merge from dev

test/main-override.cpp

@@ -105,6 +105,10 @@ static void various_tests() {
   delete t;
   t = new (std::nothrow) Test(42);
   delete t;
+  auto tbuf = new unsigned char[sizeof(Test)];
+  t = new (tbuf) Test(42);
+  t->~Test();
+  delete tbuf;
 }
 
 class Static {

test/test-stress.c

@@ -7,7 +7,7 @@ terms of the MIT license.
 /* This is a stress test for the allocator, using multiple threads and
    transferring objects between threads. It tries to reflect real-world workloads:
    - allocation size is distributed linearly in powers of two
-   - with some fraction extra large (and some extra extra large)
+   - with some fraction extra large (and some very large)
    - the allocations are initialized and read again at free
    - pointers transfer between threads
    - threads are terminated and recreated with some objects surviving in between