/check.cc | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/gcc/fortran/check.cc b/gcc/fortran/check.cc index 91d87a1..1da0b3c 100644 --- a/gcc/fortran/check.cc +++ b/gcc/fortran/check.cc @@ -1502,8 +1502,27 @@ gfc_check_associated (gfc_expr *pointer, gfc_expr *target) t = false; /* F2018 C838 explicitly allows an assumed-rank variable as the first argument of intrinsic inquiry functions. */ - if (pointer->rank != -1 && !rank_check (target, 0, pointer->rank)) - t = false; + if (pointer->rank != -1 && pointer->rank != target->rank) + { + if (pointer->rank == 0 || target->rank == 0) + { + /* There exists no valid pointer assignment using bounds + remapping for scalar => array or array => scalar. */ + if (!rank_check (target, 0, pointer->rank)) + t = false; + } + else if (target->rank != 1) + { + if (!gfc_notify_std (GFC_STD_F2008, "Rank remapping target is not " + "rank 1 at %L", &target->where)) + t = false; + } + else if ((gfc_option.allow_std & GFC_STD_F2003) == 0) + { + if (!rank_check (target, 0, pointer->rank)) + t = false; + } + } if (target->rank > 0 && target->ref) { for (i = 0; i < target->rank; i++) |