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1// RUN: %clang_dfsan %s -fsanitize-ignorelist=%S/Inputs/flags_abilist.txt -DFORCE_ZERO_LABELS -o %t && %run %t2// RUN: %clang_dfsan %s -o %t && %run %t3 4#include <sanitizer/dfsan_interface.h>5 6#include <assert.h>7 8int function_to_force_zero(int i, int* out) {9  *out = i;10  return i;11}12 13int main(void) {14  int i = 1;15  dfsan_label i_label = 2;16  dfsan_set_label(i_label, &i, sizeof(i));17 18  int out = 0;19  int ret = function_to_force_zero(i, &out);20 21#ifdef FORCE_ZERO_LABELS22  assert(dfsan_get_label(out) == 0);23  assert(dfsan_get_label(ret) == 0);24#else25  assert(dfsan_get_label(out) == i_label);26  assert(dfsan_get_label(ret) == i_label);27#endif28 29  return 0;30}31