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annotate gcc/testsuite/gcc.dg/Wstringop-overflow-13.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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145
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1 /* PR middle-end/89957 - ICE calling strnlen with an int128_t bound
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2 in a known range
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3 PR middle-end/89911 - ICE on a call with no arguments to strnlen
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4 declared with no prototype
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5 { dg-do compile }
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6 { dg-options "-O2 -Wall" } */
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7
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8 typedef __SIZE_TYPE__ size_t;
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9
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10 extern size_t strnlen ();
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11
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12 size_t f0 (void)
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13 {
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14 return strnlen (); /* { dg-warning "too few arguments to built-in function 'strnlen'" } */
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15 }
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16
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17 size_t f1 (const char *s)
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18 {
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19 return strnlen (s); /* { dg-warning "too few arguments to built-in function 'strnlen'" } */
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20 }
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21
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22 size_t f2 (const char *s)
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23 {
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24 return strnlen (s, s); /* { dg-warning "\\\[-Wint-conversion]" } */
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25 }
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26
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27 #if __SIZEOF_INT128__ == 16
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28
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29 size_t fi128 (const char *s, __int128_t n)
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30 {
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31 if (n < 0)
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32 n = 0;
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33
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34 /* PR middle-end/89957 */
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35 return strnlen (s, n); /* { dg-warning "\\\[-Wbuiltin-declaration-mismatch]" "int128" { target int128 } } */
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36 }
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37
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38 #endif
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39
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40 /* { dg-prune-output "\\\[-Wint-conversion]" } */