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731dbfc3f3
It seemed strange to me to warn about sign conversion in unsafe_conversion_p, when other warnings are in conversion_warning, and the latter function is the only place that asks the former function to warn. This change is also necessary for my -Warith-conversion patch. * c-common.c (unsafe_conversion_p): Don't warn, return UNSAFE_SIGN. * c-warn.c (conversion_warning): Warn about UNSAFE_SIGN.
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