58 lines
849 B
C
58 lines
849 B
C
/* PR c/70093 */
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/* { dg-do compile } */
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/* { dg-options "" } */
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/* { dg-require-effective-target alloca } */
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void __attribute__((noinline, noclone))
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foo (int n)
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{
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struct S { int a[n]; };
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struct S __attribute__((noreturn))
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fn (void)
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{
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__builtin_abort ();
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}
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auto struct S __attribute__((noreturn))
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fn2 (void)
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{
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__builtin_abort ();
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}
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struct S x;
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__typeof__ (fn ()) *p = &x;
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switch (n)
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{
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case 1:
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fn ();
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break;
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case 2:
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fn2 ();
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break;
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case 3:
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x = fn ();
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if (x.a[0] != 42)
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__builtin_abort ();
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break;
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case 4:
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if (fn ().a[0] != 42)
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__builtin_abort ();
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break;
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case 5:
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if (p->a[0] != 42)
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__builtin_abort ();
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break;
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case 6:
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if (fn2 ().a[0] != 42)
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__builtin_abort ();
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break;
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}
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}
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int
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main (void)
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{
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foo (1);
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}
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