memcheck/tests/x86/bug487993.cpp

   1 // the original issue ocurred with Eigen3
   2 // this is roughly the same using a simple struct
   3 //
   4 #include <cassert>
   5 #include <memory>
   6 //#include <iostream>
   7
   8 struct Test
   9 {
  10     alignas(16) double array[16];
  11 };
  12
  13 int main()
  14 {
  15     std::unique_ptr<Test> test = std::make_unique<Test>();
  16     //std::cerr << "test " << test.get() << ' ' << (reinterpret_cast<size_t>(test.get()) & 0xfUL) << '\n';
  17     assert((reinterpret_cast<size_t>(test.get()) & 0xfUL) == 0);
  18 }
  19
  20