diff options
Diffstat (limited to 'gcc/fortran')
| -rw-r--r-- | gcc/fortran/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/fortran/frontend-passes.c | 5 |
2 files changed, 12 insertions, 0 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog index d0cbc37..c28f4fe 100644 --- a/gcc/fortran/ChangeLog +++ b/gcc/fortran/ChangeLog @@ -1,3 +1,10 @@ +2017-12-26 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/83540 + * frontend-passes.c (create_var): If an array to be created + has unknown size and -fno-realloc-lhs is in effect, + return NULL. + 2017-12-22 Bernhard Reutner-Fischer <aldot@gcc.gnu.org> Eric Botcazou <ebotcazou@adacore.com> diff --git a/gcc/fortran/frontend-passes.c b/gcc/fortran/frontend-passes.c index 3382058..7c515f6 100644 --- a/gcc/fortran/frontend-passes.c +++ b/gcc/fortran/frontend-passes.c @@ -720,6 +720,11 @@ create_var (gfc_expr * e, const char *vname) if (e->expr_type == EXPR_CONSTANT || is_fe_temp (e)) return gfc_copy_expr (e); + /* Creation of an array of unknown size requires realloc on assignment. + If that is not possible, just return NULL. */ + if (flag_realloc_lhs == 0 && e->rank > 0 && e->shape == NULL) + return NULL; + ns = insert_block (); if (vname) |