[issue39114] Python 3.9.0a2 changed how finally/return is traced

[Mark Shannon]

Mark Shannon <m...@hotpy.org> added the comment:

With PR 17737 the bytecode is:

  2           0 SETUP_FINALLY           16 (to 18)

  3           2 POP_BLOCK

  5           4 LOAD_GLOBAL              0 (a)
              6 LOAD_METHOD              1 (append)
              8 LOAD_CONST               1 (16)
             10 CALL_METHOD              1
             12 POP_TOP

  3          14 LOAD_CONST               2 (14)
             16 RETURN_VALUE

  5     >>   18 LOAD_GLOBAL              0 (a)
             20 LOAD_METHOD              1 (append)
             22 LOAD_CONST               1 (16)
             24 CALL_METHOD              1
             26 POP_TOP
             28 RERAISE
             30 LOAD_CONST               0 (None)
             32 RETURN_VALUE

----------
keywords:  -patch
stage: patch review -> 

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<https://bugs.python.org/issue39114>
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