2007-05-30 Russell Yanofsky <russ@yanofsky.org>

            Douglas Gregor <doug.gregor@gmail.com>
            Pedro Lamarao <pedro.lamarao@mndfck.org>
            Howard Hinnant <howard.hinnant@gmail.com>

	PR c++/7412
	PR c++/29939
        * g++.dg/cpp0x/rv8p.C: New.
        * g++.dg/cpp0x/temp-constructor-bug.C: New.
        * g++.dg/cpp0x/cast-bug.C: New.
        * g++.dg/cpp0x/elision_weak.C: New.
        * g++.dg/cpp0x/collapse-bug.C: New.
        * g++.dg/cpp0x/rv3p.C: New.
        * g++.dg/cpp0x/rv7n.C: New.
        * g++.dg/cpp0x/overload-conv-1.C: New.
        * g++.dg/cpp0x/rv2n.C: New.
        * g++.dg/cpp0x/deduce.C: New.
        * g++.dg/cpp0x/temp-va-arg-bug.C: New.
        * g++.dg/cpp0x/rv6p.C: New.
        * g++.dg/cpp0x/template_deduction.C: New.
        * g++.dg/cpp0x/implicit-copy.C: New.
        * g++.dg/cpp0x/rv1p.C: New.
        * g++.dg/cpp0x/cast.C: New.
        * g++.dg/cpp0x/rv5n.C: New.
        * g++.dg/cpp0x/collapse.C: New.
        * g++.dg/cpp0x/overload-conv-2.C: New.
        * g++.dg/cpp0x/rv4p.C: New.
	* g++.dg/cpp0x/rvo.C: New.
        * g++.dg/cpp0x/iop.C: New.
        * g++.dg/cpp0x/rv3n.C: New.
        * g++.dg/cpp0x/rv7p.C: New.
        * g++.dg/cpp0x/reference_collapsing.C: New.
        * g++.dg/cpp0x/overload.C: New.
        * g++.dg/cpp0x/named.C: New.
        * g++.dg/cpp0x/rv2p.C: New.
        * g++.dg/cpp0x/rv6n.C: New.
        * g++.dg/cpp0x/not_special.C: New.
        * g++.dg/cpp0x/bind.C: New.
        * g++.dg/cpp0x/rv1n.C: New.
        * g++.dg/cpp0x/rv5p.C: New.
        * g++.dg/cpp0x/elision.C: New.
        * g++.dg/cpp0x/named_refs.C: New.
        * g++.dg/cpp0x/unnamed_refs.C: New.
        * g++.dg/cpp0x/rv4n.C: New.
        * g++.dg/cpp0x/elision_neg.C: New.
        * g++.dg/init/copy7.C: Run in C++98 mode.
        * g++.dg/overload/arg1.C: Ditto.
        * g++.dg/overload/arg4.C: Ditto.
	
2007-05-30  Russell Yanofsky <russ@yanofsky.org>
            Douglas Gregor <doug.gregor@gmail.com>
            Pedro Lamarao <pedro.lamarao@mndfck.org>
            Howard Hinnant <howard.hinnant@gmail.com>

	PR c++/7412
	PR c++/29939
	* typeck.c (comptypes): Don't consider rvalue and lvalue
	reference types to be equivalent.
	(check_return_expr): Move from certain lvalues when returning
	them.
	* decl.c (grokdeclarator): Implement reference collapsing.
	(copy_fn_p): Don't consider constructors taking rvalue references
	to be copy constructors.
	(move_fn_p): New.
        * call.c (conversion): New "rvaluedness_matches_p" member.
	(convert_class_to_reference): Require reference type as first
	parameter instead of base type.
	(reference_binding): Add logic to handle rvalue references.
	(implicit_conversion): Update inaccurate comment.
	(convert_like_real): Disable creation of temporaries that are
	impossible to initialize for types with move constructors.
	(build_over_call): Elide move constructors when possible.
	(maybe_handle_implicit_object): Set "rvaluedness_matches_p".
	(maybe_handle_ref_bind): Return conversion instead of type node.
	(compare_ics): Add logic to use "rvaluedness_matches_p" values to
	determine preferred conversion sequences.
	* cp-tree.h (TYPE_REF_IS_RVALUE): New.
	(LOOKUP_PREFER_RVALUE): New.
	(DECL_MOVE_CONSTRUCTOR_P): New.
	(struct cp_declarator): Add "reference" member for reference
	types, with new "rvalue_ref" flag.
	(cp_build_reference_type): Declare.
	(move_fn_p): Declare.
	* error.c (dump_type_prefix): Format rvalue reference types
	correctly in error messages.
	* except.c (build_throw): Move from certain lvalues when
	throwing.
	* mangle.c (write_type): Mangle rvalue references differently
	than regular references.
	* parser.c (make_reference_declarator): Add boolean parameter for
	rvalue references.
	(cp_parser_make_indirect_declarator): New.
	(cp_parser_new_declarator_opt): Call
	cp_parser_make_indirect_declarator. 
	(cp_parser_conversion_declarator_opt): Ditto.
	(cp_parser_declarator): Ditto.
	(cp_parser_ptr_operator): Parse "&&" tokens into rvalue reference
	declarators.
	* pt.c (tsubst): Implement reference collapsing.
	(maybe_adjust_types_for_deduction): Implement special template
	parameter deduction rule for rvalue references.
	(type_unification_real): Update calls to
	maybe_adjust_types_for_deduction.
	(try_one_overload): Ditto.
	(unify_pack_expansion): Ditto.
	* tree.c (lvalue_p_1): Handle rvalue reference types.
	(cp_build_reference_type): New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@125211 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 9 insertions, 1 deletions

diff --git a/gcc/cp/error.c b/gcc/cp/error.c
index fcc7b08946e..6121436a794 100644
--- a/gcc/cp/error.c
+++ b/gcc/cp/error.c
@@ -542,7 +542,15 @@ dump_type_prefix (tree t, int flags)
 	    pp_cxx_whitespace (cxx_pp);
 	    pp_cxx_left_paren (cxx_pp);
 	  }
-	pp_character (cxx_pp, "&*"[TREE_CODE (t) == POINTER_TYPE]);
+	if (TREE_CODE (t) == POINTER_TYPE)
+	  pp_character(cxx_pp, '*');
+	else if (TREE_CODE (t) == REFERENCE_TYPE)
+	{
+	  if (TYPE_REF_IS_RVALUE (t))
+	    pp_string (cxx_pp, "&&");
+	  else
+	    pp_character (cxx_pp, '&');
+	}
 	pp_base (cxx_pp)->padding = pp_before;
 	pp_cxx_cv_qualifier_seq (cxx_pp, t);
       }