gcc/testsuite/c-c++-common/analyzer/first-field-1.c

   1 #include "../../gcc.dg/analyzer/analyzer-decls.h"
   2
   3 typedef struct base_obj
   4 {
   5   int m_first;
   6   int m_second;
   7 } base_obj;
   8
   9 typedef struct sub_obj
  10 {
  11   base_obj base;
  12 } sub_obj;
  13
  14 void test (sub_obj *sub)
  15 {
  16   sub->base.m_first = 1;
  17   sub->base.m_second = 2;
  18   __analyzer_eval (sub->base.m_first == 1); /* { dg-warning "TRUE" } */
  19   __analyzer_eval (sub->base.m_second == 2); /* { dg-warning "TRUE" } */
  20
  21   base_obj *base = (struct base_obj *)sub;
  22   __analyzer_eval (base->m_first == 1); /* { dg-warning "TRUE" } */
  23   __analyzer_eval (base->m_second == 2); /* { dg-warning "TRUE" } */
  24 }