62 lines
1.2 KiB
C
62 lines
1.2 KiB
C
// PR optimization/11646
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// Origin: <nick@ilm.com>
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// This used to fail because the compiler inadvertently cleared
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// the EDGE_ABNORMAL flag on a EDGE_EH edge and didn't delete
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// unreachable blocks after CSE.
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// { dg-do compile }
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// { dg-options "-O -fgcse -fnon-call-exceptions" }
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struct C
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{
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int i;
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};
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struct allocator
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{
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~allocator() throw() {}
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};
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struct _Vector_alloc_base
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{
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_Vector_alloc_base(const allocator& __a) {}
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allocator _M_data_allocator;
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struct C *_M_start, *_M_end_of_storage;
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void _M_deallocate(struct C* __p, unsigned int __n) {}
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};
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struct _Vector_base : _Vector_alloc_base
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{
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_Vector_base(const allocator& __a) : _Vector_alloc_base(__a) { }
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~_Vector_base() { _M_deallocate(0, _M_end_of_storage - _M_start); }
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};
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struct vector : _Vector_base
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{
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vector(const allocator& __a = allocator()) : _Vector_base(__a) {}
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struct C& operator[](unsigned int __n) { return *_M_start; }
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};
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struct A
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{
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float l() const;
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A operator-(const A &) const;
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const A& operator=(float) const;
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};
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struct B
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{
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float d();
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};
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float f(const A& a, B& b)
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{
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vector vc;
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int index = vc[0].i;
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A aa;
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float d = (aa - a).l();
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if (d > b.d()) aa = 0;
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return b.d();
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}
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