- Remove Isolate::Flags structure and store flags directly in isolate.

runtime/vm/intermediate_language_arm.cc

Index: runtime/vm/intermediate_language_arm.cc
diff --git a/runtime/vm/intermediate_language_arm.cc b/runtime/vm/intermediate_language_arm.cc
index aa8e2dba259f491f9e07db0e39bea66fdddaabfe..d667ef0c3f240decb95db9ed7e6e213ab1c649e0 100644
--- a/runtime/vm/intermediate_language_arm.cc
+++ b/runtime/vm/intermediate_language_arm.cc
@@ -373,13 +373,13 @@ static void EmitAssertBoolean(Register reg,
   ASSERT(locs->always_calls());
   Label done;
 
-  if (Isolate::Current()->flags().type_checks()) {
+  if (Isolate::Current()->type_checks()) {
     __ CompareObject(reg, Bool::True());
     __ b(&done, EQ);
     __ CompareObject(reg, Bool::False());
     __ b(&done, EQ);
   } else {
-    ASSERT(Isolate::Current()->flags().asserts());
+    ASSERT(Isolate::Current()->asserts());
     __ CompareObject(reg, Object::null_instance());
     __ b(&done, NE);
   }