libgo: Update to October 24 version of master library.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@204466 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 5 insertions, 2 deletions

diff --git a/libgo/go/crypto/rand/rand.go b/libgo/go/crypto/rand/rand.go
index 59759038ee0..4da3adb7010 100644
--- a/libgo/go/crypto/rand/rand.go
+++ b/libgo/go/crypto/rand/rand.go
@@ -14,5 +14,8 @@ import "io"
 // On Windows systems, Reader uses the CryptGenRandom API.
 var Reader io.Reader
 
-// Read is a helper function that calls Reader.Read.
-func Read(b []byte) (n int, err error) { return Reader.Read(b) }
+// Read is a helper function that calls Reader.Read using io.ReadFull.
+// On return, n == len(b) if and only if err == nil.
+func Read(b []byte) (n int, err error) {
+	return io.ReadFull(Reader, b)
+}