Have supervisor send errors up the chain

If a child fails to start, supervisor relies upon error_logger which does not
work when IO is inhibited. Instead pass the error up the chain and let someone
else use a proper Reason for any possible printouts.

1 files changed, 32 insertions, 0 deletions

diff --git a/lib/stdlib/test/supervisor_SUITE_data/app_faulty/src/app_faulty_server.erl b/lib/stdlib/test/supervisor_SUITE_data/app_faulty/src/app_faulty_server.erl
new file mode 100644
index 0000000000..6628f92210
--- /dev/null
+++ b/lib/stdlib/test/supervisor_SUITE_data/app_faulty/src/app_faulty_server.erl
@@ -0,0 +1,32 @@
+-module(app_faulty_server).
+
+-behaviour(gen_server).
+
+%% API
+-export([start_link/0]).
+
+%% gen_server callbacks
+-export([init/1, handle_call/3, handle_cast/2, handle_info/2,
+	 terminate/2, code_change/3]).
+
+start_link() ->
+    gen_server:start_link({local, ?MODULE}, ?MODULE, [], []).
+
+init([]) ->
+    an_undefined_module_with:an_undefined_function(argument1, argument2),
+    {ok, []}.
+
+handle_call(_Request, _From, State) ->
+    {reply, ok, State}.
+
+handle_cast(_Msg, State) ->
+    {noreply, State}.
+
+handle_info(_Info, State) ->
+    {noreply, State}.
+
+terminate(_Reason, _State) ->
+    ok.
+
+code_change(_OldVsn, State, _Extra) ->
+    {ok, State}.