gh-140513: Fail to compile if `_Py_TAIL_CALL_INTERP` is set but `preserve_none` and `musttail` do not exist. by XChaitanyaX · Pull Request #140548 · python/cpython

…preserve_none and musttail do not exist (GH-140548) (#140923)

gh-140513: Fail to compile if `_Py_TAIL_CALL_INTERP` is set but `preserve_none` and `musttail` do not exist. (GH-140548)


(cherry picked from commit 2f60b8f)

Co-authored-by: Krishna Chaitanya <141550576+XChaitanyaX@users.noreply.github.com>

…ds on Windows (#148036)

Rather than failing late when compiling e.g. a debug configuration
```
build.bat -c debug --tail-call-interp
```
with hundreds of
```
error C4737: Unable to perform required tail call. Performance may be degraded.
```
-- fail early with an explicit error message for configurations that are not supported by MSVC.

This is a follow-up on #140513 / #140548

…C builds on Windows (python#148036)

Rather than failing late when compiling e.g. a debug configuration
```
build.bat -c debug --tail-call-interp
```
with hundreds of
```
error C4737: Unable to perform required tail call. Performance may be degraded.
```
-- fail early with an explicit error message for configurations that are not supported by MSVC.

This is a follow-up on python#140513 / python#140548