Improved printing of HBitwise instructions.

src/hydrogen-instructions.cc

Index: src/hydrogen-instructions.cc
diff --git a/src/hydrogen-instructions.cc b/src/hydrogen-instructions.cc
index b55d40ece85a38d6eee0765ed240b9a71db20578..2c13b8885b3b3c81e6fb95882bc917aa78b55e0e 100644
--- a/src/hydrogen-instructions.cc
+++ b/src/hydrogen-instructions.cc
@@ -2272,6 +2272,13 @@ void HIn::PrintDataTo(StringStream* stream) {
 }
 
 
+void HBitwise::PrintDataTo(StringStream* stream) {
+  stream->Add(Token::Name(op_));
+  stream->Add(" ");
+  HBitwiseBinaryOperation::PrintDataTo(stream);
+}
+
+
 Representation HPhi::InferredRepresentation() {
   bool double_occurred = false;
   bool int32_occurred = false;