Merge branch 'maint'

* maint:
  Remove stale code for hybrid heap and incremental GC
  Remove the hipe_bifs:show_message_area/0 BIF
  Remove support for erlang:system_info(global_heaps_size)
  Remove the erlang:garbage_collect_message_area/0 BIF
  Remove workarounds for hybrid and shared heaps in test suites

Conflicts:
	erts/doc/src/erlang.xml
	erts/emulator/beam/erl_message.c
	erts/emulator/beam/erl_process.c
	erts/emulator/beam/erl_process.h
	erts/emulator/hipe/hipe_bif2.tab
	lib/hipe/cerl/erl_bif_types.erl

3 files changed, 3 insertions, 158 deletions

diff --git a/lib/hipe/cerl/Makefile b/lib/hipe/cerl/Makefile
index 14e68f5233..e485cf210b 100644
--- a/lib/hipe/cerl/Makefile
+++ b/lib/hipe/cerl/Makefile
@@ -42,7 +42,7 @@ RELSYSDIR = $(RELEASE_PATH)/lib/hipe-$(VSN)
 # ----------------------------------------------------
 # Target Specs
 # ----------------------------------------------------
-MODULES = cerl_cconv cerl_closurean cerl_hipeify cerl_hybrid_transform \
+MODULES = cerl_cconv cerl_closurean cerl_hipeify \
 	  cerl_lib cerl_messagean cerl_pmatch cerl_prettypr cerl_to_icode \
 	  cerl_typean erl_bif_types erl_types 
 
diff --git a/lib/hipe/cerl/cerl_hybrid_transform.erl b/lib/hipe/cerl/cerl_hybrid_transform.erl
deleted file mode 100644
index b248b0ccd0..0000000000
--- a/lib/hipe/cerl/cerl_hybrid_transform.erl
+++ /dev/null
@@ -1,153 +0,0 @@
-%%
-%% %CopyrightBegin%
-%% 
-%% Copyright Ericsson AB 2004-2009. All Rights Reserved.
-%% 
-%% The contents of this file are subject to the Erlang Public License,
-%% Version 1.1, (the "License"); you may not use this file except in
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
-%% 
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
-%% 
-%% %CopyrightEnd%
-%%
-
--module(cerl_hybrid_transform).
-
-%% Use compile option `{core_transform, cerl_hybrid_transform}' to
-%% insert this as a compilation pass.
-
--export([transform/2, core_transform/2]).
-
--spec core_transform(cerl:cerl(), [term()]) -> cerl:cerl().
-
-core_transform(Code, Opts) ->
-    cerl:to_records(transform(cerl:from_records(Code), Opts)).
-
--spec transform(cerl:cerl(), [term()]) -> cerl:cerl().
-
-transform(Code, _Opts) ->
-    Code0 = cerl_trees:map(fun unfold_literal/1, Code),
-    {Code1, _} = cerl_trees:label(Code0),
-    io:fwrite("Running hybrid heap analysis..."),
-    {T1,_} = statistics(runtime),
-    {Code2, _, Vars} = cerl_messagean:annotate(Code1),
-    {T2,_} = statistics(runtime),
-    io:fwrite("(~w ms), transform...", [T2 - T1]),
-    Code3 = rewrite(Code2, Vars),
-    io:fwrite("done.\n"),
-    cerl_trees:map(fun fold_literal/1, Code3).
-
-unfold_literal(T) ->
-    cerl:unfold_literal(T).
-
-fold_literal(T) ->
-    cerl:fold_literal(T).
-
-%% If escape-annotated:
-%% {...} => hybrid:tuple([...])
-%% [H | T] => hybrid:cons(H, T)
-%%
-%% Wrapper for args to hybrid:cons/hybrid:tuple that may need copying:
-%% hybrid:copy(A)
-
-rewrite(Node, Vars) ->
-    case cerl:type(Node) of
-	tuple ->
-	    Es = rewrite_list(cerl:tuple_es(Node), Vars),
-	    case is_escaping(Node) of
-		false ->
-		    cerl:update_c_tuple(Node, Es);
-		true ->
-		    Es1 = wrap(Es, Node, Vars),
-		    cerl:update_c_call(Node,
-				       cerl:abstract(hybrid),
-				       cerl:abstract(tuple),
-				       [cerl:make_list(Es1)])
-%%% 		    cerl:update_c_call(Node, cerl:abstract(hybrid),
-%%% 				       cerl:abstract(tuple), Es1)
-	    end;
-	cons ->
-	    H = rewrite(cerl:cons_hd(Node), Vars),
-	    T = rewrite(cerl:cons_tl(Node), Vars),
-	    case is_escaping(Node) of
-		false ->
-		    cerl:update_c_cons(Node, H, T);
-		true ->
-		    Es = wrap([H, T], Node, Vars),
-		    cerl:update_c_call(Node,
-				       cerl:abstract(hybrid),
-				       cerl:abstract(cons),
-				       Es)
-	    end;
-%%% 	call ->
-%%% 	    M = rewrite(cerl:call_module(Node)),
-%%% 	    F = rewrite(cerl:call_name(Node)),
-%%% 	    As = rewrite_list(cerl:call_args(Node)),
-%%% 	    case cerl:is_c_atom(M) andalso cerl:is_c_atom(F) of
-%%% 		true ->
-%%% 		    case {cerl:atom_val(M), cerl:atom_val(F), length(As)} of
-%%% 			{erlang, '!', 2} ->
-%%% 			    cerl:update_c_call(Node,
-%%% 					       cerl:abstract(hipe_bifs),
-%%% 					       cerl:abstract(send),
-%%% 					       [cerl:make_list(As)]);
-%%% 			_ ->
-%%% 			    cerl:update_c_call(Node, M, F, As)
-%%% 		    end;
-%%% 		false ->
-%%% 		    cerl:update_c_call(Node, M, F, As)
-%%% 	    end;
-	clause ->
-	    B = rewrite(cerl:clause_body(Node), Vars),
-	    cerl:update_c_clause(Node, cerl:clause_pats(Node),
-				 cerl:clause_guard(Node), B);
-	primop ->
-	    case cerl:atom_val(cerl:primop_name(Node)) of
-		match_fail ->
-		    Node;
-		_ ->
-		    As = rewrite_list(cerl:primop_args(Node), Vars),
-		    cerl:update_c_primop(Node, cerl:primop_name(Node), As)
-	    end;
-	_T ->
-	    case cerl:subtrees(Node) of
-		[] ->
-		    Node;
-		Gs ->
-		    cerl:update_tree(Node, [rewrite_list(Ns, Vars)
-					    || Ns <- Gs])
-	    end
-    end.
-
-rewrite_list([N | Ns], Vars) ->
-    [rewrite(N, Vars) | rewrite_list(Ns, Vars)];
-rewrite_list([], _) ->
-    [].
-
-is_escaping(T) ->
-    lists:member(escapes, cerl:get_ann(T)).
-
-wrap(Es, Node, Vars) ->
-    L = cerl_trees:get_label(Node),
-    Xs = dict:fetch(L, Vars),
-    wrap(Es, Xs).
-
-wrap([E | Es], [{S, _} | Xs]) ->
-    case ordsets:is_element(unsafe, S) of
-%%  case cerl:type(E) =/= literal of
-	true ->
-	    [cerl:c_call(cerl:abstract(hybrid),
-			 cerl:abstract(copy),
-			 [E])
-	     | wrap(Es, Xs)];
-	false ->
-	    [E | wrap(Es, Xs)]
-    end;
-wrap([], _) ->
-    [].
diff --git a/lib/hipe/cerl/erl_bif_types.erl b/lib/hipe/cerl/erl_bif_types.erl
index 5822c19d9c..a5a2773598 100644
--- a/lib/hipe/cerl/erl_bif_types.erl
+++ b/lib/hipe/cerl/erl_bif_types.erl
@@ -883,7 +883,7 @@ type(erlang, system_info, 1, Xs) ->
 		   ['dist'] ->
 		     t_binary();
 		   ['dist_ctrl'] ->
-		     t_list(t_tuple([t_atom(), t_sup([t_pid(), t_port])]));
+		     t_list(t_tuple([t_atom(), t_sup([t_pid(), t_port()])]));
 		   %% elib_malloc is intentionally not included,
 		   %% because it scheduled for removal in R15.
 		   ['endian'] ->
@@ -892,12 +892,10 @@ type(erlang, system_info, 1, Xs) ->
 		     t_tuple([t_atom('fullsweep_after'), t_non_neg_integer()]);
 		   ['garbage_collection'] ->
 		     t_list();
-		   ['global_heaps_size'] ->
-		     t_non_neg_integer();
 		   ['heap_sizes'] ->
 		     t_list(t_integer());
 		   ['heap_type'] ->
-		     t_sup([t_atom('private'), t_atom('hybrid')]);
+		     t_atom('private');
 		   ['hipe_architecture'] ->
 		     t_atoms(['amd64', 'arm', 'powerpc', 'ppc64',
 			      'undefined', 'ultrasparc', 'x86']);