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bpo-39320: Handle unpacking of *values in compiler (GH-17984)

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* Add three new bytecodes: LIST_TO_TUPLE, LIST_EXTEND, SET_UPDATE. Use them to implement star unpacking expressions.

* Remove four bytecodes BUILD_LIST_UNPACK, BUILD_TUPLE_UNPACK, BUILD_SET_UNPACK and  BUILD_TUPLE_UNPACK_WITH_CALL opcodes as they are now unused.

* Update magic number and dis.rst for new bytecodes.
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Mark Shannon 2020-01-23 09:25:17 +00:00 • committed by GitHub
parent f9e07e116c
commit 13bc13960c
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10 changed files with 2349 additions and 2360 deletions
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4
Lib/test/test_extcall.py
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@ -252,12 +252,12 @@ What about willful misconduct?
>>> h(1, *h)
Traceback (most recent call last):
...
TypeError: test.test_extcall.h() argument after * must be an iterable, not function
TypeError: Value after * must be an iterable, not function
>>> h(*[1], *h)
Traceback (most recent call last):
...
TypeError: test.test_extcall.h() argument after * must be an iterable, not function
TypeError: Value after * must be an iterable, not function
>>> dir(*h)
Traceback (most recent call last):