File 1036-compile-make-select_passes-clause-order-ma... of Package erlang

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File 1036-compile-make-select_passes-clause-order-match-the-co.patch of Package erlang

From 9e6c9fd5693e24424f807738fdb46d9db731a4b6 Mon Sep 17 00:00:00 2001
From: Richard Carlsson <carlsson.richard@gmail.com>
Date: Thu, 29 Oct 2020 15:09:15 +0100
Subject: [PATCH] compile: make select_passes clause order match the comment
 text

The comment text gives the impression that a pass {Name, Fun} should always
work, but if Name matched one of the other passes such as {listing, Ext},
that case would be selected instead, even if the second element was a fun.
---
 lib/compiler/src/compile.erl | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl
index a6bf4a187b..d6298fdf93 100644
--- a/lib/compiler/src/compile.erl
+++ b/lib/compiler/src/compile.erl
@@ -694,6 +694,11 @@ select_passes([{pass,Mod}|Ps], Opts) ->
 		end
 	end,
     [{Mod,F}|select_passes(Ps, Opts)];
+select_passes([{_,Fun}=P|Ps], Opts) when is_function(Fun) ->
+    [P|select_passes(Ps, Opts)];
+select_passes([{_,Test,Fun}=P|Ps], Opts) when is_function(Test),
+					      is_function(Fun) ->
+    [P|select_passes(Ps, Opts)];
 select_passes([{src_listing,Ext}|_], _Opts) ->
     [{listing,fun (St) -> src_listing(Ext, St) end}];
 select_passes([{listing,Ext}|_], _Opts) ->
@@ -706,8 +711,6 @@ select_passes([{iff,Flag,Pass}|Ps], Opts) ->
     select_cond(Flag, true, Pass, Ps, Opts);
 select_passes([{unless,Flag,Pass}|Ps], Opts) ->
     select_cond(Flag, false, Pass, Ps, Opts);
-select_passes([{_,Fun}=P|Ps], Opts) when is_function(Fun) ->
-    [P|select_passes(Ps, Opts)];
 select_passes([{delay,Passes0}|Ps], Opts) when is_list(Passes0) ->
     %% Delay evaluation of compiler options and which compiler passes to run.
     %% Since we must know beforehand whether a listing will be produced, we
@@ -719,9 +722,6 @@ select_passes([{delay,Passes0}|Ps], Opts) when is_list(Passes0) ->
 	{not_done,Passes} ->
 	    [{delay,Passes}|select_passes(Ps, Opts)]
     end;
-select_passes([{_,Test,Fun}=P|Ps], Opts) when is_function(Test),
-					      is_function(Fun) ->
-    [P|select_passes(Ps, Opts)];
 select_passes([], _Opts) ->
     [];
 select_passes([List|Ps], Opts) when is_list(List) ->
-- 
2.26.2

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