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no_sanitize attribute now supports undefined-behavior sanitizers including
no_sanitize("unsigned-integer-overflow")
,no_sanitize("undefined")
etc.In the current code, running
__attribute__((no_sanitize("unsigned-integer-overflow")))
for ASan, MSan, or TSan is enabled leads to the warnings for attribute ignored. The logic here is hence incorrect. This kind of an attribute should be used only when UBSan is enabled.