Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/torture/pr71132.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-additional-options "-Wno-stringop-overflow" } */ /* The loop below writes past the end of the global object a. When the loop is transformed into a call to memcpy the buffer overflow is detected and diagnosed by the -Wstringop-overflow option enabled by default. */ typedef unsigned size_t; struct { unsigned char buf[sizeof(long)]; } a; size_t b; int main() { size_t c, i; unsigned char *d; for (; c < sizeof(long);) { d = a.buf; b = 0; for (; b < i; b++) *d++ = '\0'; for (; c < b; c++) *d++ = 'a'; c = 0; for (; i < sizeof(long); i++) ; } }