Fix ConstantPropagator::VisitBinaryDoubleOp to work with all integer types.

runtime/vm/il_printer.cc

Index: runtime/vm/il_printer.cc
diff --git a/runtime/vm/il_printer.cc b/runtime/vm/il_printer.cc
index 1861aeb20c2fc5eb7940ae16a0281e48ff82b8f4..e9eea97c1bb91a3f9b0dd57c04f97c0c674475c2 100644
--- a/runtime/vm/il_printer.cc
+++ b/runtime/vm/il_printer.cc
@@ -867,6 +867,15 @@ void UnaryDoubleOpInstr::PrintOperandsTo(BufferFormatter* f) const {
 }
 
 
+void CheckClassIdInstr::PrintOperandsTo(BufferFormatter* f) const {
+  value()->PrintTo(f);
+
+  const Class& cls =
+    Class::Handle(Isolate::Current()->class_table()->At(cid()));
+  f->Print(", %s", String::Handle(cls.PrettyName()).ToCString());
+}
+
+
 void CheckClassInstr::PrintOperandsTo(BufferFormatter* f) const {
   value()->PrintTo(f);
   PrintICDataHelper(f, unary_checks());