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comparison 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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131:84e7813d76e9 145:1830386684a0
1 /* PR middle-end/89957 - ICE calling strnlen with an int128_t bound
2 in a known range
3 PR middle-end/89911 - ICE on a call with no arguments to strnlen
4 declared with no prototype
5 { dg-do compile }
6 { dg-options "-O2 -Wall" } */
7
8 typedef __SIZE_TYPE__ size_t;
9
10 extern size_t strnlen ();
11
12 size_t f0 (void)
13 {
14 return strnlen (); /* { dg-warning "too few arguments to built-in function 'strnlen'" } */
15 }
16
17 size_t f1 (const char *s)
18 {
19 return strnlen (s); /* { dg-warning "too few arguments to built-in function 'strnlen'" } */
20 }
21
22 size_t f2 (const char *s)
23 {
24 return strnlen (s, s); /* { dg-warning "\\\[-Wint-conversion]" } */
25 }
26
27 #if __SIZEOF_INT128__ == 16
28
29 size_t fi128 (const char *s, __int128_t n)
30 {
31 if (n < 0)
32 n = 0;
33
34 /* PR middle-end/89957 */
35 return strnlen (s, n); /* { dg-warning "\\\[-Wbuiltin-declaration-mismatch]" "int128" { target int128 } } */
36 }
37
38 #endif
39
40 /* { dg-prune-output "\\\[-Wint-conversion]" } */