[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 17b904b046ebb757614c2e2b7f5e5eb5de14cf7f..37c289abf4809a52b8ccf45753711fedd662e65c 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;
 }