Remove instantiator argument in generated code for type tests.

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 30c4a6fd645f55406e79adf68b87f067bca25009..97de0b1c32ed8a999c8a147c4048ff6c435a9efc 100644
--- a/runtime/vm/il_printer.cc
+++ b/runtime/vm/il_printer.cc
@@ -405,9 +405,6 @@ void AssertAssignableInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print(", %s, '%s'",
            dst_type().ToCString(),
            dst_name().ToCString());
-  f->Print(" instantiator(");
-  instantiator()->PrintTo(f);
-  f->Print(")");
   f->Print(" instantiator_type_arguments(");
   instantiator_type_arguments()->PrintTo(f);
   f->Print(")");
@@ -551,9 +548,6 @@ void InstanceOfInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print(" %s %s",
             negate_result() ? "ISNOT" : "IS",
             String::Handle(type().Name()).ToCString());
-  f->Print(" instantiator(");
-  instantiator()->PrintTo(f);
-  f->Print(")");
   f->Print(" type-arg(");
   instantiator_type_arguments()->PrintTo(f);
   f->Print(")");