[cherry-pick][-Wunsafe-buffer-usage] A new warning for uses of std::span two-param constructors (#77148) #8073
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Constructing
std::span
objects with the two parameter constructors could introduce mismatched bounds information, which defeats the purpose of usingstd::span
. Therefore, we warn every use of such constructors.rdar://115817781
(cherry picked from commit 9816863)