From: Dmitriy Vyukov <dvyukov@google.com>
Date: Mon, 25 Aug 2014 13:19:56 +0000 (+0400)
Subject: runtime: fix chan alignment on 32 bits
X-Git-Tag: go1.4beta1~716
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=99080c4b6f29aa6ea988747c43475469e761c8a5;p=gostls13.git

runtime: fix chan alignment on 32 bits

LGTM=dave
R=golang-codereviews, dave
CC=golang-codereviews, khr, rsc
https://golang.org/cl/128700043
---

diff --git a/src/pkg/runtime/chan.h b/src/pkg/runtime/chan.h
index 52eb20099d..30825eafad 100644
--- a/src/pkg/runtime/chan.h
+++ b/src/pkg/runtime/chan.h
@@ -21,6 +21,9 @@ struct	Hchan
 	byte*	buf;
 	uint16	elemsize;
 	uint32	closed;
+#ifndef GOARCH_amd64
+	uint32	pad;			// ensures proper alignment of the buffer that follows Hchan in memory
+#endif
 	Type*	elemtype;		// element type
 	uintgo	sendx;			// send index
 	uintgo	recvx;			// receive index