Merge pull request #11470 from jhogberg/john/compiler/fix-unused-record-warning/ERIERL-1345/OTP-20301

erl_lint: Mark records used in record_info/2 as used

Author: jhogberg

lib/stdlib/src/erl_lint.erl

@@ -5282,7 +5282,7 @@ check_record_info_call(_Anno,_Aa,[{atom,Ai,Info},{atom,_An,Name}], St) ->
         true ->
             case St#lint.records of
                 #{Name := {_,tuple,_}} ->
-                    St;
+                    used_record(Name, St);
                 #{} ->
                     add_error(Ai, native_record_illegal_record_info, St)
             end;

lib/stdlib/test/erl_lint_SUITE.erl

@@ -5697,9 +5697,10 @@ illegal_zip_generator(Config) ->
 
     ok.
 
-%% GH-9694. Only record_info/2 should be checked for illegal_record_info
 record_info_0(Config) ->
-    Ts = [{record_info_0,
+    Ts = [%% GH-9694. Only record_info/2 should be checked for
+          %% illegal_record_info
+          {record_info_0,
            <<"-export([f/0]).
               record_info() -> ok.
               f() -> record_info().
@@ -5712,6 +5713,14 @@ record_info_0(Config) ->
               g() -> record_info(ok).
             ">>,
            [],
+           []},
+          %% ERIERL-1345: record_info/2 should mark tuple records as used
+          {record_info_2,
+           <<"-export([h/0]).
+              -record(rec,{a,b,c}).
+               h() -> record_info(fields, rec).
+            ">>,
+           [],
            []}
          ],
     [] = run(Config, Ts),