[issue20160] broken ctypes calling convention on MSVC / 64-bit Windows (large structs)

2016-09-15 Thread Rafał Chłodnicki
Rafał Chłodnicki added the comment: In case it makes any difference, my query was prompted by this issue being noticed in Sublime Text editor. Its author bundles Python 3.3 so the bug reproduced there and it took a while to figure out what is the problem. Now that the Sublime Text issue

[issue22733] MSVC ffi_prep_args doesn't handle 64-bit arguments properly

2016-09-15 Thread Rafał Chłodnicki
Rafał Chłodnicki added the comment: Maybe worth backporting to 3.3 and up? Especially if #20160 is to be backported as they seem to be related. -- nosy: +Rafał Chłodnicki ___ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/i

[issue20160] broken ctypes calling convention on MSVC / 64-bit Windows (large structs)

2016-09-15 Thread Rafał Chłodnicki
Rafał Chłodnicki added the comment: Only a part of this fix was backported to 3.3 branch (in http://bugs.python.org/issue20160#msg272059). The other important part was only backported to 3.4 and up in http://bugs.python.org/issue20160#msg230723 . Should this still be fixed? -- nosy