modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/920810-1.c (about)

     1  #include <stdio.h>
     2  #include <string.h>
     3  #include <stdlib.h>
     4  
     5  typedef struct{void*super;int name;int size;}t;
     6  t*f(t*clas,int size)
     7  {
     8    t*child=(t*)malloc(size);
     9    memcpy(child,clas,clas->size);
    10    child->super=clas;
    11    child->name=0;
    12    child->size=size;
    13    return child;
    14  }
    15  main()
    16  {
    17    t foo,*bar;
    18    memset(&foo,37,sizeof(t));
    19    foo.size=sizeof(t);
    20    bar=f(&foo,sizeof(t));
    21    if(bar->super!=&foo||bar->name!=0||bar->size!=sizeof(t))abort();
    22    exit(0);
    23  }