extend override test on windows

test/main-override-dep.cpp

@@ -1,6 +1,7 @@
 // Issue #981: test overriding allocation in a DLL that is compiled independent of mimalloc. 
 // This is imported by the `mimalloc-test-override` project.
 #include <string>
+#include <iostream>
 #include "main-override-dep.h"
 
 std::string TestAllocInDll::GetString()
@@ -10,6 +11,41 @@ std::string TestAllocInDll::GetString()
 	const char* t = "test";
 	memcpy(test, t, 4);
 	std::string r = test;
+  std::cout << "override-dep: GetString: " << r << "\n";
 	delete[] test;
 	return r;
-}
+}
+
+
+class Static {
+private:
+  void* p;
+public:
+  Static() {
+    printf("override-dep: static constructor\n");
+    p = malloc(64);
+    return;
+  }
+  ~Static() {
+    free(p);
+    printf("override-dep: static destructor\n");
+    return;
+  }
+};
+
+static Static s = Static();
+
+
+#include <windows.h>
+
+BOOL WINAPI DllMain(HINSTANCE module, DWORD reason, LPVOID reserved) {
+  (void)(reserved);
+  (void)(module);
+  if (reason==DLL_PROCESS_ATTACH) {
+    printf("override-dep: dll attach\n");
+  }
+  else if (reason==DLL_PROCESS_DETACH) {
+    printf("override-dep: dll detach\n");
+  }  
+  return TRUE;
+}