36 lines · cpp
1// Check that we can store lots of stack frames if asked to.2 3// RUN: %clangxx_asan -O0 %s -o %t 2>&14// RUN: %env_asan_opts=malloc_context_size=125:redzone=512 not %run %t 2>&1 | FileCheck %s5// REQUIRES: stable-runtime6#include <stdlib.h>7#include <stdio.h>8 9template <int depth>10struct DeepFree {11 static void free(char *x) {12 DeepFree<depth - 1>::free(x);13 }14};15 16template<>17struct DeepFree<0> {18 static void free(char *x) {19 ::free(x);20 }21};22 23int main() {24 char *x = (char*)malloc(10);25 // deep_free(x);26 DeepFree<200>::free(x);27 return x[5];28 // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}29 // The libcxxrt demangling procedure on FreeBSD 9.2 incorrectly appends30 // extra 'E' characters to the end of template arguments; see:31 // https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=19211532 // CHECK: {{DeepFree<36>|DeepFree<36E>}}33 // CHECK: {{DeepFree<98>|DeepFree<98E>}}34 // CHECK: {{DeepFree<115>|DeepFree<115E>}}35}36