From ab6ffa8a3c1e3fa802cacd970d3ed415ba25a85e Mon Sep 17 00:00:00 2001
From: Frank Denis <github@pureftpd.org>
Date: Sat, 15 Aug 2020 21:00:22 +0200
Subject: Work around sqrtRatioM1() issue in release-safe mode

---
 lib/std/crypto/25519/ristretto255.zig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/std/crypto/25519/ristretto255.zig b/lib/std/crypto/25519/ristretto255.zig
index 21b305f89d..bfdeb41f9d 100644
--- a/lib/std/crypto/25519/ristretto255.zig
+++ b/lib/std/crypto/25519/ristretto255.zig
@@ -24,11 +24,11 @@ pub const Ristretto255 = struct {
         const has_f_root = f_root_check.isZero();
         const x_sqrtm1 = x.mul(Fe.sqrtm1); // x*sqrt(-1)
         x.cMov(x_sqrtm1, @boolToInt(has_p_root) | @boolToInt(has_f_root));
-        x = x.abs();
+        const xa = x.abs();
         if ((@boolToInt(has_m_root) | @boolToInt(has_p_root)) == 0) {
             return error.NoRoot;
         }
-        return x;
+        return xa;
     }
 
     fn rejectNonCanonical(s: [32]u8) !void {
-- 
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