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111
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1 /* Test whether the -Wcast-qual handles cv-qualified functions correctly. */
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2 /* { dg-do compile } */
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3 /* { dg-options "-Wcast-qual" } */
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4
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5 typedef int (intfn_t) (int);
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6 typedef void (voidfn_t) (void);
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7
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8 typedef const intfn_t *constfn_t;
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9 typedef volatile voidfn_t *noreturnfn_t;
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10
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11 intfn_t intfn;
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12 const intfn_t constfn;
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13 voidfn_t voidfn;
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14 volatile voidfn_t noreturnfn;
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15
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16 intfn_t *i1 = intfn;
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17 intfn_t *i2 = (intfn_t *) intfn;
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18 intfn_t *i3 = constfn;
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19 intfn_t *i4 = (intfn_t *) constfn; /* { dg-bogus "discards qualifier" } */
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20
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21 constfn_t p1 = intfn; /* { dg-warning "makes '__attribute__..const..' qualified function" } */
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22 constfn_t p2 = (constfn_t) intfn; /* { dg-warning "adds '__attribute__..const..' qualifier" } */
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23 constfn_t p3 = constfn;
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24 constfn_t p4 = (constfn_t) constfn;
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25
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26 voidfn_t *v1 = voidfn;
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27 voidfn_t *v2 = (voidfn_t *) voidfn;
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28 voidfn_t *v3 = noreturnfn;
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29 voidfn_t *v4 = (voidfn_t *) noreturnfn; /* { dg-bogus "discards qualifier" } */
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30
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31 noreturnfn_t n1 = voidfn; /* { dg-warning "makes '__attribute__..noreturn..' qualified function" } */
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32 noreturnfn_t n2 = (noreturnfn_t) voidfn; /* { dg-warning "adds '__attribute__..noreturn..' qualifier" } */
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33 noreturnfn_t n3 = noreturnfn;
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34 noreturnfn_t n4 = (noreturnfn_t) noreturnfn;
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