bpo-43754: Eliminate bindings for partial pattern matches (GH-25229)

Doc/library/dis.rst

Include/opcode.h

Lib/importlib/_bootstrap_external.py

Lib/opcode.py

Lib/test/test_patma.py

...ore and Builtins/2021-04-24-16-40-23.bpo-43754.9SzHWG.rst

Python/ceval.c

Python/compile.c

Python/importlib_external.h

Python/opcode_targets.h