Add ParameterMirror.isInitializingFormal to dart:mirrors

runtime/lib/mirrors.cc

Index: runtime/lib/mirrors.cc
diff --git a/runtime/lib/mirrors.cc b/runtime/lib/mirrors.cc
index d68e758aa24f20963ac6c42fbdff122ce1938060..e7d28cd5b00d4d36202dd425ac4e7a0d4d249bf7 100644
--- a/runtime/lib/mirrors.cc
+++ b/runtime/lib/mirrors.cc
@@ -118,7 +118,7 @@ static RawInstance* CreateParameterMirrorList(const Function& func,
   const intptr_t index_of_first_named_param =
       non_implicit_param_count - func.NumOptionalNamedParameters();
   const Array& results = Array::Handle(Array::New(non_implicit_param_count));
-  const Array& args = Array::Handle(Array::New(9));
+  const Array& args = Array::Handle(Array::New(10));
 
   Smi& pos = Smi::Handle();
   String& name = String::Handle();
@@ -126,6 +126,7 @@ static RawInstance* CreateParameterMirrorList(const Function& func,
   Bool& is_final = Bool::Handle();
   Object& default_value = Object::Handle();
   Object& metadata = Object::Handle();
+  Object& is_field_initializer = Object::Handle();
 
   // We force compilation of constructors to ensure the types of initializing
   // formals have been corrected. We do not force the compilation of all types
@@ -177,6 +178,9 @@ static RawInstance* CreateParameterMirrorList(const Function& func,
           Parser::kParameterDefaultValueOffset);
       metadata = param_descriptor.At(i * Parser::kParameterEntrySize +
           Parser::kParameterMetadataOffset);
+      is_field_initializer = param_descriptor.At(
+          i * Parser::kParameterEntrySize +
+          Parser::kParameterIsFieldInitializorOffset);
     }
     ASSERT(default_value.IsNull() || default_value.IsInstance());
 
@@ -189,6 +193,7 @@ static RawInstance* CreateParameterMirrorList(const Function& func,
     args.SetAt(6, is_final);
     args.SetAt(7, default_value);
     args.SetAt(8, metadata);
+    args.SetAt(9, is_field_initializer);
     param ^= CreateMirror(Symbols::_LocalParameterMirror(), args);
     results.SetAt(i, param);
   }