forked from OSchip/llvm-project
25 lines
640 B
C++
25 lines
640 B
C++
// RUN: %clangxx_asan -O0 -mllvm -asan-instrument-dynamic-allocas %s -o %t
|
|
// RUN: %clangxx_asan -O3 -mllvm -asan-instrument-dynamic-allocas %s -o %t
|
|
// RUN: %run %t 2>&1
|
|
//
|
|
|
|
#include "sanitizer/asan_interface.h"
|
|
#include <assert.h>
|
|
|
|
__attribute__((noinline)) void foo(int index, int len) {
|
|
volatile char str[len] __attribute__((aligned(32)));
|
|
assert(!(reinterpret_cast<long>(str) & 31L));
|
|
char *q = (char *)__asan_region_is_poisoned((char *)str, 64);
|
|
assert(q && ((q - str) == index));
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
for (int i = 1; i < 33; ++i)
|
|
foo(i, i);
|
|
|
|
for (int i = 1; i < 33; ++i)
|
|
foo(i, i);
|
|
|
|
return 0;
|
|
}
|