diff options
| author | Steve Kargl <kargl@gcc.gnu.org> | 2023-02-15 22:20:22 +0100 |
|---|---|---|
| committer | Harald Anlauf <anlauf@gmx.de> | 2023-02-15 22:22:14 +0100 |
| commit | a418129273725fd02e881e6fb5e0877287a1356c (patch) | |
| tree | ab3740d26929ddd0bc86a353474825385468408a /gcc/fortran | |
| parent | a3e499430f1cc8a8f4aea3c26d4aba2d5eaba742 (diff) | |
| download | gcc-a418129273725fd02e881e6fb5e0877287a1356c.zip gcc-a418129273725fd02e881e6fb5e0877287a1356c.tar.gz gcc-a418129273725fd02e881e6fb5e0877287a1356c.tar.bz2 | |
Fortran: error recovery on invalid assumed size reference [PR104554]
gcc/fortran/ChangeLog:
PR fortran/104554
* resolve.cc (check_assumed_size_reference): Avoid NULL pointer
dereference.
gcc/testsuite/ChangeLog:
PR fortran/104554
* gfortran.dg/pr104554.f90: New test.
Diffstat (limited to 'gcc/fortran')
| -rw-r--r-- | gcc/fortran/resolve.cc | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc/fortran/resolve.cc b/gcc/fortran/resolve.cc index 96c3406..fb07459 100644 --- a/gcc/fortran/resolve.cc +++ b/gcc/fortran/resolve.cc @@ -1670,9 +1670,11 @@ check_assumed_size_reference (gfc_symbol *sym, gfc_expr *e) /* FIXME: The comparison "e->ref->u.ar.type == AR_FULL" is wrong. What should it be? */ - if (e->ref && (e->ref->u.ar.end[e->ref->u.ar.as->rank - 1] == NULL) - && (e->ref->u.ar.as->type == AS_ASSUMED_SIZE) - && (e->ref->u.ar.type == AR_FULL)) + if (e->ref + && e->ref->u.ar.as + && (e->ref->u.ar.end[e->ref->u.ar.as->rank - 1] == NULL) + && (e->ref->u.ar.as->type == AS_ASSUMED_SIZE) + && (e->ref->u.ar.type == AR_FULL)) { gfc_error ("The upper bound in the last dimension must " "appear in the reference to the assumed size " |