[issue26825] Variable defined in exec(code) unreachable inside function call with visible name in dir() results

[ganix]

New submission from ganix:

here is a code show what happend:
>>> def func():
	exec('ans=1')
	print(dir())
	return ans

>>> func()
['ans']
Traceback (most recent call last):
  File "<pyshell#5>", line 1, in <module>
    func()
  File "<pyshell#4>", line 4, in func
    return ans
NameError: name 'ans' is not defined

i tried this code in version 2.7,it is ok

----------
components: Argument Clinic
messages: 263967
nosy: 324857679, larry
priority: normal
severity: normal
status: open
title: Variable defined in exec(code) unreachable inside function call with visible name in dir() results
type: crash
versions: Python 3.4

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue26825>
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