Merge branch 'bjorn/remove-hybrid-heap/OTP-10105' into maint

* bjorn/remove-hybrid-heap/OTP-10105:
  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

7 files changed, 13 insertions, 79 deletions

diff --git a/erts/emulator/test/binary_SUITE.erl b/erts/emulator/test/binary_SUITE.erl
index d9fc876482..c9f43bb00b 100644
--- a/erts/emulator/test/binary_SUITE.erl
+++ b/erts/emulator/test/binary_SUITE.erl
@@ -1135,15 +1135,8 @@ sleeper() ->
     ?line receive after infinity -> ok end.
 
 
-gc_test(doc) -> "Test that binaries are garbage collected properly.";
-gc_test(suite) -> [];
+%% Test that binaries are garbage collected properly.
 gc_test(Config) when is_list(Config) ->
-    case erlang:system_info(heap_type) of
-	private -> gc_test_1();
-	hybrid -> {skip,"Hybrid heap"}
-    end.
-
-gc_test_1() ->
     %% Note: This test is only relevant for REFC binaries.
     %% Therefore, we take care that all binaries are REFC binaries.
     B = list_to_binary(lists:seq(0, ?heap_binary_size)),
diff --git a/erts/emulator/test/bs_construct_SUITE.erl b/erts/emulator/test/bs_construct_SUITE.erl
index 7fdf36711b..dea02b1f4b 100644
--- a/erts/emulator/test/bs_construct_SUITE.erl
+++ b/erts/emulator/test/bs_construct_SUITE.erl
@@ -460,7 +460,6 @@ mem_leak(0, _) -> ok;
 mem_leak(N, B) ->
     ?line big_bin(B, <<23>>),
     ?line {'EXIT',{badarg,_}} = (catch big_bin(B, bad)),
-    maybe_gc(),
     mem_leak(N-1, B).
 
 big_bin(B1, B2) ->
@@ -473,13 +472,6 @@ big_bin(B1, B2) ->
 make_bin(0, Acc) -> Acc;
 make_bin(N, Acc) -> make_bin(N-1, <<Acc/binary,Acc/binary>>).
 
-maybe_gc() ->
-    case erlang:system_info(heap_type) of
-	shared -> erlang:garbage_collect();
-	hybrid -> erlang:garbage_collect();
-	private -> ok
-    end.
-
 -define(COF(Int0),
 	?line (fun(Int) ->
 		       true = <<Int:32/float>> =:= <<(float(Int)):32/float>>,
diff --git a/erts/emulator/test/code_SUITE.erl b/erts/emulator/test/code_SUITE.erl
index 25ce94096f..74ce5e397a 100644
--- a/erts/emulator/test/code_SUITE.erl
+++ b/erts/emulator/test/code_SUITE.erl
@@ -135,14 +135,7 @@ new_binary_types(Config) when is_list(Config) ->
 						      bit_sized_binary(Bin))),
     ok.
 
-t_check_process_code(doc) -> "Test check_process_code/2.";
 t_check_process_code(Config) when is_list(Config) ->
-    case erlang:system_info(heap_type) of
-	private -> t_check_process_code_1(Config);
-	hybrid -> {skip,"Hybrid heap"}
-    end.
-
-t_check_process_code_1(Config) ->
     ?line Priv = ?config(priv_dir, Config),
     ?line Data = ?config(data_dir, Config),
     ?line File = filename:join(Data, "my_code_test"),
@@ -247,12 +240,10 @@ gc1() -> ok.
 t_check_process_code_ets(doc) ->
     "Test check_process_code/2 in combination with a fun obtained from an ets table.";
 t_check_process_code_ets(Config) when is_list(Config) ->
-    case {test_server:is_native(?MODULE),erlang:system_info(heap_type)} of
-	{true,_} ->
-	    {skipped,"Native code"};
-	{_,hybrid} ->
-	    {skipped,"Hybrid heap"};
-	{false,private} ->
+    case test_server:is_native(?MODULE) of
+	true ->
+	    {skip,"Native code"};
+	false ->
 	    do_check_process_code_ets(Config)
     end.
 
@@ -397,9 +388,7 @@ module_md5_ok(Code) ->
 
 
 make_stub(Config) when is_list(Config) ->
-    %% No old code to purge if hybrid heap because of skipped test cases,
-    %% so we'll need a catch here.
-    ?line (catch erlang:purge_module(my_code_test)),
+    catch erlang:purge_module(my_code_test),
 
     ?line Data = ?config(data_dir, Config),
     ?line File = filename:join(Data, "my_code_test"),
@@ -433,9 +422,7 @@ make_stub(Config) when is_list(Config) ->
     ok.
 
 make_stub_many_funs(Config) when is_list(Config) ->
-    %% No old code to purge if hybrid heap because of skipped test cases,
-    %% so we'll need a catch here.
-    ?line (catch erlang:purge_module(many_funs)),
+    catch erlang:purge_module(many_funs),
 
     ?line Data = ?config(data_dir, Config),
     ?line File = filename:join(Data, "many_funs"),
diff --git a/erts/emulator/test/fun_SUITE.erl b/erts/emulator/test/fun_SUITE.erl
index 559e540016..839ad6a4f4 100644
--- a/erts/emulator/test/fun_SUITE.erl
+++ b/erts/emulator/test/fun_SUITE.erl
@@ -539,12 +539,6 @@ bad_md5(Bad) ->
     {'EXIT',{badarg,_}} = (catch erlang:md5(Bad)).
 
 refc(Config) when is_list(Config) ->
-    case erlang:system_info(heap_type) of
-	private -> refc_1();
-	hybrid -> {skip,"Hybrid heap"}
-    end.
-
-refc_1() ->
     ?line F1 = fun_factory(2),
     ?line {refc,2} = erlang:fun_info(F1, refc),
     ?line F2 = fun_factory(42),
@@ -570,12 +564,6 @@ fun_factory(Const) ->
     fun(X) -> X + Const end.
 
 refc_ets(Config) when is_list(Config) ->
-    case erlang:system_info(heap_type) of
-	private -> refc_ets_1();
-	hybrid -> {skip,"Hybrid heap"}
-    end.
-
-refc_ets_1() ->
     ?line F = fun(X) -> X + 33 end,
     ?line {refc,2} = erlang:fun_info(F, refc),
 
@@ -622,12 +610,6 @@ refc_ets_bag(F1, Options) ->
     ok.
 
 refc_dist(Config) when is_list(Config) ->
-    case erlang:system_info(heap_type) of
-	private -> refc_dist_1();
-	hybrid -> {skip,"Hybrid heap"}
-    end.
-
-refc_dist_1() ->
     ?line {ok,Node} = start_node(fun_SUITE_refc_dist),
     ?line process_flag(trap_exit, true),
     ?line Pid = spawn_link(Node,
diff --git a/erts/emulator/test/hibernate_SUITE.erl b/erts/emulator/test/hibernate_SUITE.erl
index 82a0aad189..68bc3434d4 100644
--- a/erts/emulator/test/hibernate_SUITE.erl
+++ b/erts/emulator/test/hibernate_SUITE.erl
@@ -67,10 +67,7 @@ end_per_testcase(_Func, Config) ->
 basic(Config) when is_list(Config) ->
     Ref = make_ref(),
     Info = {self(),Ref},
-    ExpectedHeapSz = case erlang:system_info(heap_type) of
-			 private -> erts_debug:size([Info]);
-			 hybrid -> erts_debug:size([a|b])
-		     end,
+    ExpectedHeapSz = erts_debug:size([Info]),
     ?line Child = spawn_link(fun() -> basic_hibernator(Info) end),
     ?line hibernate_wake_up(100, ExpectedHeapSz, Child),
     ?line Child ! please_quit_now,
@@ -166,10 +163,7 @@ whats_up_calc(A1, A2, A3, A4, A5, A6, A7, A8, A9, Acc) ->
 dynamic_call(Config) when is_list(Config) ->
     Ref = make_ref(),
     Info = {self(),Ref},
-    ExpectedHeapSz = case erlang:system_info(heap_type) of
-			 private -> erts_debug:size([Info]);
-			 hybrid -> erts_debug:size([a|b])
-		     end,
+    ExpectedHeapSz = erts_debug:size([Info]),
     ?line Child = spawn_link(fun() -> ?MODULE:dynamic_call_hibernator(Info, hibernate) end),
     ?line hibernate_wake_up(100, ExpectedHeapSz, Child),
     ?line Child ! please_quit_now,
diff --git a/erts/emulator/test/node_container_SUITE.erl b/erts/emulator/test/node_container_SUITE.erl
index aa83459ef8..0bf2c03233 100644
--- a/erts/emulator/test/node_container_SUITE.erl
+++ b/erts/emulator/test/node_container_SUITE.erl
@@ -459,10 +459,6 @@ make_node_garbage(_, _, _, Ps) ->
 	  end,
     lists:foreach(fun (P) -> wait_until(fun () -> ProcIsCleanedUp(P) end) end,
 		  Ps),
-    ?line case erlang:system_info(heap_type) of
-	      shared -> ?line garbage_collect();
-	      _ -> ?line ok
-	  end,
     ?line ok.
 
 
@@ -605,17 +601,7 @@ node_controller_refc(Config) when is_list(Config) ->
     % Get rid of all references to Node
     ?line exec(P, fun () -> exit(normal) end),
     ?line wait_until(fun () -> not is_process_alive(P) end),
-    ?line case erlang:system_info(heap_type) of
-	      shared ->
-		  ?line garbage_collect();
-	      hybrid ->
-		  ?line lists:foreach(fun (Proc) -> garbage_collect(Proc) end,
-				      processes()),
-		  ?line erlang:garbage_collect_message_area();
-	      _ ->
-		  ?line lists:foreach(fun (Proc) -> garbage_collect(Proc) end,
-				       processes())
-	  end,
+    lists:foreach(fun (Proc) -> garbage_collect(Proc) end, processes()),
     ?line false = get_node_references({Node,Creation}),
     ?line false = get_dist_references(Node),
     ?line false = lists:member(Node, nodes(known)),
diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl
index 0a1ef5a78f..0b99b3438a 100644
--- a/erts/emulator/test/port_SUITE.erl
+++ b/erts/emulator/test/port_SUITE.erl
@@ -1244,8 +1244,8 @@ otp_3906_forker(N, Parent, Ref, Sup, Prog) ->
 otp_4389(suite) -> [];
 otp_4389(doc) -> [];
 otp_4389(Config)  when is_list(Config) ->
-    case {os:type(),erlang:system_info(heap_type)} of
-	{{unix, _},private} ->
+    case os:type() of
+	{unix, _} ->
 	    ?line Dog = test_server:timetrap(test_server:seconds(240)),
 	    ?line TCR = self(),
 	    case get_true_cmd() of
@@ -1293,7 +1293,7 @@ otp_4389(Config)  when is_list(Config) ->
 		    ?line {skipped, "\"true\" command not found"}
 	    end;
 	_ ->
-	    {skip,"Only run on Unix and private heaps"}
+	    {skip,"Only run on Unix"}
     end.
 
 get_true_cmd() ->