[Kernel] replace function debuggable field with originalAsyncMarker field

pkg/kernel/lib/transformations/method_call.dart

Index: pkg/kernel/lib/transformations/method_call.dart
diff --git a/pkg/kernel/lib/transformations/method_call.dart b/pkg/kernel/lib/transformations/method_call.dart
index 6784dd353edcca3efcefde07fdba29687c90f649..8253590002361db6c35e92c7709b7a5c97eefb53 100644
--- a/pkg/kernel/lib/transformations/method_call.dart
+++ b/pkg/kernel/lib/transformations/method_call.dart
@@ -761,7 +761,8 @@ class MethodCallTransformer extends Transformer {
         namedParameters: [],
         requiredParameterCount: newParameters.length,
         returnType: function.returnType,
-        asyncMarker: function.asyncMarker);
+        asyncMarker: function.asyncMarker,
+        originalAsyncMarker: function.originalAsyncMarker);
     return functionNode;
   }
 
@@ -868,7 +869,8 @@ class MethodCallTransformer extends Transformer {
         namedParameters: [],
         requiredParameterCount: newParameterDeclarations.length,
         returnType: existing.function.returnType,
-        asyncMarker: existing.function.asyncMarker);
+        asyncMarker: existing.function.asyncMarker,
+        originalAsyncMarker: existing.function.originalAsyncMarker);
     final procedure = new Procedure(
         procedureName, ProcedureKind.Method, functionNode,
         isStatic: existing.isStatic, fileUri: existing.fileUri);
@@ -993,7 +995,8 @@ class MethodCallTransformer extends Transformer {
         namedParameters: [],
         requiredParameterCount: newParameterDeclarations.length,
         returnType: target.function.returnType,
-        asyncMarker: target.function.asyncMarker);
+        asyncMarker: target.function.asyncMarker,
+        originalAsyncMarker: target.function.originalAsyncMarker);
     final procedure = new Procedure(
         _createName(target.name, argumentsSignature),
         ProcedureKind.Method,
@@ -1050,7 +1053,8 @@ class MethodCallTransformer extends Transformer {
         namedParameters: [],
         requiredParameterCount: newParameterDeclarations.length,
         returnType: target.function.returnType,
-        asyncMarker: target.function.asyncMarker);
+        asyncMarker: target.function.asyncMarker,
+        originalAsyncMarker: target.function.originalAsyncMarker);
     final constructor = new Constructor(functionNode,
         name: _createName(target.name, argumentsSignature),
         isConst: target.isConst,