[New-bugs-announce] [issue26725] list() destroys map object data

[Steven Reed]

New submission from Steven Reed:

Example repro:

Python 3.5.1 (v3.5.1:37a07cee5969, Dec  6 2015, 01:54:25) [MSC v.1900 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> x=map(bool,[1,0,0,1,1,0])
>>> x
<map object at 0x0000000000AC51D0>
>>> list(x)
[True, False, False, True, True, False]
>>> list(x)
[]
>>> x
<map object at 0x0000000000AC51D0>

----------
components: Library (Lib)
messages: 263111
nosy: Steven Reed
priority: normal
severity: normal
status: open
title: list() destroys map object data
type: behavior
versions: Python 3.5

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue26725>
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