compiler-rt/test/sanitizer_common/TestCases/symbolize_stack.cpp

   1 // RUN: %clangxx -O0 %s -o %t && %run %t 2>&1 | FileCheck %s
   2
   3 // Test that symbolizer does not crash on frame with large function name.
   4
   5 // On Darwin LSan reports a false positive
   6 // UNSUPPORTED: darwin && lsan
   7
   8 #include <sanitizer/common_interface_defs.h>
   9 #include <vector>
  10
  11 template <int N> struct A {
  12   template <class T> void RecursiveTemplateFunction(const T &t);
  13 };
  14
  15 template <int N>
  16 template <class T>
  17 __attribute__((noinline)) void A<N>::RecursiveTemplateFunction(const T &) {
  18   std::vector<T> t;
  19   return A<N - 1>().RecursiveTemplateFunction(t);
  20 }
  21
  22 template <>
  23 template <class T>
  24 __attribute__((noinline)) void A<0>::RecursiveTemplateFunction(const T &) {
  25   __sanitizer_print_stack_trace();
  26 }
  27
  28 int main() {
  29   // CHECK: {{vector<.*vector<.*vector<.*vector<.*vector<}}
  30   A<10>().RecursiveTemplateFunction(0);
  31 }