Experiment using clang-cl with MSVC

[ekrich]

This just hacks the tools but could be a configuration when having a target triple env of msvc.

[ekrich]

See https://clang.llvm.org/docs/UsersManual.html#clang-cl

Also see This #3076

I tried hacking the build to compile using clang-cl which seems to be recommended for MSVC but I end up with the following. See PR branch #3882

[info] Dumping intermediate code (lowered) (1159 ms)
[error] C:/Users/<user>/workspace/scala-native/sandbox/.2.13/target/scala-2.13/native/dependencies/nativelib_native0.5.0-SNAPSHOT_2.13-0.5.0-SNAPSHOT-0/scala-native/eh.cpp(19,37): error: cannot use 'throw' with exceptions disabled        
[error]    19 | void scalanative_throw(void *obj) { throw scalanative::ExceptionWrapper(obj); }
[error]       |                                     ^
[error] 1 error generated.
[info] Produced 40 LLVM IR files
[info] Generating intermediate code (with debug metadata) (225945 ms)
[info] Compiling to native code (205032 ms)
[info] Total (245084 ms)