compiler-rt/test/lsan/TestCases/pointer_to_self.cpp

   1 // Regression test: pointers to self should not confuse LSan into thinking the
   2 // object is indirectly leaked. Only external pointers count.
   3 // RUN: %clangxx_lsan %s -o %t
   4 // RUN: %env_lsan_opts="report_objects=1:use_registers=0:use_stacks=0" not %run %t 2>&1 | FileCheck %s
   5
   6 #include <stdio.h>
   7 #include <stdlib.h>
   8 #include "sanitizer_common/print_address.h"
   9
  10 int main() {
  11   void *p = malloc(1337);
  12   *reinterpret_cast<void **>(p) = p;
  13   print_address("Test alloc: ", 1, p);
  14 }
  15 // CHECK: Test alloc: [[ADDR:0x[0-9,a-f]+]]
  16 // CHECK: LeakSanitizer: detected memory leaks
  17 // CHECK: [[ADDR]] (1337 bytes)
  18 // CHECK: SUMMARY: {{.*}}Sanitizer: