From: Russ Cox <rsc@golang.org>
Date: Sat, 23 Aug 2014 23:24:44 +0000 (-0400)
Subject: cmd/gc: change interface representation: only pointers in data word
X-Git-Tag: go1.4beta1~744
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=950ad4fa2bfb4539ebac21d7a32aa23da59376a7;p=gostls13.git

cmd/gc: change interface representation: only pointers in data word

Note that there are various cleanups that can be made if we keep
this change, but I do not want to start making changes that
depend on this one until the 1.4 cycle closes.

Fixes #8405.

LGTM=r
R=golang-codereviews, adg, r, bradfitz
CC=golang-codereviews, iant
https://golang.org/cl/130240043
---

diff --git a/src/cmd/gc/subr.c b/src/cmd/gc/subr.c
index 325614e6bc..081c373a88 100644
--- a/src/cmd/gc/subr.c
+++ b/src/cmd/gc/subr.c
@@ -3808,7 +3808,7 @@ isdirectiface(Type *t)
 	// where the data word can hold a pointer or any
 	// non-pointer value no bigger than a pointer.
 	enum {
-		IfacePointerOnly = 0,
+		IfacePointerOnly = 1,
 	};
 
 	if(IfacePointerOnly) {