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由 Phil Carmody 提交于
The assignment to pos when rb is finally NULL is undefined behaviour. Upon seeing that assignment, GCC may assume that rb is not NULL, and the loop condition ``rb'' may be optimised away. Signed-off-by: NPhil Carmody <ext-phil.2.carmody@nokia.com> Signed-off-by: NArtem Bityutskiy <Artem.Bityutskiy@nokia.com>
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