- file: prevent error when closing a file twice (e.g. close and dtor)
- file_system_posix: export from DLL
- path_util: add some unicode versions of functions
- ia32: robustify, prevent hook reentry due to failure in disassembly,
gracefully handle breakpoints that overwrite code
- wdbg_heap: fix wdbg_heap_Validate
This was SVN commit r6264.