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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [g++.dg/] [conversion/] [dr195.C] - Blame information for rev 316

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1 301 jeremybenn
// Copyright (C) 2004 Free Software Foundation, Inc.
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// Contributed by Nathan Sidwell 20 Oct 2004 
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// DR 195 will allow conversions between function and object pointers
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// under some circumstances. It is in drafting, so we don't implement
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// it (yet).
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// This checks we warn when being pedantic.
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typedef void (*PF)(void);
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typedef void *PV;
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typedef int *PO;
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void foo ()
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{
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  PF pf;
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  PV pv;
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  PO po;
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  /* the following two will almost definitly be ok with 195.  */
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  pf = reinterpret_cast (pv); // { dg-warning "casting between" "" }
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  pv = reinterpret_cast (pf); // { dg-warning "casting between" "" }
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  /* the following two might or might not be ok with 195.  */
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  pf = reinterpret_cast (po); // { dg-warning "casting between" "" }
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  po = reinterpret_cast (pf); // { dg-warning "casting between" "" }
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  /* These will never be ok, as they are implicit.  */
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  pv = pf; // { dg-error "invalid conversion" "" }
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  pf = pv; // { dg-error "invalid conversion" "" }
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}

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