Merge branch 'egil/maps/OTP-11616'

* egil/maps/OTP-11616: (112 commits)
  compiler: Add core compile test for maps
  compiler: Fix core parse for Maps
  compiler: Fixup #map_pair{} spec
  erts: Strengthen map_SUITE tests
  erts: Update maps_fold test to respect maps:fold/3
  stdlib: Make maps:fold/3 order-independent
  erts: Fixup enif_make_map_put on windows
  erts: Update preloaded erts_internal.beam
  hipe: Fixup update cerl pretty printer
  erts: Add map construction to driver API
  dialyzer: Add maps tests
  dialyzer: Remove dead code
  dialyzer: Reflect map_pair core changes in dialyzer
  hipe: Update cerl pretty printer
  compiler: Update inliner tests
  compiler: Squash #c_map_pair_*{} to #c_map_pair{}
  compiler: Squash #k_map_pair_*{} to #k_map_pair{}
  preloaded: Fixup export cmp_term in erts_internal
  erts: Change 'size' argument of enif_get_map_size from int* to size_t*
  erts: Fix compile error for halfword emulator
  ...

1 files changed, 11 insertions, 0 deletions

diff --git a/erts/preloaded/src/erts_internal.erl b/erts/preloaded/src/erts_internal.erl
index d6a185482e..edcd50c77e 100644
--- a/erts/preloaded/src/erts_internal.erl
+++ b/erts/preloaded/src/erts_internal.erl
@@ -30,6 +30,7 @@
 
 -export([await_port_send_result/3]).
 -export([binary_to_term/1, binary_to_term/2]).
+-export([cmp_term/2]).
 -export([port_command/3, port_connect/2, port_close/1,
 	 port_control/3, port_call/3, port_info/1, port_info/2]).
 
@@ -170,3 +171,13 @@ binary_to_term(_Binary) ->
       Opts :: [safe].
 binary_to_term(_Binary, _Opts) ->
     erlang:nif_error(undefined).
+
+%% term compare where integer() < float() = true
+
+-spec cmp_term(A,B) -> Result when
+    A :: term(),
+    B :: term(),
+    Result :: -1 | 0 | 1.
+
+cmp_term(_A,_B) ->
+    erlang:nif_error(undefined).