// RUN: %clangxx_asan -O2 %s -o %t && %t 2>&1 | FileCheck %s #include <stdio.h> #include <stdlib.h> extern "C" bool __asan_symbolize(const void *pc, char *out_buffer, int out_size) { snprintf(out_buffer, out_size, "MySymbolizer"); return true; } int main() { char *x = (char*)malloc(10 * sizeof(char)); free(x); return x[5]; // CHECK: MySymbolizer }