modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/pr39120.c (about)

     1  struct X { int *p; } x;
     2  
     3  struct X __attribute__((noinline))
     4  foo(int *p) { struct X x; x.p = p; return x; }
     5  
     6  void __attribute((noinline))
     7  bar() { *x.p = 1; }
     8  
     9  extern void abort (void);
    10  int main()
    11  {
    12    int i = 0;
    13    x = foo(&i);
    14    bar();
    15    if (i != 1)
    16      abort ();
    17    return 0;
    18  }