Author vstinner
Recipients benjamin.peterson, georg.brandl, inada.naoki, serhiy.storchaka, vstinner
Date 2017-02-08.09:35:53
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Message-id <1486546553.58.0.0724240384842.issue29463@psf.upfronthosting.co.za>
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Oops, I spoke too fast :-) "1+1" is not removed.

"1+1" is replaced with "2" by the peephole optimizer, whereas the compiler ignoring constants comes before the peephole optimizer.

One more time, it would be better to implement constant folding at the AST level ;-)

$ python3
Python 3.5.2 (default, Sep 14 2016, 11:28:32) 
>>> def func():
...  "docstring"
...  1+1
... 
>>> import dis
>>> dis.dis(func)
  3           0 LOAD_CONST               3 (2)
              3 POP_TOP
              4 LOAD_CONST               2 (None)
              7 RETURN_VALUE
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Date User Action Args
2017-02-08 09:35:53vstinnersetrecipients: + vstinner, georg.brandl, benjamin.peterson, inada.naoki, serhiy.storchaka
2017-02-08 09:35:53vstinnersetmessageid: <1486546553.58.0.0724240384842.issue29463@psf.upfronthosting.co.za>
2017-02-08 09:35:53vstinnerlinkissue29463 messages
2017-02-08 09:35:53vstinnercreate