Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/Wrestrict-3.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
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/* Test to verify that the call below with the out-of-bounds offset doesn't trigger an internal assertion and is diagnosed. { dg-do compile } { dg-options "-O2 -Wrestrict" } */ #define DIFF_MAX __PTRDIFF_MAX__ void test_no_ice (int *d, __PTRDIFF_TYPE__ i, __SIZE_TYPE__ n) { if (i < DIFF_MAX / sizeof *d - 1 || DIFF_MAX / sizeof *d + 2 < i) i = DIFF_MAX / sizeof *d - 1; if (n < DIFF_MAX) n = DIFF_MAX / sizeof *d; __builtin_strncpy ((char*)(d + i), (char*)d, n); /* { dg-warning "\\\[-Wrestrict]" } */ }