File 2932-beam_ssa_lint-Slightly-optimize-a-list-comprehension.patch of Package erlang

From e6d2665b7b19c655764eac5ec43dc6e30ca2b6c6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Sat, 20 Feb 2021 08:12:02 +0100
Subject: [PATCH 2/6] beam_ssa_lint: Slightly optimize a list comprehension

Move the extraction of an element from a record out of the list
comprehension.
---
 lib/compiler/src/beam_ssa_lint.erl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/compiler/src/beam_ssa_lint.erl b/lib/compiler/src/beam_ssa_lint.erl
index b518cb823f..2b4b5af1e5 100644
--- a/lib/compiler/src/beam_ssa_lint.erl
+++ b/lib/compiler/src/beam_ssa_lint.erl
@@ -326,11 +326,11 @@ vvars_terminator(#b_br{ bool = Arg, succ = Succ, fail = Fail }=I, From, State) -
       Labels :: list(beam_ssa:label()),
       From :: beam_ssa:label(),
       State :: #vvars{}.
-vvars_terminator_1(Labels0, From, State0) ->
+vvars_terminator_1(Labels0, From, #vvars{branches=Branches}=State0) ->
     %% Filter out all branches that have already been taken. This should result
     %% in either all of Labels0 or an empty list.
     Labels = [To || To <- Labels0,
-                    not maps:is_key({From, To}, State0#vvars.branches)],
+                    not maps:is_key({From, To}, Branches)],
     true = Labels =:= Labels0 orelse Labels =:= [], %Assertion
     State1 = foldl(fun(To, State) ->
                            vvars_save_branch(From, To, State)
-- 
2.26.2