[wasm] Generate correct locations for error messages

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index 8798e409788a4af0dc274c305197c0a1b25f256e..d7400d9b20c6c5ad3ef7e56dc4b04edcb9fef723 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -264,7 +264,8 @@ static ScriptOrigin GetScriptOriginForScript(i::Isolate* isolate,
       v8::Boolean::New(v8_isolate, options.IsSharedCrossOrigin()),
       v8::Integer::New(v8_isolate, script->id()),
       Utils::ToLocal(source_map_url),
-      v8::Boolean::New(v8_isolate, options.IsOpaque()));
+      v8::Boolean::New(v8_isolate, options.IsOpaque()),
+      v8::Boolean::New(v8_isolate, script->type() == i::Script::TYPE_WASM));
   return origin;
 }