[modules] Do path resolution relative to each module file in d8

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 544889ce50da517a5d211203c8d7ad5614702a3a..f4d5f6dc139c5c88cf197c1e6239e103f9ddcfbd 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -7945,6 +7945,9 @@ class Module : public Struct {
   // Storage for [[Evaluated]]
   DECL_INT_ACCESSORS(flags)
 
+  // Embedder-specified data
+  DECL_ACCESSORS(embedder_data, Object)
+
   static void CreateExport(Handle<Module> module, Handle<FixedArray> names);
   static void StoreExport(Handle<Module> module, Handle<String> name,
                           Handle<Object> value);
@@ -7954,7 +7957,8 @@ class Module : public Struct {
   static const int kExportsOffset = kCodeOffset + kPointerSize;
   static const int kRequestedModulesOffset = kExportsOffset + kPointerSize;
   static const int kFlagsOffset = kRequestedModulesOffset + kPointerSize;
-  static const int kSize = kFlagsOffset + kPointerSize;
+  static const int kEmbedderDataOffset = kFlagsOffset + kPointerSize;
+  static const int kSize = kEmbedderDataOffset + kPointerSize;
 
  private:
   enum { kEvaluatedBit };