Created on 2015-02-16.00:00:00, last changed 2017-02-06.00:00:00.
Notes from the February, 2016 meeting:
CWG felt that a reasonable approach might be to define <<N as equivalent to multiplying by 2N in all cases; see also the resolution of issue 1457. The resolution of this question should also be coordinated with SG6 and SG12, as well as with WG14.
A shift of zero bits should result in the left operand regardless of its sign. However, the current wording of 8.8 [expr.shift] paragraph 2 makes it undefined behavior.
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