big: fix memory corruption in nat.shr

R=gri CC=golang-dev https://golang.org/cl/1084041

big: fix memory corruption in nat.shr
R=gri CC=golang-dev https://golang.org/cl/1084041
9995dec9 · Russ Cox · 23c0aa39 · 9995dec9
Commit 9995dec9 authored May 03, 2010 by Russ Cox
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nat.go src/pkg/big/nat.go +1 -1

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--- a/src/pkg/big/nat.go
+++ b/src/pkg/big/nat.go
@@ -785,7 +785,7 @@ func (z nat) shr(x nat, s uint) nat {
 	}
 	z = z.make(n)
-	shrVW(&z[0], &x[m-n], Word(s%_W), m)
+	shrVW(&z[0], &x[m-n], Word(s%_W), n)
 	return z.norm()
 }