Author xiang.zhang
Recipients benjamin.peterson, matejcik, xiang.zhang
Date 2017-01-04.14:31:02
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Message-id <1483540262.63.0.590289499261.issue29145@psf.upfronthosting.co.za>
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> It does, but "-fwrapv" is not automatically added when you specify custom OPT flags.

Indeed I think this is why the changes in #27473 and #1621 make sense.

> GCC 6 optimizes away broken overflow checks.

I am sorry but I don't understand this. What do you mean by broken overflow checks? Is `if (size > PY_SSIZE_T_MAX - vo.len)` broken?
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Date User Action Args
2017-01-04 14:31:02xiang.zhangsetrecipients: + xiang.zhang, matejcik, benjamin.peterson
2017-01-04 14:31:02xiang.zhangsetmessageid: <1483540262.63.0.590289499261.issue29145@psf.upfronthosting.co.za>
2017-01-04 14:31:02xiang.zhanglinkissue29145 messages
2017-01-04 14:31:02xiang.zhangcreate