From d40419bf37370353e7a3f7fe7f949e9844df4fc5 Mon Sep 17 00:00:00 2001
From: "Paul J. Davis" <paul.joseph.davis@gmail.com>
Date: Wed, 19 Jun 2019 12:04:04 -0500
Subject: Blacklist all 21.x releases older than 21.2.3

This basically just extends the black list to cover the `21.{0,1}`
release range. This is due to a compiler bug [1] which is a duplicate of
[2].

[1] https://bugs.erlang.org/browse/ERL-981
[2] https://bugs.erlang.org/browse/ERL-807
---
 rebar.config.script | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/rebar.config.script b/rebar.config.script
index b41917f67..880ea3d5d 100644
--- a/rebar.config.script
+++ b/rebar.config.script
@@ -42,8 +42,7 @@ end.
 case VerList of
     [20 | _] = V20 when V20 < [20, 3, 8, 11] -> NotSupported(VerString);
     [20 | _] = V20 when V20 >= [20, 3, 8, 11] -> ok;
-    [21, 2] -> NotSupported(VerString);
-    [21, 2, N | _] when N < 3 -> NotSupported(VerString);
+    [21 | _] = V21 when V21 < [21, 2, 3] -> NotSupported(VerString);
     _ -> ok
 end.
 
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