46 lines
649 B
C
46 lines
649 B
C
// { dg-options "-O2" }
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// Contributed by Nathan Sidwell 22 Dec 2003 <nathan@codesourcery.com>
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// Origin: rsandifo@redhat.com
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// PR c++/13387. Alias sets were incorrect
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struct C {
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C(short *p = 0, int i = 0) : ptr (p), index (i) {}
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short operator*() { return ptr[index]; }
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short *ptr;
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int index;
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};
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C f1 (C) __attribute__ ((noinline));
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C f1 (C x)
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{
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return x;
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}
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void f2 (short)__attribute__ ((noinline));;
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short s;
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void f2 (short s_)
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{
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s = s_;
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}
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C g (C x)__attribute__ ((noinline));
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C g (C x)
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{
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x = f1 (x);
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f2 (*x);
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return x;
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}
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int main ()
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{
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short p[2] = { 0x1234, 0x5678 };
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C x (p, 1);
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g (x);
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return s != p[1];
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}
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