File 0421-erts-Silence-stupid-CodeChecker-in-parse_m... of Package erlang

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File 0421-erts-Silence-stupid-CodeChecker-in-parse_match_opts_.patch of Package erlang

From 7e4f7f51db5d7e05ca1b47020abab7687a94cf07 Mon Sep 17 00:00:00 2001
From: Sverker Eriksson <sverker@erlang.org>
Date: Tue, 9 Feb 2021 17:43:47 +0100
Subject: [PATCH 21/34] erts: Silence stupid CodeChecker in
 parse_match_opts_list()

It thinks islist(l) can return true in "if" and then false in "while".
---
 erts/emulator/beam/erl_bif_binary.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/erts/emulator/beam/erl_bif_binary.c b/erts/emulator/beam/erl_bif_binary.c
index dbc606505e..8d87f95f4b 100644
--- a/erts/emulator/beam/erl_bif_binary.c
+++ b/erts/emulator/beam/erl_bif_binary.c
@@ -1275,7 +1275,7 @@ static int parse_match_opts_list(Eterm l, Eterm bin, Uint *posp, Uint *endp)
 	*endp = binary_size(bin);
 	return 0;
     } else if (is_list(l)) {
-	while(is_list(l)) {
+	do {
 	    Eterm t = CAR(list_val(l));
 	    Uint orig_size;
 	    if (!is_tuple(t)) {
@@ -1318,7 +1318,7 @@ static int parse_match_opts_list(Eterm l, Eterm bin, Uint *posp, Uint *endp)
 		goto badarg;
 	    }
 	    l = CDR(list_val(l));
-	}
+	} while (is_list(l));
 	return 0;
     } else {
     badarg:
-- 
2.26.2

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File 0421-erts-Silence-stupid-CodeChecker-in-parse_match_opts_.patch of Package erlang

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