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Sign up for free See pricing for teams and enterprisesbpo-39320: Handle unpacking of **values in compiler #18141
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Replace two complex bytecodes for building dicts with two simpler ones. | |||
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pablogsal
Jan 23, 2020
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Different paragraphs render badly when joining the NEWS entries, sadly
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bedevere-bot
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Jan 23, 2020
If you want to schedule another build, you need to add the " |
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The failures in |
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OK, merging. |
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News entry found in Misc/NEWS.d
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markshannon commentedJan 23, 2020
•
edited by bedevere-bot
This is the second part of the implementation of bpo-39320.
Part 1 was #17984
This PR replaces BUILD_MAP_UNPACK and BUILD_MAP_UNPACK_WITH_CALL
with DICT_MERGE and DICT_UPDATE.
DICT_UPDATE n
callsitem_n.update(tos)
whereitem_n
is then
th item on the stack andtos
is popped from the stack.DICT_MERGE n
is the same, but raises an exception if there are duplicate keys.https://bugs.python.org/issue39320