Changelog #192

#15308 add platform-specific runnable environment variables.

#15356 fix bad unwrap in eager_macro_recur.

#15357 do not create function-like macro calls with non-fn expanders.

#15271 properly infer types with type casts.

#15360 fix up path fragments upon MBE transcription.

#15353 add manual implementation of clone for tuples in MIR interpreter and fence intrinsics.

#15363 support Self without field in MIR lowering.

#15349 show anonymous FnDef types as function pointers.

#15359 include proc macro server spawn errors in the status text.