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authorJanus Weil <janus@gcc.gnu.org>2013-07-25 10:26:36 +0200
committerJanus Weil <janus@gcc.gnu.org>2013-07-25 10:26:36 +0200
commit67b1d0046b856e95b9c2086be14d1af0d91d8f90 (patch)
tree5af2ae989df28500809d588e175112778cd329e2 /gcc/fortran
parent690688b3a055de125642e79d3bff8b0291d1f8cb (diff)
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re PR fortran/57639 ([OOP] ICE with polymorphism (and illegal code))
2013-07-25 Janus Weil <janus@gcc.gnu.org> PR fortran/57639 * interface.c (compare_parameter): Check for class_ok. * simplify.c (gfc_simplify_same_type_as): Ditto. 2013-07-25 Janus Weil <janus@gcc.gnu.org> PR fortran/57639 * gfortran.dg/unlimited_polymorphic_9.f90: New. From-SVN: r201239
Diffstat (limited to 'gcc/fortran')
-rw-r--r--gcc/fortran/ChangeLog6
-rw-r--r--gcc/fortran/interface.c7
-rw-r--r--gcc/fortran/simplify.c3
3 files changed, 14 insertions, 2 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 0de32dd..d4cc083 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2013-07-25 Janus Weil <janus@gcc.gnu.org>
+
+ PR fortran/57639
+ * interface.c (compare_parameter): Check for class_ok.
+ * simplify.c (gfc_simplify_same_type_as): Ditto.
+
2013-07-23 Ondřej Bílka <neleai@seznam.cz>
* decl.c: Fix comment typos.
diff --git a/gcc/fortran/interface.c b/gcc/fortran/interface.c
index 8d31d1c..3c794b2 100644
--- a/gcc/fortran/interface.c
+++ b/gcc/fortran/interface.c
@@ -1966,7 +1966,8 @@ compare_parameter (gfc_symbol *formal, gfc_expr *actual,
}
/* F2008, 12.5.2.5; IR F08/0073. */
- if (formal->ts.type == BT_CLASS && actual->expr_type != EXPR_NULL
+ if (formal->ts.type == BT_CLASS && formal->attr.class_ok
+ && actual->expr_type != EXPR_NULL
&& ((CLASS_DATA (formal)->attr.class_pointer
&& !formal->attr.intent == INTENT_IN)
|| CLASS_DATA (formal)->attr.allocatable))
@@ -1978,6 +1979,10 @@ compare_parameter (gfc_symbol *formal, gfc_expr *actual,
formal->name, &actual->where);
return 0;
}
+
+ if (!gfc_expr_attr (actual).class_ok)
+ return 0;
+
if (!gfc_compare_derived_types (CLASS_DATA (actual)->ts.u.derived,
CLASS_DATA (formal)->ts.u.derived))
{
diff --git a/gcc/fortran/simplify.c b/gcc/fortran/simplify.c
index 32b8332..dca9b7e 100644
--- a/gcc/fortran/simplify.c
+++ b/gcc/fortran/simplify.c
@@ -2300,7 +2300,8 @@ gfc_simplify_same_type_as (gfc_expr *a, gfc_expr *b)
/* Return .false. if the dynamic type can never be the
same. */
- if ((a->ts.type == BT_CLASS || b->ts.type == BT_CLASS)
+ if (((a->ts.type == BT_CLASS && gfc_expr_attr (a).class_ok)
+ || (b->ts.type == BT_CLASS && gfc_expr_attr (b).class_ok))
&& !gfc_type_compatible (&a->ts, &b->ts)
&& !gfc_type_compatible (&b->ts, &a->ts))
return gfc_get_logical_expr (gfc_default_logical_kind, &a->where, false);