38 lines
519 B
C
38 lines
519 B
C
/* PR 24255 */
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/* { dg-do run } */
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/* { dg-options "-O" } */
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extern void abort (void);
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union wait { int w_status; };
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typedef union
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{
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union wait *uptr;
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int *iptr;
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} WAIT_STATUS __attribute__ ((__transparent_union__));
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int status;
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union wait wstatus;
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void __attribute__((noinline))
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test1 (WAIT_STATUS s)
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{
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if (s.iptr != &status)
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abort ();
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}
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void __attribute__((noinline))
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test2 (WAIT_STATUS s)
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{
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if (s.uptr != &wstatus)
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abort ();
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}
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int main()
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{
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test1 (&status);
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test2 (&wstatus);
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return 0;
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}
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