From 6ed2b6c47d7c6b66af3fb2f93dd3e66a758ec76d Mon Sep 17 00:00:00 2001
From: Shenghou Ma <minux.ma@gmail.com>
Date: Wed, 15 Feb 2012 08:59:03 -0500
Subject: [PATCH] 5c, 6c, 8c, 6g, 8g: correct boundary checking     CL 5666043
 fixed the same checking for 5g.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5666045
---
 src/cmd/5c/txt.c   | 2 +-
 src/cmd/6c/txt.c   | 2 +-
 src/cmd/6g/gsubr.c | 2 +-
 src/cmd/8c/txt.c   | 2 +-
 src/cmd/8g/gsubr.c | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/cmd/5c/txt.c b/src/cmd/5c/txt.c
index a32387bc1e7..4de8908905e 100644
--- a/src/cmd/5c/txt.c
+++ b/src/cmd/5c/txt.c
@@ -357,7 +357,7 @@ regfree(Node *n)
 	if(n->op != OREGISTER && n->op != OINDREG)
 		goto err;
 	i = n->reg;
-	if(i < 0 || i >= sizeof(reg))
+	if(i < 0 || i >= nelem(reg))
 		goto err;
 	if(reg[i] <= 0)
 		goto err;
diff --git a/src/cmd/6c/txt.c b/src/cmd/6c/txt.c
index 12fc5b498a5..dd232f085fd 100644
--- a/src/cmd/6c/txt.c
+++ b/src/cmd/6c/txt.c
@@ -411,7 +411,7 @@ regfree(Node *n)
 	if(n->op != OREGISTER && n->op != OINDREG)
 		goto err;
 	i = n->reg;
-	if(i < 0 || i >= sizeof(reg))
+	if(i < 0 || i >= nelem(reg))
 		goto err;
 	if(reg[i] <= 0)
 		goto err;
diff --git a/src/cmd/6g/gsubr.c b/src/cmd/6g/gsubr.c
index 02df69ac3c6..2fea7daab80 100644
--- a/src/cmd/6g/gsubr.c
+++ b/src/cmd/6g/gsubr.c
@@ -419,7 +419,7 @@ regfree(Node *n)
 	i = n->val.u.reg;
 	if(i == D_SP)
 		return;
-	if(i < 0 || i >= sizeof(reg))
+	if(i < 0 || i >= nelem(reg))
 		fatal("regfree: reg out of range");
 	if(reg[i] <= 0)
 		fatal("regfree: reg not allocated");
diff --git a/src/cmd/8c/txt.c b/src/cmd/8c/txt.c
index b2e0148a0a5..65c551ef6f7 100644
--- a/src/cmd/8c/txt.c
+++ b/src/cmd/8c/txt.c
@@ -372,7 +372,7 @@ regfree(Node *n)
 	if(n->op != OREGISTER && n->op != OINDREG)
 		goto err;
 	i = n->reg;
-	if(i < 0 || i >= sizeof(reg))
+	if(i < 0 || i >= nelem(reg))
 		goto err;
 	if(reg[i] <= 0)
 		goto err;
diff --git a/src/cmd/8g/gsubr.c b/src/cmd/8g/gsubr.c
index dd35c51b082..9cf36459657 100644
--- a/src/cmd/8g/gsubr.c
+++ b/src/cmd/8g/gsubr.c
@@ -893,7 +893,7 @@ regfree(Node *n)
 	i = n->val.u.reg;
 	if(i == D_SP)
 		return;
-	if(i < 0 || i >= sizeof(reg))
+	if(i < 0 || i >= nelem(reg))
 		fatal("regfree: reg out of range");
 	if(reg[i] <= 0)
 		fatal("regfree: reg not allocated");