8 files changed, 83 insertions, 3 deletions
diff --git a/lib/dialyzer/doc/src/notes.xml b/lib/dialyzer/doc/src/notes.xml
index aa29684697..27364ae06a 100644
--- a/lib/dialyzer/doc/src/notes.xml
+++ b/lib/dialyzer/doc/src/notes.xml
@@ -32,6 +32,22 @@
   <p>This document describes the changes made to the Dialyzer
     application.</p>
 
+<section><title>Dialyzer 2.8.2</title>
+
+    <section><title>Fixed Bugs and Malfunctions</title>
+      <list>
+        <item>
+          <p>
+	    Reintroduce the <c>erlang:make_fun/3</c> BIF in
+	    erl_bif_types.</p>
+          <p>
+	    Own Id: OTP-13068</p>
+        </item>
+      </list>
+    </section>
+
+</section>
+
 <section><title>Dialyzer 2.8.1</title>
 
     <section><title>Fixed Bugs and Malfunctions</title>
diff --git a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
index c57a22129c..826ac51775 100644
--- a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
+++ b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
@@ -624,6 +624,28 @@ find_call_file_and_line(Tree, MFA) ->
 		  MFA ->
 		    Ann = cerl:get_ann(SubTree),
 		    [{get_file(Ann), get_line(Ann)}|Acc];
+		  {erlang, make_fun, 3} ->
+		    [CA1, CA2, CA3] = cerl:call_args(SubTree),
+		    case
+		      cerl:is_c_atom(CA1) andalso
+		      cerl:is_c_atom(CA2) andalso
+		      cerl:is_c_int(CA3)
+		    of
+		      true ->
+			case
+			  {cerl:concrete(CA1),
+			   cerl:concrete(CA2),
+			   cerl:concrete(CA3)}
+			of
+			  MFA ->
+			    Ann = cerl:get_ann(SubTree),
+			    [{get_file(Ann), get_line(Ann)}|Acc];
+			  _ ->
+			    Acc
+			end;
+		      false ->
+			Acc
+		    end;
 		  _ -> Acc
 		end;
 	      false -> Acc
diff --git a/lib/dialyzer/src/dialyzer_callgraph.erl b/lib/dialyzer/src/dialyzer_callgraph.erl
index a1cd2015ca..9e53e171c0 100644
--- a/lib/dialyzer/src/dialyzer_callgraph.erl
+++ b/lib/dialyzer/src/dialyzer_callgraph.erl
@@ -478,14 +478,37 @@ scan_one_core_fun(TopTree, FunName) ->
 		  call ->
 		    CalleeM = cerl:call_module(Tree),
 		    CalleeF = cerl:call_name(Tree),
-		    A = length(cerl:call_args(Tree)),
+		    CalleeArgs = cerl:call_args(Tree),
+		    A = length(CalleeArgs),
 		    case (cerl:is_c_atom(CalleeM) andalso 
 			  cerl:is_c_atom(CalleeF)) of
 		      true -> 
 			M = cerl:atom_val(CalleeM),
 			F = cerl:atom_val(CalleeF),
 			case erl_bif_types:is_known(M, F, A) of
-			  true -> Acc;
+			  true ->
+			    case {M, F, A} of
+			      {erlang, make_fun, 3} ->
+				[CA1, CA2, CA3] = CalleeArgs,
+				case
+				  cerl:is_c_atom(CA1) andalso
+				  cerl:is_c_atom(CA2) andalso
+				  cerl:is_c_int(CA3)
+				of
+				  true ->
+				    MM = cerl:atom_val(CA1),
+				    FF = cerl:atom_val(CA2),
+				    AA = cerl:int_val(CA3),
+				    case erl_bif_types:is_known(MM, FF, AA) of
+				      true -> Acc;
+				      false -> [{FunName, {MM, FF, AA}}|Acc]
+				    end;
+				  false ->
+				    Acc
+				end;
+			      _ ->
+				Acc
+			    end;
 			  false -> [{FunName, {M, F, A}}|Acc]
 			end;
 		      false -> 
diff --git a/lib/dialyzer/test/small_SUITE_data/results/fun_arity b/lib/dialyzer/test/small_SUITE_data/results/fun_arity
index 280f5490d0..cc9db65152 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/fun_arity
+++ b/lib/dialyzer/test/small_SUITE_data/results/fun_arity
@@ -31,5 +31,7 @@ fun_arity.erl:81: Function mfa_ne_1_ko/0 has no local return
 fun_arity.erl:83: Function mf_ne/1 will never be called
 fun_arity.erl:89: Fun application will fail since _cor0 :: fun(() -> any()) is not a function of arity 1
 fun_arity.erl:89: Function mfa_nd_0_ko/0 has no local return
+fun_arity.erl:90: Call to missing or unexported function fun_arity:mf_nd/0
 fun_arity.erl:93: Fun application will fail since _cor0 :: fun((_) -> any()) is not a function of arity 0
 fun_arity.erl:93: Function mfa_nd_1_ko/0 has no local return
+fun_arity.erl:94: Call to missing or unexported function fun_arity:mf_nd/1
diff --git a/lib/dialyzer/test/small_SUITE_data/results/maps1 b/lib/dialyzer/test/small_SUITE_data/results/maps1
new file mode 100644
index 0000000000..5a78d66a92
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/results/maps1
@@ -0,0 +1,4 @@
+
+maps1.erl:43: Function t3/0 has no local return
+maps1.erl:44: The call maps1:foo(~{'greger'=>3, ~{'arne'=>'anka'}~=>45}~,1) will never return since it differs in the 2nd argument from the success typing arguments: (#{},'b')
+maps1.erl:52: The call Mod:'function'(~{'literal'=>'map'}~,'another_arg') requires that Mod is of type atom() | tuple() not #{}
diff --git a/lib/dialyzer/test/small_SUITE_data/results/non_existing b/lib/dialyzer/test/small_SUITE_data/results/non_existing
index 58da2bfc8b..b0da5998c7 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/non_existing
+++ b/lib/dialyzer/test/small_SUITE_data/results/non_existing
@@ -1,2 +1,3 @@
 
+non_existing.erl:12: Call to missing or unexported function lists:non_existing_fun/1
 non_existing.erl:9: Call to missing or unexported function lists:non_existing_call/1
diff --git a/lib/dialyzer/test/small_SUITE_data/src/maps1.erl b/lib/dialyzer/test/small_SUITE_data/src/maps1.erl
index 06ced5b69e..bb2f66a498 100644
--- a/lib/dialyzer/test/small_SUITE_data/src/maps1.erl
+++ b/lib/dialyzer/test/small_SUITE_data/src/maps1.erl
@@ -39,3 +39,15 @@ t2() -> ok.
 
 update(#{ id := Id, val := Val } = M, X) when is_integer(Id) ->
     M#{ val := [Val,X] }.
+
+t3() ->
+    foo(#{greger => 3, #{arne=>anka} => 45}, 1).
+
+foo(#{} = M, b) -> %% Error
+    M#{alfa => 42, beta := 1337}.
+
+t4() ->
+    case #{} of
+        #{} -> ok;
+        Mod -> Mod:function(#{literal => map}, another_arg) %% Error
+    end.
diff --git a/lib/dialyzer/vsn.mk b/lib/dialyzer/vsn.mk
index e57caa9ad3..9480f17f51 100644
--- a/lib/dialyzer/vsn.mk
+++ b/lib/dialyzer/vsn.mk
@@ -1 +1 @@
-DIALYZER_VSN = 2.8.1
+DIALYZER_VSN = 2.8.2