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/* { dg-options "-O2" } */ /* { dg-do run } */ struct S { int i; } s; void f (struct S *q) { int a, *p; p = &a; if (q) p = &q->i; *p = 1; } void abort (void); int main (void) { f (&s); if (s.i != 1) abort (); return 0; }