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authorJanus Weil <janus@gcc.gnu.org>2009-11-05 16:31:07 +0100
committerJanus Weil <janus@gcc.gnu.org>2009-11-05 16:31:07 +0100
commit4b7dd692c22b6fcef9d5f4178d0e9668c03e2941 (patch)
tree02287a8f3acb6b68ce238799e00e9fa3d9058b60 /gcc/fortran
parent5ddf0258515492f285e8bda0c4bb8c2219979d7a (diff)
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re PR fortran/41556 ([OOP] Errors in applying operator/assignment to an abstract type)
2009-11-05 Janus Weil <janus@gcc.gnu.org> PR fortran/41556 * interface.c (matching_typebound_op,gfc_extend_assign): Handle CLASS variables. 2009-11-05 Janus Weil <janus@gcc.gnu.org> PR fortran/41556 * gfortran.dg/class_12.f03: New test. From-SVN: r153946
Diffstat (limited to 'gcc/fortran')
-rw-r--r--gcc/fortran/ChangeLog6
-rw-r--r--gcc/fortran/interface.c9
2 files changed, 12 insertions, 3 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index dca8031..3a1aa63 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,6 +1,12 @@
2009-11-05 Janus Weil <janus@gcc.gnu.org>
PR fortran/41556
+ * interface.c (matching_typebound_op,gfc_extend_assign): Handle CLASS
+ variables.
+
+2009-11-05 Janus Weil <janus@gcc.gnu.org>
+
+ PR fortran/41556
PR fortran/41873
* resolve.c (resolve_function,resolve_call): Prevent abstract interfaces
from being called, but allow deferred type-bound procedures with
diff --git a/gcc/fortran/interface.c b/gcc/fortran/interface.c
index 05e5d2d..866a81c 100644
--- a/gcc/fortran/interface.c
+++ b/gcc/fortran/interface.c
@@ -2574,13 +2574,16 @@ matching_typebound_op (gfc_expr** tb_base,
gfc_actual_arglist* base;
for (base = args; base; base = base->next)
- if (base->expr->ts.type == BT_DERIVED)
+ if (base->expr->ts.type == BT_DERIVED || base->expr->ts.type == BT_CLASS)
{
gfc_typebound_proc* tb;
gfc_symbol* derived;
gfc_try result;
- derived = base->expr->ts.u.derived;
+ if (base->expr->ts.type == BT_CLASS)
+ derived = base->expr->ts.u.derived->components->ts.u.derived;
+ else
+ derived = base->expr->ts.u.derived;
if (op == INTRINSIC_USER)
{
@@ -2837,7 +2840,7 @@ gfc_extend_assign (gfc_code *c, gfc_namespace *ns)
rhs = c->expr2;
/* Don't allow an intrinsic assignment to be replaced. */
- if (lhs->ts.type != BT_DERIVED
+ if (lhs->ts.type != BT_DERIVED && lhs->ts.type != BT_CLASS
&& (rhs->rank == 0 || rhs->rank == lhs->rank)
&& (lhs->ts.type == rhs->ts.type
|| (gfc_numeric_ts (&lhs->ts) && gfc_numeric_ts (&rhs->ts))))