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authorSteven G. Kargl <kargl@gcc.gnu.org>2019-01-10 18:45:38 +0000
committerSteven G. Kargl <kargl@gcc.gnu.org>2019-01-10 18:45:38 +0000
commitbebf94afe55f257942ca4bd378b4006f1f17a0c8 (patch)
treeedc2cc445b82581019c86417e1883a4ceb9bedb5 /gcc/fortran/decl.c
parent8b530f81133e4dd8f9a4aa8057f7bcc54845c9ef (diff)
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re PR fortran/86322 (ICE in reference_record with data statement)
2019-01-10 Steven G. Kargl <kargl@gcc.gnu.org> PR fortran/86322 * decl.c (top_var_list): Set locus of expr. (gfc_match_data): Detect pointer on non-rightmost part-refs. 2019-01-10 Steven G. Kargl <kargl@gcc.gnu.org> PR fortran/86322 * gfortran.dg/pr86322_1.f90: New test. * gfortran.dg/pr86322_2.f90: Ditto. * gfortran.dg/pr86322_3.f90: Ditto. From-SVN: r267820
Diffstat (limited to 'gcc/fortran/decl.c')
-rw-r--r--gcc/fortran/decl.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/gcc/fortran/decl.c b/gcc/fortran/decl.c
index 460c45d..e5bfc3b 100644
--- a/gcc/fortran/decl.c
+++ b/gcc/fortran/decl.c
@@ -337,6 +337,8 @@ top_var_list (gfc_data *d)
new_var = gfc_get_data_variable ();
*new_var = var;
+ if (new_var->expr)
+ new_var->expr->where = gfc_current_locus;
if (tail == NULL)
d->var = new_var;
@@ -597,6 +599,7 @@ gfc_match_data (void)
{
gfc_data *new_data;
gfc_expr *e;
+ gfc_ref *ref;
match m;
/* Before parsing the rest of a DATA statement, check F2008:c1206. */
@@ -641,7 +644,7 @@ gfc_match_data (void)
bool invalid;
invalid = false;
- for (gfc_ref *ref = e->ref; ref; ref = ref->next)
+ for (ref = e->ref; ref; ref = ref->next)
if ((ref->type == REF_COMPONENT
&& ref->u.c.component->attr.allocatable)
|| (ref->type == REF_ARRAY
@@ -655,6 +658,21 @@ gfc_match_data (void)
"near %C in DATA statement");
goto cleanup;
}
+
+ /* F2008:C567 (R536) A data-i-do-object or a variable that appears
+ as a data-stmt-object shall not be an object designator in which
+ a pointer appears other than as the entire rightmost part-ref. */
+ ref = e->ref;
+ if (e->symtree->n.sym->ts.type == BT_DERIVED
+ && e->symtree->n.sym->attr.pointer
+ && ref->type == REF_COMPONENT)
+ goto partref;
+
+ for (; ref; ref = ref->next)
+ if (ref->type == REF_COMPONENT
+ && ref->u.c.component->attr.pointer
+ && ref->next)
+ goto partref;
}
m = top_val_list (new_data);
@@ -681,6 +699,12 @@ gfc_match_data (void)
return MATCH_YES;
+partref:
+
+ gfc_error ("part-ref with pointer attribute near %L is not "
+ "rightmost part-ref of data-stmt-object",
+ &e->where);
+
cleanup:
set_in_match_data (false);
gfc_free_data (new_data);