VM precompiler: Allow optimizing static initializers.

runtime/vm/parser.cc

Index: runtime/vm/parser.cc
diff --git a/runtime/vm/parser.cc b/runtime/vm/parser.cc
index f0fda88ecb9e24b517f8d808c4d8c08e75b57bbd..ab5d7572a225c1bcef831d89882e9c74780f82d0 100644
--- a/runtime/vm/parser.cc
+++ b/runtime/vm/parser.cc
@@ -1256,12 +1256,11 @@ ParsedFunction* Parser::ParseStaticFieldInitializer(const Field& field) {
                     field.token_pos()));
   initializer.set_result_type(AbstractType::Handle(zone, field.type()));
   // Static initializer functions are hidden from the user.
-  // Since they are only executed once, we avoid optimizing
-  // and inlining them. After the field is initialized, the
-  // compiler can eliminate the call to the static initializer.
+  // Since they are only executed once, we avoid inlining them.
+  // After the field is initialized, the compiler can eliminate
+  // the call to the static initializer.
   initializer.set_is_reflectable(false);
   initializer.set_is_debuggable(false);
-  initializer.SetIsOptimizable(false);
   initializer.set_is_inlinable(false);
 
   ParsedFunction* parsed_function = new ParsedFunction(thread, initializer);