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-rw-r--r--erts/preloaded/src/erlang.erl3
-rw-r--r--erts/preloaded/src/erts_internal.erl3
-rw-r--r--erts/preloaded/src/init.erl4
3 files changed, 6 insertions, 4 deletions
diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl
index 652a954807..8771089b65 100644
--- a/erts/preloaded/src/erlang.erl
+++ b/erts/preloaded/src/erlang.erl
@@ -2408,10 +2408,11 @@ term_to_binary(_Term, _Options) ->
tl(_List) ->
erlang:nif_error(undefined).
+-type match_variable() :: atom(). % Approximation of '$1' | '$2' | ...
-type trace_pattern_mfa() ::
{atom(),atom(),arity() | '_'} | on_load.
-type trace_match_spec() ::
- [{[term()] | '_' ,[term()],[term()]}].
+ [{[term()] | '_' | match_variable() ,[term()],[term()]}].
-spec erlang:trace_pattern(MFA, MatchSpec) -> non_neg_integer() when
MFA :: trace_pattern_mfa() | send | 'receive',
diff --git a/erts/preloaded/src/erts_internal.erl b/erts/preloaded/src/erts_internal.erl
index 6aae5ba38c..f4518c4008 100644
--- a/erts/preloaded/src/erts_internal.erl
+++ b/erts/preloaded/src/erts_internal.erl
@@ -438,10 +438,11 @@ microstate_accounting(Ref, Threads) ->
trace(_PidSpec, _How, _FlagList) ->
erlang:nif_error(undefined).
+-type match_variable() :: atom(). % Approximation of '$1' | '$2' | ...
-type trace_pattern_mfa() ::
{atom(),atom(),arity() | '_'} | on_load.
-type trace_match_spec() ::
- [{[term()] | '_' ,[term()],[term()]}].
+ [{[term()] | '_' | match_variable() ,[term()],[term()]}].
-spec trace_pattern(MFA, MatchSpec, FlagList) -> non_neg_integer() when
MFA :: trace_pattern_mfa(),
diff --git a/erts/preloaded/src/init.erl b/erts/preloaded/src/init.erl
index 962528f7ab..551ca4ea40 100644
--- a/erts/preloaded/src/init.erl
+++ b/erts/preloaded/src/init.erl
@@ -205,7 +205,7 @@ boot(BootArgs) ->
{Start0,Flags,Args} = parse_boot_args(BootArgs),
%% We don't get to profile parsing of BootArgs
- case get_flag(profile_boot, Flags, false) of
+ case b2a(get_flag(profile_boot, Flags, false)) of
false -> ok;
true -> debug_profile_start()
end,
@@ -782,7 +782,7 @@ do_boot(Init,Flags,Start) ->
(catch erlang:system_info({purify, "Node: " ++ atom_to_list(node())})),
start_em(Start),
- case get_flag(profile_boot,Flags,false) of
+ case b2a(get_flag(profile_boot,Flags,false)) of
false -> ok;
true ->
debug_profile_format_mfas(debug_profile_mfas()),