gcc/testsuite/gcc.dg/guality/nrv-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-g -fno-tree-sra" } */
   3
   4 void abort (void);
   5
   6 struct A
   7 {
   8   int i[100];
   9 };
  10
  11 struct A a1 __attribute__((used)), a3;
  12
  13 __attribute__((noinline)) struct A
  14 f ()
  15 {
  16   struct A a2;
  17   a2.i[0] = 42;
  18   if (a3.i[0] != 0)
  19     abort ();
  20   a2.i[4] = 7;  /* { dg-final { gdb-test 20 "a2.i\[0\]" "42" } } */
  21   return a2;
  22 }
  23
  24 int
  25 main ()
  26 {
  27   a1 = f ();
  28   return 0;
  29 }