Fix warning + death test + failing test on Windows (D39072).

[flowerhack]

Summary

Fixes https://reviews.llvm.org/D39072

[cryptoad]

lib/sanitizer_common/sanitizer_win.cc

253

Also use addr_as_void here (otherwise it's going to complain it's not used either).
Or remove addr_as_void and leave the cast.

lib/sanitizer_common/sanitizer_win.cc

uptr ReservedAddressRange::Map(uptr fixed_addr, uptr size,
   }
   return reinterpret_cast<uptr>(MmapFixedOrDie(fixed_addr, size));
 }
 
 void ReservedAddressRange::Unmap(uptr addr, uptr size) {
   void* addr_as_void = reinterpret_cast<void*>(addr);
   uptr base_as_uptr = reinterpret_cast<uptr>(base_);
   // Only unmap if it covers the entire range.
-  CHECK((addr_as_void == base_) && (size == size_));
+  CHECK((addr == base_as_uptr) && (size == size_));
   UnmapOrDie(reinterpret_cast<void*>(addr), size);
 }
 
 void *MmapFixedOrDieOnFatalError(uptr fixed_addr, uptr size) {
   void *p = VirtualAlloc((LPVOID)fixed_addr, size,
       MEM_COMMIT, PAGE_READWRITE);
   if (p == 0) {
     char mem_type[30];
     internal_snprintf(mem_type, sizeof(mem_type), "memory at address 0x%zx",