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On 2/6/19 1:37 PM, Joseph Myers wrote:
One group of warnings seen with -Wextra is "left shift of negative value [-Wshift-negative-value]".
This group of warnings is make-work, right? Glibc assumes GCC, and in GCC the left shift of a negative value is well-defined unless it overflows (which can't happen in this case). So I suggest that we add -Wno-shift-negative-value to CFLAGS instead of worrying about pacifying the compiler by munging the source code.
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