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// RUN: %clangxx_asan %s -o %t && not %run %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -O %s -o %t && not %run %t 2>&1 | FileCheck %s
// Check that we can find huge buffer overflows to the left.
#include <stdlib.h>
#include <string.h>
int main(int argc, char **argv) {
char *x = (char*)malloc(1 << 20);
memset(x, 0, 10);
int res = x[-argc * 4000]; // BOOOM
// CHECK: is located 4000 bytes to the left of
free(x);
return res;
}
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