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-rw-r--r--lib/compiler/src/compile.erl45
1 files changed, 32 insertions, 13 deletions
diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl
index e951a25e04..e37ca31704 100644
--- a/lib/compiler/src/compile.erl
+++ b/lib/compiler/src/compile.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2015. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -173,17 +173,25 @@ env_default_opts() ->
do_compile(Input, Opts0) ->
Opts = expand_opts(Opts0),
- {Pid,Ref} =
- spawn_monitor(fun() ->
- exit(try
- internal(Input, Opts)
- catch
- error:Reason ->
- {error,Reason}
- end)
- end),
- receive
- {'DOWN',Ref,process,Pid,Rep} -> Rep
+ IntFun = fun() -> try
+ internal(Input, Opts)
+ catch
+ error:Reason ->
+ {error,Reason}
+ end
+ end,
+ %% Dialyzer has already spawned workers.
+ case lists:member(dialyzer, Opts) of
+ true ->
+ IntFun();
+ false ->
+ {Pid,Ref} =
+ spawn_monitor(fun() ->
+ exit(IntFun())
+ end),
+ receive
+ {'DOWN',Ref,process,Pid,Rep} -> Rep
+ end
end.
expand_opts(Opts0) ->
@@ -684,7 +692,7 @@ kernel_passes() ->
{iff,core,?pass(save_core_code)},
%% Kernel Erlang and code generation.
- {pass,v3_kernel},
+ ?pass(v3_kernel),
{iff,dkern,{listing,"kernel"}},
{iff,'to_kernel',{done,"kernel"}},
{pass,v3_life},
@@ -1241,6 +1249,17 @@ core_fold_module_after_inlining(#compile{code=Code0,options=Opts}=St) ->
{ok,Code,_Ws} = sys_core_fold:module(Code0, Opts),
{ok,St#compile{code=Code}}.
+v3_kernel(#compile{code=Code0,options=Opts,warnings=Ws0}=St) ->
+ {ok,Code,Ws} = v3_kernel:module(Code0, Opts),
+ case Ws =:= [] orelse test_core_inliner(St) of
+ false ->
+ {ok,St#compile{code=Code,warnings=Ws0++Ws}};
+ true ->
+ %% cerl_inline may produce code that generates spurious
+ %% warnings. Ignore any such warnings.
+ {ok,St#compile{code=Code}}
+ end.
+
test_old_inliner(#compile{options=Opts}) ->
%% The point of this test is to avoid loading the old inliner
%% if we know that it will not be used.