[issue35274] Running print("\x98") then freeze in Interpreter

[otst]

New submission from otst <naruseroku.106.sp at gmail.com>:

My environment
OS:Ubuntu18.04(x64)
Python:3.6.6


Run print("\x98") in Python3 interpreter then freeze or slow responsed.

Not problem run print '\x98' in Python 2.7.15rc1.

Also no problem for python3 -c "print('\x98');" and run .py file.

----------
components: Interpreter Core
messages: 330076
nosy: otst
priority: normal
severity: normal
status: open
title: Running print("\x98") then freeze in Interpreter
type: behavior
versions: Python 3.6

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35274>
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