llvm-project/compiler-rt/test/lsan/TestCases/ignore_object.cc

25 lines
787 B
C++

// Test for __lsan_ignore_object().
// RUN: LSAN_BASE="report_objects=1:use_registers=0:use_stacks=0:use_globals=0:use_tls=0:verbosity=2"
// RUN: %clangxx_lsan %s -o %t
// RUN: LSAN_OPTIONS=$LSAN_BASE ASAN_OPTIONS=$ASAN_OPTIONS:"verbosity=2" not %run %t 2>&1 | FileCheck %s
#include <stdio.h>
#include <stdlib.h>
#include "sanitizer/lsan_interface.h"
int main() {
// Explicitly ignored object.
void **p = new void *;
// Transitively ignored object.
*p = malloc(666);
// Non-ignored object.
volatile void *q = malloc(1337);
fprintf(stderr, "Test alloc: %p.\n", p);
__lsan_ignore_object(p);
return 0;
}
// CHECK: Test alloc: [[ADDR:.*]].
// CHECK: ignoring heap object at [[ADDR]]
// CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer: 1337 byte(s) leaked in 1 allocation(s)