view gcc/testsuite/g++.dg/opt/flifetime-dse3.C @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
line wrap: on
line source

// PR c++/68006
// { dg-do run { target c++11 } }
// { dg-options -O2 }

inline void* operator new(__SIZE_TYPE__, void* ptr)
{
  return ptr;
}

struct X { int x; int y; int z = 42; };

void test_bar(void* p)
{
  new(p) X{};   // Bad.
}

int main()
{
  int ar[3] = { 1,2,3 };
  test_bar (ar);
  return (ar[0] != 0 || ar[1] != 0 || ar[2] != 42);
}