- Use canonicalized type of non-parameterized classes when

runtime/vm/flow_graph_type_propagator.cc

Index: runtime/vm/flow_graph_type_propagator.cc
===================================================================
--- runtime/vm/flow_graph_type_propagator.cc	(revision 31191)
+++ runtime/vm/flow_graph_type_propagator.cc	(working copy)
@@ -808,17 +808,23 @@
 
 
 CompileType CurrentContextInstr::ComputeType() const {
-  return CompileType::FromCid(kContextCid);
+  return CompileType(CompileType::kNonNullable,
+                     kContextCid,
+                     &AbstractType::ZoneHandle(Type::DynamicType()));
 }
 
 
 CompileType CloneContextInstr::ComputeType() const {
-  return CompileType::FromCid(kContextCid);
+  return CompileType(CompileType::kNonNullable,
+                     kContextCid,
+                     &AbstractType::ZoneHandle(Type::DynamicType()));
 }
 
 
 CompileType AllocateContextInstr::ComputeType() const {
-  return CompileType::FromCid(kContextCid);
+  return CompileType(CompileType::kNonNullable,
+                     kContextCid,
+                     &AbstractType::ZoneHandle(Type::DynamicType()));
 }