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111
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1 /* Test for multiple declarations and composite types, with built-in
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2 functions. */
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3 /* Origin: Joseph Myers <jsm@polyomino.org.uk> */
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4 /* { dg-do compile } */
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5 /* { dg-options "-std=c89 -Wformat -g" } */
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6
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7 void
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8 f (void)
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9 {
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10 int printf;
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11 int strcmp;
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12 {
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13 int printf (const char *, ...);
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14 int strcmp ();
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15 /* Should get format warnings even though the built-in declaration
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16 isn't "visible". */
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17 printf (
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18 "%s", 1); /* { dg-warning "8:format" } */
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19 /* The type of strcmp here should have no prototype. */
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20 if (0)
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21 strcmp (1);
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22 /* Likewise, implicitly declared memcmp. */
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23 if (0)
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24 memcmp (1);
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25 }
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26 }
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27
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28 /* Should still diagnose incompatible prototype for strcmp. */
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29 int strcmp (void); /* { dg-error "conflict" } */
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145
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30
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31 /* { dg-prune-output "\\\[-Wbuiltin-declaration-mismatch]" }
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32 { dg-prune-output "\\\[-Wint-conversion]" } */
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