diff options
Diffstat (limited to 'gcc/fortran/resolve.c')
| -rw-r--r-- | gcc/fortran/resolve.c | 35 |
1 files changed, 24 insertions, 11 deletions
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c index 45c3ad3..5923646 100644 --- a/gcc/fortran/resolve.c +++ b/gcc/fortran/resolve.c @@ -8155,16 +8155,21 @@ resolve_allocate_deallocate (gfc_code *code, const char *fcn) /* Check the stat variable. */ if (stat) { - gfc_check_vardef_context (stat, false, false, false, - _("STAT variable")); + if (!gfc_check_vardef_context (stat, false, false, false, + _("STAT variable"))) + goto done_stat; - if ((stat->ts.type != BT_INTEGER - && !(stat->ref && (stat->ref->type == REF_ARRAY - || stat->ref->type == REF_COMPONENT))) + if (stat->ts.type != BT_INTEGER || stat->rank > 0) gfc_error ("Stat-variable at %L must be a scalar INTEGER " "variable", &stat->where); + if (stat->expr_type == EXPR_CONSTANT || stat->symtree == NULL) + goto done_stat; + + /* F2018:9.7.4: The stat-variable shall not be allocated or deallocated + * within the ALLOCATE or DEALLOCATE statement in which it appears ... + */ for (p = code->ext.alloc.list; p; p = p->next) if (p->expr->symtree->n.sym->name == stat->symtree->n.sym->name) { @@ -8192,6 +8197,8 @@ resolve_allocate_deallocate (gfc_code *code, const char *fcn) } } +done_stat: + /* Check the errmsg variable. */ if (errmsg) { @@ -8199,22 +8206,26 @@ resolve_allocate_deallocate (gfc_code *code, const char *fcn) gfc_warning (0, "ERRMSG at %L is useless without a STAT tag", &errmsg->where); - gfc_check_vardef_context (errmsg, false, false, false, - _("ERRMSG variable")); + if (!gfc_check_vardef_context (errmsg, false, false, false, + _("ERRMSG variable"))) + goto done_errmsg; /* F18:R928 alloc-opt is ERRMSG = errmsg-variable F18:R930 errmsg-variable is scalar-default-char-variable F18:R906 default-char-variable is variable F18:C906 default-char-variable shall be default character. */ - if ((errmsg->ts.type != BT_CHARACTER - && !(errmsg->ref - && (errmsg->ref->type == REF_ARRAY - || errmsg->ref->type == REF_COMPONENT))) + if (errmsg->ts.type != BT_CHARACTER || errmsg->rank > 0 || errmsg->ts.kind != gfc_default_character_kind) gfc_error ("ERRMSG variable at %L shall be a scalar default CHARACTER " "variable", &errmsg->where); + if (errmsg->expr_type == EXPR_CONSTANT || errmsg->symtree == NULL) + goto done_errmsg; + + /* F2018:9.7.5: The errmsg-variable shall not be allocated or deallocated + * within the ALLOCATE or DEALLOCATE statement in which it appears ... + */ for (p = code->ext.alloc.list; p; p = p->next) if (p->expr->symtree->n.sym->name == errmsg->symtree->n.sym->name) { @@ -8242,6 +8253,8 @@ resolve_allocate_deallocate (gfc_code *code, const char *fcn) } } +done_errmsg: + /* Check that an allocate-object appears only once in the statement. */ for (p = code->ext.alloc.list; p; p = p->next) |