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