Mercurial > hg > CbC > CbC_gcc

comparison gcc/testsuite/gcc.dg/Wrestrict-3.c @ 131:84e7813d76e9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents
children
comparison
equal deleted inserted replaced
111:04ced10e8804 131:84e7813d76e9
1 /* Test to verify that the call below with the out-of-bounds offset
2 doesn't trigger an internal assertion and is diagnosed.
3 { dg-do compile }
4 { dg-options "-O2 -Wrestrict" } */
5
6 #define DIFF_MAX __PTRDIFF_MAX__
7
8 void test_no_ice (int *d, __PTRDIFF_TYPE__ i, __SIZE_TYPE__ n)
9 {
10 if (i < DIFF_MAX / sizeof *d - 1 || DIFF_MAX / sizeof *d + 2 < i)
11 i = DIFF_MAX / sizeof *d - 1;
12
13 if (n < DIFF_MAX)
14 n = DIFF_MAX / sizeof *d;
15
16 __builtin_strncpy ((char*)(d + i), (char*)d, n); /* { dg-warning "\\\[-Wrestrict]" } */
17 }