Update mojo sdk to rev 8d45c89c30b230843c5bd6dd0693a555750946c0

third_party/mojo/src/mojo/public/go/bindings/encoder.go

Index: third_party/mojo/src/mojo/public/go/bindings/encoder.go
diff --git a/third_party/mojo/src/mojo/public/go/bindings/encoder.go b/third_party/mojo/src/mojo/public/go/bindings/encoder.go
index 210d9b01a0ed5a39d74065ad39e1e4f46709cf05..5ea1a50cdfcca72257289161eb1ebc2a22c43cc0 100644
--- a/third_party/mojo/src/mojo/public/go/bindings/encoder.go
+++ b/third_party/mojo/src/mojo/public/go/bindings/encoder.go
@@ -36,6 +36,13 @@ type encodingState struct {
 	elementsProcessed uint32
 }
 
+func (s *encodingState) alignOffsetToBytes() {
+	if s.bitOffset > 0 {
+		s.offset++
+		s.bitOffset = 0
+	}
+}
+
 func (s *encodingState) skipBits(count uint32) {
 	s.bitOffset += count
 	s.offset += int(s.bitOffset >> 3) // equal to s.bitOffset / 8
@@ -63,16 +70,6 @@ type Encoder struct {
 	stateStack []encodingState
 }
 
-func align(size, alignment int) int {
-	return ((size - 1) | (alignment - 1)) + 1
-}
-
-// bytesForBits returns minimum number of bytes required to store provided
-// number of bits.
-func bytesForBits(bits uint64) int {
-	return int((bits + 7) / 8)
-}
-
 func ensureElementBitSizeAndCapacity(state *encodingState, bitSize uint32) error {
 	if state == nil {
 		return fmt.Errorf("empty state stack")
@@ -213,6 +210,7 @@ func (e *Encoder) WriteUint8(value uint8) error {
 	if err := ensureElementBitSizeAndCapacity(e.state(), 8); err != nil {
 		return err
 	}
+	e.state().alignOffsetToBytes()
 	e.buf[e.state().offset] = value
 	e.state().skipBytes(1)
 	e.state().elementsProcessed++
@@ -229,6 +227,7 @@ func (e *Encoder) WriteUint16(value uint16) error {
 	if err := ensureElementBitSizeAndCapacity(e.state(), 16); err != nil {
 		return err
 	}
+	e.state().alignOffsetToBytes()
 	e.state().offset = align(e.state().offset, 2)
 	binary.LittleEndian.PutUint16(e.buf[e.state().offset:], value)
 	e.state().skipBytes(2)
@@ -246,6 +245,7 @@ func (e *Encoder) WriteUint32(value uint32) error {
 	if err := ensureElementBitSizeAndCapacity(e.state(), 32); err != nil {
 		return err
 	}
+	e.state().alignOffsetToBytes()
 	e.state().offset = align(e.state().offset, 4)
 	binary.LittleEndian.PutUint32(e.buf[e.state().offset:], value)
 	e.state().skipBytes(4)
@@ -263,6 +263,7 @@ func (e *Encoder) WriteUint64(value uint64) error {
 	if err := ensureElementBitSizeAndCapacity(e.state(), 64); err != nil {
 		return err
 	}
+	e.state().alignOffsetToBytes()
 	e.state().offset = align(e.state().offset, 8)
 	binary.LittleEndian.PutUint64(e.buf[e.state().offset:], value)
 	e.state().skipBytes(8)