STINNER Victor added the comment:
"""
If shifting right twice (adding parens for clarity):
(LONG_MAX >> PyLong_SHIFT) >> PyLong_SHIFT.
squashes the warnings, that would be a substantially clearer way to express the
intent than the
SIZEOF_LONG*CHAR_BIT-1 >= 2*PyLong_SHIFT
spelling. Adding a comment *explaining* the intent would be even better.
"""
Ok, here is a patch implementing this issue: long_shift_ub.patch.
I'm unable to test it with ICC, but we can try to push it and check on the ICC
buildbots.
----------
keywords: +patch
Added file: http://bugs.python.org/file40503/long_shift_ub.patch
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<http://bugs.python.org/issue24999>
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