3 The tracking issue for this feature is: [#42202]
5 [#42202]: https://github.com/rust-lang/rust/issues/42202
7 ------------------------
9 The MSVC ABI on x86 Windows uses the `thiscall` calling convention for C++
10 instance methods by default; it is identical to the usual (C) calling
11 convention on x86 Windows except that the first parameter of the method,
12 the `this` pointer, is passed in the ECX register.