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libsanitizer: add test-case

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gcc/testsuite/ChangeLog:

	PR sanitizer/97414
	* g++.dg/asan/pr97414.C: New test.
This commit is contained in:
Martin Liska 2020-10-21 09:28:56 +02:00
parent b69f33f477
commit 6c5b08a2ca
1 changed files with 19 additions and 0 deletions
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gcc/testsuite/g++.dg/asan/pr97414.C Normal file
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/* PR sanitizer/97414 */
/* { dg-do run } */
/* { dg-set-target-env-var ASAN_OPTIONS "detect_invalid_pointer_pairs=1:halt_on_error=1,detect_stack_use_after_return=1" } */
/* { dg-options "-fsanitize=address,pointer-compare,pointer-subtract" } */
[[gnu::noinline]] auto pointer_diff(const int *begin, const int *end) {
return end - begin;
}
int main() {
constexpr auto size = (2048 / sizeof(int)) + 1;
auto buf = new int[size];
auto end = buf + size;
pointer_diff(end, buf);
delete[] buf;
return 0;
}