Merge branch 'hasse/no_get_stacktrace/OTP-14861'

* hasse/no_get_stacktrace/OTP-14861:
  erts: Update abstract format doc with stacktrace variable
  wx: Do not call erlang:get_stacktrace()
  tools: Do not call erlang:get_stacktrace()
  stdlib: Do not call erlang:get_stacktrace()
  sasl: Do not call erlang:get_stacktrace()
  runtime_tools: Do not call erlang:get_stacktrace()
  reltool: Do not call erlang:get_stacktrace()
  parsetools: Do not call erlang:get_stacktrace()
  observer: Do not call erlang:get_stacktrace()
  mnesia: Do not call erlang:get_stacktrace() (cont)
  mnesia: Do not call erlang:get_stacktrace()
  kernel: Do not call erlang:get_stacktrace()
  inets: Do not call erlang:get_stacktrace()
  eunit: Do not call erlang:get_stacktrace()
  et: Do not call erlang:get_stacktrace()
  dialyzer: Do not call erlang:get_stacktrace()
  debugger: Do not call erlang:get_stacktrace()
  debugger: Do not try to restore stacktrace
  common_test: Do not call erlang:get_stacktrace()

1 files changed, 4 insertions, 3 deletions

diff --git a/lib/mnesia/src/mnesia_locker.erl b/lib/mnesia/src/mnesia_locker.erl
index 073b48abc0..710bf38cb5 100644
--- a/lib/mnesia/src/mnesia_locker.erl
+++ b/lib/mnesia/src/mnesia_locker.erl
@@ -97,10 +97,11 @@ init(Parent) ->
     end,
     loop(#state{supervisor = Parent}).
 
+%% Local function in order to avoid external function call
 val(Var) ->
-    case ?catch_val(Var) of
-	{'EXIT', _} -> mnesia_lib:other_val(Var);
-	_VaLuE_ -> _VaLuE_
+    case ?catch_val_and_stack(Var) of
+	{'EXIT', Stacktrace} -> mnesia_lib:other_val(Var, Stacktrace);
+	Value -> Value
     end.
 
 reply(From, R) ->