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| author | Janus Weil <janus@gcc.gnu.org> | 2011-02-16 21:51:56 +0100 |
|---|---|---|
| committer | Janus Weil <janus@gcc.gnu.org> | 2011-02-16 21:51:56 +0100 |
| commit | 528622fd85a8e2f7c8f70c4e8a9486c4c426c4a5 (patch) | |
| tree | 878888203c200925a89236008d41c176a21e0259 /gcc/fortran/class.c | |
| parent | ebcb4bc3047888b1c9a655255c56257ff32dbc0b (diff) | |
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re PR fortran/47745 ([OOP] Segfault with CLASS(*) and derived type dummy arguments)
2011-02-16 Janus Weil <janus@gcc.gnu.org>
PR fortran/47745
* class.c (gfc_build_class_symbol): Set 'class_ok' attribute.
* decl.c (build_sym,attr_decl1): Move setting of 'class_ok' into
'gfc_build_class_symbol'.
(gfc_match_decl_type_spec): Reject unlimited polymorphism.
* interface.c (matching_typebound_op): Check for 'class_ok' attribute.
* match.c (select_type_set_tmp): Move setting of 'class_ok' into
'gfc_build_class_symbol'.
* primary.c (gfc_variable_attr): Check for 'class_ok' attribute.
2011-02-16 Janus Weil <janus@gcc.gnu.org>
PR fortran/47745
* gfortran.dg/class_39.f03: New.
From-SVN: r170223
Diffstat (limited to 'gcc/fortran/class.c')
| -rw-r--r-- | gcc/fortran/class.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/fortran/class.c b/gcc/fortran/class.c index 67f19f7..85da3cb 100644 --- a/gcc/fortran/class.c +++ b/gcc/fortran/class.c @@ -183,6 +183,16 @@ gfc_build_class_symbol (gfc_typespec *ts, symbol_attribute *attr, gfc_symbol *fclass; gfc_symbol *vtab; gfc_component *c; + + if (attr->class_ok) + /* Class container has already been built. */ + return SUCCESS; + + attr->class_ok = attr->dummy || attr->pointer || attr->allocatable; + + if (!attr->class_ok) + /* We can not build the class container yet. */ + return SUCCESS; if (*as) { |