Find usages and autocomplete features don't work when used with anonymous structures

TEMPLATE = app
CONFIG += console
CONFIG -= app_bundle
CONFIG -= qt
QMAKE_CFLAGS += -std=gnu11 -fms-extensions

SOURCES += \
   main.c

HEADERS += \
  main.h

#ifndef MAIN_H
#define MAIN_H

#define TEST_SIZE 512

typedef struct test
{
  struct unnamed_test
  {
    int test_field;
  };

  char reserved[(int)(TEST_SIZE - sizeof(struct unnamed_test))];
} test;

#endif // MAIN_H

#include <stdio.h>
#include "main.h"

int main(int argc, char *argv[])
{
   test t;

   t.test_field = 0xfeed4c0d;

   printf("test_field = %#x\n", t.test_field);

   return 0;
}