merge from fortran-dev branch:
gcc/fortran/
2009-11-30 Janus Weil <janus@gcc.gnu.org>
PR fortran/42053
* resolve.c (resolve_select_type): Check for duplicate CLASS IS blocks.
2009-11-30 Janus Weil <janus@gcc.gnu.org>
PR fortran/41631
* decl.c (gfc_match_derived_decl): Set extension level.
* gfortran.h (symbol_attribute): Expand 'extension' bit field to 8 bit.
* iresolve.c (gfc_resolve_extends_type_of): Return value of
'is_extension_of' has kind=4.
* match.c (select_type_set_tmp,gfc_match_class_is): Create temporary
for CLASS IS blocks.
* module.c (MOD_VERSION): Bump module version.
(ab_attribute,attr_bits): Remove AB_EXTENSION.
(mio_symbol_attribute): Handle expanded 'extension' field.
* resolve.c (resolve_select_type): Implement CLASS IS blocks.
(resolve_fl_variable_derived): Show correct type name.
* symbol.c (gfc_build_class_symbol): Set extension level.
2009-11-30 Janus Weil <janus@gcc.gnu.org>
* intrinsic.h (gfc_resolve_extends_type_of): Add prototype.
* intrinsic.c (add_functions): Use 'gfc_resolve_extends_type_of'.
* iresolve.c (gfc_resolve_extends_type_of): New function, which
replaces the call to EXTENDS_TYPE_OF by the library function
'is_extension_of' and modifies the arguments.
* trans-intrinsic.c (gfc_conv_extends_type_of): Removed.
(gfc_conv_intrinsic_function): FOR EXTENDS_TYPE_OF, don't call
gfc_conv_extends_type_of but gfc_conv_intrinsic_funcall.
2009-11-30 Paul Thomas <pault@gcc.gnu.org>
Janus Weil <janus@gcc.gnu.org>
* decl.c (encapsulate_class_symbol): Replaced by
'gfc_build_class_symbol'.
(build_sym,build_struct): Call 'gfc_build_class_symbol'.
(gfc_match_derived_decl): Replace vindex by hash_value.
* dump-parse-tree.c (show_symbol): Replace vindex by hash_value.
* gfortran.h (symbol_attribute): Add field 'vtab'.
(gfc_symbol): Replace vindex by hash_value.
(gfc_class_esym_list): Ditto.
(gfc_get_derived_type,gfc_build_class_symbol,gfc_find_derived_vtab):
New prototypes.
* module.c (mio_symbol): Replace vindex by hash_value.
* resolve.c (vindex_expr): Rename to 'hash_value_expr'.
(resolve_class_compcall,resolve_class_typebound_call): Renamed
'vindex_expr'.
(resolve_select_type): Replace $vindex by $vptr->$hash.
* symbol.c (gfc_add_save): Handle vtab symbols.
(gfc_type_compatible): Rewrite.
(gfc_build_class_symbol): New function which replaces
'encapsulate_class_symbol'.
(gfc_find_derived_vtab): New function to set up a vtab symbol for a
derived type.
* trans-decl.c (gfc_create_module_variable): Handle vtab symbols.
* trans-expr.c (select_class_proc): Replace vindex by hash_value.
(gfc_conv_derived_to_class): New function to construct a temporary
CLASS variable from a derived type expression.
(gfc_conv_procedure_call): Call 'gfc_conv_derived_to_class'.
(gfc_conv_structure): Initialize the $extends and $size fields of
vtab symbols.
(gfc_trans_class_assign): Replace $vindex by $vptr. Remove the $size
assignment.
* trans-intrinsic.c (gfc_conv_same_type_as): Replace $vindex by
$vptr->$hash, and replace vindex by hash_value.
* trans-stmt.c (gfc_trans_allocate): Insert $vptr references, replace
$vindex by $vptr. Remove the $size assignment.
* trans-types.c (gfc_get_derived_type): Make it non-static.
gcc/testsuite/
2009-11-30 Janus Weil <janus@gcc.gnu.org>
PR fortran/42053
* gfortran.dg/select_type_9.f03: New.
2009-11-30 Janus Weil <janus@gcc.gnu.org>
PR fortran/41631
* gfortran.dg/extends_type_of_1.f03: Fix invalid test case.
* gfortran.dg/module_md5_1.f90: Adjusted MD5 sum.
* gfortran.dg/select_type_1.f03: Remove FIXMEs.
* gfortran.dg/select_type_2.f03: Ditto.
* gfortran.dg/select_type_8.f03: New test.
2009-11-30 Janus Weil <janus@gcc.gnu.org>
* gfortran.dg/extends_type_of_1.f03: New test.
* gfortran.dg/same_type_as_1.f03: Extended.
2009-11-30 Paul Thomas <pault@gcc.gnu.org>
* gfortran.dg/class_4c.f03: Add dg-additional-sources.
* gfortran.dg/class_4d.f03: Rename module. Cleanup modules.
libgfortran/
2009-11-30 Janus Weil <janus@gcc.gnu.org>
* gfortran.map: Add _gfortran_is_extension_of.
* Makefile.am: Add intrinsics/extends_type_of.c.
* Makefile.in: Regenerated.
* intrinsics/extends_type_of.c: New file.
From-SVN: r154840
Janus Weil