From: khr@golang.org <khr@golang.org>
Date: Tue, 16 Apr 2024 01:23:38 +0000 (-0700)
Subject: runtime: remove odd-forcing of hash constants
X-Git-Tag: go1.23rc1~567
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=c260de24b688d72206f1224e298181c8363fc33d;p=gostls13.git

runtime: remove odd-forcing of hash constants

We don't multiply by them any more, so no need to make them odd.

Suggested by me here in 2021:
https://go-review.googlesource.com/c/go/+/280372/comment/1a86b8aa_f64310bf/
Never got around to it until now.

Change-Id: Iddc675e6a18b4a7a785acbf77c96e127003cc3c5
Reviewed-on: https://go-review.googlesource.com/c/go/+/579116
Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@google.com>
---

diff --git a/src/runtime/alg.go b/src/runtime/alg.go
index aadd5f1002..cab0abf577 100644
--- a/src/runtime/alg.go
+++ b/src/runtime/alg.go
@@ -391,7 +391,7 @@ func alginit() {
 		return
 	}
 	for i := range hashkey {
-		hashkey[i] = uintptr(bootstrapRand()) | 1 // make sure these numbers are odd
+		hashkey[i] = uintptr(bootstrapRand())
 	}
 }